-
IEEE Standard for Ethernet
SECTION SIX
This section includes Clause 78 through Clause 95 and Annex 83A
through Annex 93C.
Contents
78. Energy-Efficient Ethernet (EEE)
..........................................................................................................
32
78.1
Overview.....................................................................................................................................
3278.1.1 LPI Signaling
......................................................................................................................
32
78.1.1.1 Reconciliation sublayer service
interfaces................................................................
3378.1.1.2 Responsibilities of LPI
Client...................................................................................
33
78.1.2 LPI Client service interface
................................................................................................
3378.1.2.1 LP_IDLE.request
......................................................................................................
34
78.1.2.1.1 Function
..........................................................................................................
3478.1.2.1.2 Semantics of the service
primitive..................................................................
3478.1.2.1.3 When generated
..............................................................................................
3478.1.2.1.4 Effect of receipt
..............................................................................................
34
78.1.2.2
LP_IDLE.indication..................................................................................................
3478.1.2.2.1 Function
..........................................................................................................
3478.1.2.2.2 Semantics of the service
primitive..................................................................
3478.1.2.2.3 When generated
..............................................................................................
3478.1.2.2.4 Effect of receipt
..............................................................................................
35
78.1.3 Reconciliation sublayer operation
......................................................................................
3578.1.3.1 RS LPI assert function
..............................................................................................
3578.1.3.2 LPI detect
function....................................................................................................
3678.1.3.3 PHY LPI operation
...................................................................................................
36
78.1.3.3.1 PHY LPI transmit operation
...........................................................................
36
1Copyright © 2015 IEEE. All rights reserved.
-
78.1.3.3.2 PHY LPI receive
operation.............................................................................
3778.1.4 PHY types optionally supporting EEE
...............................................................................
38
78.2 LPI mode timing parameters
description....................................................................................
3978.3 Capabilities Negotiation
.............................................................................................................
4078.4 Data Link Layer Capabilities
......................................................................................................
40
78.4.1 Data Link Layer capabilities timing requirements
.............................................................
4178.4.2 Control state diagrams
........................................................................................................
42
78.4.2.1 Conventions
..............................................................................................................
4278.4.2.2
Constants...................................................................................................................
4278.4.2.3 Variables
...................................................................................................................
4278.4.2.4
Functions...................................................................................................................
4678.4.2.5 State
diagrams...........................................................................................................
46
78.4.3 State change procedure across a link
..................................................................................
5078.4.3.1 Transmitting link partner’s state change procedure
across a link............................. 5178.4.3.2 Receiving
link partner’s state change procedure across a link
................................. 52
78.5 Communication link access
latency............................................................................................
5378.5.1 10 Gb/s PHY extension using XGXS
.................................................................................
5578.5.2 40 Gb/s and 100 Gb/s PHY extension using XLAUI or
CAUI-n....................................... 55
78.6 Protocol implementation conformance statement (PICS)
proforma for EEE Data Link Layer Capabilities
.......................................................................................................................
56
78.6.1
Introduction.........................................................................................................................
5678.6.2 Identification
.......................................................................................................................
56
78.6.2.1 Implementation
identification...................................................................................
5678.6.2.2 Protocol summary
.....................................................................................................
56
78.6.3 Major
capabilities/options...................................................................................................
5778.6.4 DLL
requirements...............................................................................................................
57
79. IEEE 802.3 Organizationally Specific Link Layer Discovery
Protocol (LLDP) type, length, and value (TLV) information elements
.......................................................................................................
58
79.1
Overview.....................................................................................................................................
5879.1.1 IEEE 802.3 LLDP frame
format.........................................................................................
58
79.1.1.1 Destination Address
field..........................................................................................
5979.1.1.2 Source Address field
.................................................................................................
5979.1.1.3 Length/Type field
.....................................................................................................
5979.1.1.4 LLDPDU field
..........................................................................................................
5979.1.1.5 Pad field
....................................................................................................................
5979.1.1.6 Frame Check Sequence field
....................................................................................
59
79.2 Requirements of the IEEE 802.3 Organizationally Specific
TLV set ........................................ 5979.3 IEEE 802.3
Organizationally Specific TLVs
.............................................................................
60
79.3.1 MAC/PHY Configuration/Status TLV
...............................................................................
6079.3.1.1 Auto-negotiation support/status
................................................................................
6079.3.1.2 PMD auto-negotiation advertised capability field
.................................................... 6079.3.1.3
Operational MAU type
............................................................................................
6179.3.1.4 MAC/PHY Configuration/Status TLV usage rules
.................................................. 61
79.3.2 Power Via MDI
TLV..........................................................................................................
6179.3.2.1 MDI power
support...................................................................................................
6279.3.2.2 PSE power pair
.........................................................................................................
6279.3.2.3 Power class
...............................................................................................................
6279.3.2.4 Requested power type/source/priority
......................................................................
62
79.3.2.4.1 Power type
......................................................................................................
6279.3.2.4.2 Power
source...................................................................................................
6379.3.2.4.3 Power priority
.................................................................................................
63
79.3.2.5 PD requested power value
........................................................................................
63
2Copyright © 2015 IEEE. All rights reserved.
-
79.3.2.6 PSE allocated power value
.......................................................................................
6479.3.2.7 Power Via MDI TLV usage rules
.............................................................................
64
79.3.3 Link Aggregation TLV (deprecated)
..................................................................................
6479.3.3.1 Aggregation status
....................................................................................................
6579.3.3.2 Aggregated port ID
...................................................................................................
6579.3.3.3 Link Aggregation TLV usage rules
..........................................................................
65
79.3.4 Maximum Frame Size
TLV................................................................................................
6579.3.4.1 Maximum frame size
................................................................................................
6679.3.4.2 Maximum Frame Size TLV usage rules
...................................................................
66
79.3.5 EEE TLV
............................................................................................................................
6779.3.5.1 Transmit
Tw..............................................................................................................
6779.3.5.2 Receive Tw
...............................................................................................................
6779.3.5.3 Fallback Tw
..............................................................................................................
6779.3.5.4 Echo Transmit and Receive
Tw................................................................................
6879.3.5.5 EEE TLV usage rules
...............................................................................................
68
79.3.6 EEE Fast Wake TLV
..........................................................................................................
6879.3.6.1 Transmit fast
wake....................................................................................................
6879.3.6.2 Receive fast wake
.....................................................................................................
6879.3.6.3 Echo of Transmit fast wake and Receive fast wake
................................................. 6979.3.6.4 EEE
Fast Wake TLV usage rules
.............................................................................
69
79.4 IEEE 802.3 Organizationally Specific TLV selection
management .......................................... 6979.4.1 IEEE
802.3 Organizationally Specific TLV selection variable/LLDP
Configuration
managed object class cross reference
.................................................................................
6979.4.2 IEEE 802.3 Organizationally Specific TLV/LLDP Local and
Remote System group
managed object class cross
references................................................................................
6979.5 Protocol implementation conformance statement (PICS)
proforma for IEEE 802.3
Organizationally Specific Link Layer Discovery Protocol (LLDP)
type, length, and value (TLV) information elements
.......................................................................................................
72
79.5.1
Introduction.........................................................................................................................
7279.5.2 Identification
.......................................................................................................................
72
79.5.2.1 Implementation
identification...................................................................................
7279.5.2.2 Protocol summary
.....................................................................................................
72
79.5.3 Major
capabilities/options...................................................................................................
7379.5.4 IEEE 802.3 Organizationally Specific TLV
.......................................................................
7379.5.5 MAC/PHY Configuration/Status TLV
...............................................................................
7479.5.6 EEE TLV
............................................................................................................................
7479.5.7 EEE Fast Wake TLV
..........................................................................................................
7579.5.8 Power Via MDI
TLV..........................................................................................................
7579.5.9 Link Aggregation TLV
.......................................................................................................
7679.5.10 Maximum Frame Size
TLV................................................................................................
76
80. Introduction to 40 Gb/s and 100 Gb/s networks
...................................................................................
77
80.1
Overview.....................................................................................................................................
7780.1.1
Scope...................................................................................................................................
7780.1.2 Objectives
...........................................................................................................................
7780.1.3 Relationship of 40 Gigabit and 100 Gigabit Ethernet to the
ISO OSI reference
model
..................................................................................................................................
7780.1.4
Nomenclature......................................................................................................................
7880.1.5 Physical Layer signaling systems
.......................................................................................
80
80.2 Summary of 40 Gigabit and 100 Gigabit Ethernet sublayers
..................................................... 8180.2.1
Reconciliation Sublayer (RS) and Media Independent Interface
....................................... 8180.2.2 Physical Coding
Sublayer (PCS)
........................................................................................
8180.2.3 Forward Error Correction (FEC) sublayers
........................................................................
81
3Copyright © 2015 IEEE. All rights reserved.
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80.2.4 Physical Medium Attachment (PMA)
sublayer..................................................................
8280.2.5 Physical Medium Dependent (PMD) sublayer
...................................................................
8280.2.6 Auto-Negotiation
................................................................................................................
8280.2.7 Management interface (MDIO/MDC)
................................................................................
8280.2.8
Management........................................................................................................................
82
80.3 Service interface specification method and notation
..................................................................
8280.3.1 Inter-sublayer service
interface...........................................................................................
8380.3.2 Instances of the Inter-sublayer service
interface.................................................................
8380.3.3 Semantics of inter-sublayer service interface primitives
.................................................... 84
80.3.3.1
IS_UNITDATA_i.request.........................................................................................
8480.3.3.1.1 Semantics of the service
primitive..................................................................
8480.3.3.1.2 When generated
..............................................................................................
8480.3.3.1.3 Effect of receipt
..............................................................................................
84
80.3.3.2 IS_UNITDATA_i.indication
....................................................................................
8480.3.3.2.1 Semantics of the service
primitive..................................................................
8980.3.3.2.2 When generated
..............................................................................................
8980.3.3.2.3 Effect of receipt
..............................................................................................
89
80.3.3.3 IS_SIGNAL.indication
.............................................................................................
8980.3.3.3.1 Semantics of the service
primitive..................................................................
8980.3.3.3.2 When generated
..............................................................................................
8980.3.3.3.3 Effect of receipt
..............................................................................................
89
80.3.3.4 IS_TX_MODE.request
.............................................................................................
8980.3.3.4.1 Semantics of the service
primitive..................................................................
9080.3.3.4.2 When generated
..............................................................................................
9080.3.3.4.3 Effect of receipt
..............................................................................................
90
80.3.3.5 IS_RX_MODE.request
.............................................................................................
9080.3.3.5.1 Semantics of the service
primitive..................................................................
9080.3.3.5.2 When generated
..............................................................................................
9080.3.3.5.3 Effect of receipt
..............................................................................................
90
80.3.3.6 IS_RX_LPI_ACTIVE.request
..................................................................................
9080.3.3.6.1 Semantics of the service
primitive..................................................................
9080.3.3.6.2 When generated
..............................................................................................
9180.3.3.6.3 Effect of receipt
..............................................................................................
91
80.3.3.7 IS_ENERGY_DETECT.indication
..........................................................................
9180.3.3.7.1 Semantics of the service
primitive..................................................................
9180.3.3.7.2 When generated
..............................................................................................
9180.3.3.7.3 Effect of receipt
..............................................................................................
91
80.3.3.8 IS_RX_TX_MODE.indication
.................................................................................
9180.3.3.8.1 Semantics of the service
primitive..................................................................
9180.3.3.8.2 When generated
..............................................................................................
9180.3.3.8.3 Effect of receipt
..............................................................................................
91
80.4 Delay
constraints.........................................................................................................................
9280.5 Skew constraints
.........................................................................................................................
9280.6 State
diagrams.............................................................................................................................
9980.7 Protocol implementation conformance statement (PICS)
proforma........................................... 99
81. Reconciliation Sublayer (RS) and Media Independent Interface
for 40 Gb/s and 100 Gb/s operation (XLGMII and
CGMII)........................................................................................................
100
81.1
Overview...................................................................................................................................
10081.1.1 Summary of major concepts
.............................................................................................
10181.1.2
Application........................................................................................................................
10181.1.3 Rate of
operation...............................................................................................................
10181.1.4 Delay
constraints...............................................................................................................
101
4Copyright © 2015 IEEE. All rights reserved.
-
81.1.5 Allocation of functions
.....................................................................................................
10281.1.6 XLGMII/CGMII structure
................................................................................................
10281.1.7 Mapping of XLGMII/CGMII signals to PLS service
primitives...................................... 103
81.1.7.1 Mapping of PLS_DATA.request
............................................................................
10381.1.7.1.1 Function
.......................................................................................................
10381.1.7.1.2 Semantics of the service
primitive................................................................
10381.1.7.1.3 When generated
............................................................................................
10381.1.7.1.4 Effect of receipt
............................................................................................
103
81.1.7.2 Mapping of
PLS_DATA.indication........................................................................
10481.1.7.2.1 Function
.......................................................................................................
10481.1.7.2.2 Semantics of the service
primitive...............................................................
10481.1.7.2.3 When generated
............................................................................................
10481.1.7.2.4 Effect of receipt
............................................................................................
104
81.1.7.3 Mapping of PLS_CARRIER.indication
.................................................................
10481.1.7.4 Mapping of PLS_SIGNAL.indication
....................................................................
10481.1.7.5 Mapping of PLS_DATA_VALID.indication
......................................................... 105
81.1.7.5.1 Function
.......................................................................................................
10581.1.7.5.2 Semantics of the service
primitive................................................................
10581.1.7.5.3 When generated
............................................................................................
10581.1.7.5.4 Effect of receipt
............................................................................................
105
81.2 XLGMII/CGMII data
stream....................................................................................................
10581.2.1 Inter-frame
.................................................................................................
10681.2.2 Preamble and start of frame delimiter
................................................ 10681.2.3 Data
.......................................................................................................................
10781.2.4 End of frame delimiter
...........................................................................................
10781.2.5 Definition of Start of Packet and End of Packet
Delimiters ............................................. 107
81.3 XLGMII/CGMII functional specifications
...............................................................................
10781.3.1 Transmit
............................................................................................................................
107
81.3.1.1 TX_CLK
.................................................................................................................
10781.3.1.2 TXC (transmit
control)..................................................................................
10881.3.1.3 TXD (transmit data)
....................................................................................
10881.3.1.4 Start control character alignment
............................................................................
11081.3.1.5 Transmit direction LPI
transition............................................................................
111
81.3.2
Receive..............................................................................................................................
11181.3.2.1 RX_CLK (receive clock)
........................................................................................
11181.3.2.2 RXC (receive control)
...................................................................................
11281.3.2.3 RXD (receive data)
.................................................................................................
11381.3.2.4 Receive direction LPI transition
.............................................................................
114
81.3.3 Error and fault handling
....................................................................................................
11581.3.3.1 Response to error indications by the XLGMII/CGMII
.......................................... 11581.3.3.2 Conditions
for generation of transmit Error control characters
............................. 11581.3.3.3 Response to received
invalid frame
sequences.......................................................
115
81.3.4 Link fault
signaling...........................................................................................................
11681.3.4.1 Variables and
counters............................................................................................
11681.3.4.2 State diagram
..........................................................................................................
117
81.4 LPI assertion and
detection.......................................................................................................
11781.4.1 LPI messages
....................................................................................................................
11981.4.2 Transmit LPI state
diagram...............................................................................................
119
81.4.2.1 Variables and
counters............................................................................................
11981.4.2.2 State Diagram
.........................................................................................................
120
81.4.3 Considerations for transmit system
behavior....................................................................
12081.4.4 Considerations for receive system behavior
.....................................................................
121
81.5 Protocol implementation conformance statement (PICS)
proforma for Clause 81, Reconciliation Sublayer (RS) and Media
Independent Interface for 40 Gb/s and 100 Gb/s
5Copyright © 2015 IEEE. All rights reserved.
-
operation
...................................................................................................................................
12281.5.1
Introduction.......................................................................................................................
12281.5.2 Identification
.....................................................................................................................
122
81.5.2.1 Implementation
identification................................................................................
12281.5.2.2 Protocol summary
...................................................................................................
12281.5.2.3 Major capabilities/options
......................................................................................
123
81.5.3 PICS proforma tables for Reconciliation Sublayer and
Media Independent Interface for 40 Gb/s and 100 Gb/s
operation..................................................................................
123
81.5.3.1 General
...................................................................................................................
12381.5.3.2 Mapping of PLS service primitives
........................................................................
12481.5.3.3 Data stream structure
..............................................................................................
12581.5.3.4 XLGMII/CGMII signal functional specifications
.................................................. 12581.5.3.5 Link
fault signaling state diagram
.........................................................................
12681.5.3.6 LPI
functions...........................................................................................................
126
82. Physical Coding Sublayer (PCS) for 64B/66B, type 40GBASE-R
and 100GBASE-R ..................... 127
82.1
Overview...................................................................................................................................
12782.1.1
Scope.................................................................................................................................
12782.1.2 Relationship of 40GBASE-R and 100GBASE-R to other
standards ............................... 12782.1.3 Summary of
40GBASE-R and 100GBASE-R sublayers
................................................. 128
82.1.3.1 Physical Coding Sublayer (PCS)
............................................................................
12882.1.4 Inter-sublayer interfaces
...................................................................................................
129
82.1.4.1 PCS service interface (XLGMII/CGMII)
...............................................................
12982.1.4.2 Physical Medium Attachment (PMA) or Forward Error
Correction (FEC)
service interface
......................................................................................................
12982.1.5 Functional block diagram
.................................................................................................
130
82.2 Physical Coding Sublayer (PCS)
..............................................................................................
13182.2.1 Functions within the PCS
.................................................................................................
13182.2.2 Use of blocks
....................................................................................................................
13282.2.3 64B/66B transmission code
..............................................................................................
132
82.2.3.1 Notation conventions
..............................................................................................
13282.2.3.2 Transmission order
.................................................................................................
13382.2.3.3 Block structure
........................................................................................................
13382.2.3.4 Control codes
..........................................................................................................
13682.2.3.5 Valid and invalid blocks
.........................................................................................
13782.2.3.6 Idle (/I/)
...................................................................................................................
13782.2.3.7 Start
(/S/).................................................................................................................
13882.2.3.8 Terminate
(/T/)........................................................................................................
13882.2.3.9 ordered set (/O/)
......................................................................................................
13882.2.3.10 Error
(/E/)................................................................................................................
138
82.2.4 Transmit process
...............................................................................................................
13882.2.5 Scrambler
..........................................................................................................................
13982.2.6 Block distribution
.............................................................................................................
13982.2.7 Alignment marker insertion
..............................................................................................
13982.2.8 BIP calculations
................................................................................................................
14282.2.9 Rapid alignment marker
insertion.....................................................................................
14282.2.10 PMA or FEC Interface
......................................................................................................
14482.2.11 Test-pattern generators
.....................................................................................................
14582.2.12 Block synchronization
......................................................................................................
14582.2.13 PCS lane
deskew...............................................................................................................
14582.2.14 PCS lane reorder
...............................................................................................................
14682.2.15 Alignment marker removal
...............................................................................................
14682.2.16 Descrambler
......................................................................................................................
146
6Copyright © 2015 IEEE. All rights reserved.
-
82.2.17 Receive
process.................................................................................................................
14682.2.18 Test-pattern
checker..........................................................................................................
14782.2.19 Detailed functions and state diagrams
..............................................................................
147
82.2.19.1 State diagram conventions
......................................................................................
14782.2.19.2 State variables
.........................................................................................................
147
82.2.19.2.1
Constants.......................................................................................................
14782.2.19.2.2 Variables
.......................................................................................................
14882.2.19.2.3
Functions.......................................................................................................
15182.2.19.2.4 Counters
........................................................................................................
15282.2.19.2.5 Timers
...........................................................................................................
153
82.2.19.3 State
diagrams.........................................................................................................
15482.2.19.3.1 LPI state diagrams
........................................................................................
154
82.3 PCS Management
.....................................................................................................................
15582.3.1 PMD MDIO function
mapping.........................................................................................
155
82.4 Loopback
..................................................................................................................................
15782.5 Delay
constraints.......................................................................................................................
15782.6 Auto-Negotiation
......................................................................................................................
15782.7 Protocol implementation conformance statement (PICS)
proforma for Clause 82, Physical
Coding Sublayer (PCS) for 64B/66B, type 40GBASE-R and
100GBASE-R.......................... 16682.7.1
Introduction.......................................................................................................................
16682.7.2 Identification
.....................................................................................................................
166
82.7.2.1 Implementation
identification.................................................................................
16682.7.2.2 Protocol summary
...................................................................................................
166
82.7.3 Major
capabilities/options.................................................................................................
16782.7.4 PICS Proforma Tables for PCS, type 40GBASE-R and
100GBASE-R........................... 168
82.7.4.1 Coding rules
............................................................................................................
16882.7.4.2 Scrambler and
Descrambler....................................................................................
16882.7.4.3 Deskew and
Reordering..........................................................................................
16882.7.4.4 Alignment Markers
.................................................................................................
169
82.7.5 Test-pattern
modes............................................................................................................
16982.7.5.1 Bit order
..................................................................................................................
169
82.7.6
Management......................................................................................................................
16982.7.6.1 State
diagrams.........................................................................................................
17082.7.6.2 Loopback
...............................................................................................................
17182.7.6.3 Delay
constraints.....................................................................................................
17182.7.6.4 Auto-Negotiation for Backplane Ethernet functions
............................................. 17182.7.6.5 LPI
functions...........................................................................................................
172
83. Physical Medium Attachment (PMA) sublayer, type 40GBASE-R
and 100GBASE-R.................... 173
83.1
Overview...................................................................................................................................
17383.1.1
Scope.................................................................................................................................
17383.1.2 Position of the PMA in the 40GBASE-R or 100GBASE-R
sublayers............................. 17383.1.3 Summary of
functions.......................................................................................................
17383.1.4 PMA sublayer positioning
................................................................................................
173
83.2 PMA interfaces
.........................................................................................................................
17683.3 PMA service interface
..............................................................................................................
17683.4 Service interface below PMA
...................................................................................................
17983.5 Functions within the
PMA........................................................................................................
180
83.5.1 Per input-lane clock and data
recovery.............................................................................
18083.5.2 Bit-level multiplexing
.......................................................................................................
18083.5.3 Skew and Skew
Variation.................................................................................................
182
83.5.3.1 Skew generation toward SP0
..................................................................................
18283.5.3.2 Skew generation toward SP1
..................................................................................
182
7Copyright © 2015 IEEE. All rights reserved.
-
83.5.3.3 Skew tolerance at
SP1.............................................................................................
18283.5.3.4 Skew generation toward SP2
..................................................................................
18283.5.3.5 Skew tolerance at
SP5.............................................................................................
18283.5.3.6 Skew generation at SP6
..........................................................................................
18283.5.3.7 Skew tolerance at
SP6.............................................................................................
18383.5.3.8 Skew generation toward SP7
..................................................................................
183
83.5.4 Delay
constraints...............................................................................................................
18383.5.5 Clocking architecture
........................................................................................................
18383.5.6 Signal drivers
....................................................................................................................
18483.5.7 Link
status.........................................................................................................................
18483.5.8 PMA local loopback mode
...............................................................................................
18483.5.9 PMA remote loopback mode (optional)
...........................................................................
18483.5.10 PMA test patterns
(optional).............................................................................................
18583.5.11 Energy Efficient Ethernet
.................................................................................................
187
83.5.11.1 PMA quiet and alert
signals....................................................................................
18783.5.11.2 Detection of PMA quiet and alert signals
...............................................................
18783.5.11.3 Additional transmit functions in the Tx
direction...................................................
18883.5.11.4 Additional receive functions in the Tx direction
.................................................... 18983.5.11.5
Additional transmit functions in the Rx direction
.................................................. 18983.5.11.6
Additional receive functions in the Rx direction
.................................................... 19083.5.11.7
Support for BASE-R
FEC.......................................................................................
190
83.6 PMA MDIO function
mapping.................................................................................................
19083.7 Protocol implementation conformance statement (PICS)
proforma for Clause 83, Physical
Medium Attachment (PMA) sublayer, type 40GBASE-R and 100GBASE-R
........................ 19483.7.1
Introduction.......................................................................................................................
19483.7.2 Identification
.....................................................................................................................
194
83.7.2.1 Implementation
identification.................................................................................
19483.7.2.2 Protocol summary
...................................................................................................
194
83.7.3 Major
capabilities/options.................................................................................................
19583.7.4 Skew generation and tolerance
.........................................................................................
19783.7.5 Test patterns
......................................................................................................................
19783.7.6 Loopback modes
...............................................................................................................
19883.7.7 EEE deep sleep with
XLAUI/CAUI.................................................................................
198
84. Physical Medium Dependent sublayer and baseband medium, type
40GBASE-KR4...................... 199
84.1
Overview...................................................................................................................................
19984.2 Physical Medium Dependent (PMD) service interface
............................................................
19984.3 PCS requirements for Auto-Negotiation (AN) service
interface.............................................. 20184.4
Delay
constraints.......................................................................................................................
20184.5 Skew constraints
.......................................................................................................................
20184.6 PMD MDIO function
mapping.................................................................................................
20284.7 PMD functional
specifications..................................................................................................
203
84.7.1 Link block
diagram...........................................................................................................
20384.7.2 PMD transmit function
.....................................................................................................
20384.7.3 PMD receive function
.......................................................................................................
20384.7.4 Global PMD signal detect function
..................................................................................
20484.7.5 PMD lane-by-lane signal detect function
.........................................................................
20484.7.6 Global PMD transmit disable function
.............................................................................
20484.7.7 PMD lane-by-lane transmit disable function
....................................................................
20584.7.8 Loopback
mode.................................................................................................................
20584.7.9 PMD_fault function
..........................................................................................................
20584.7.10 PMD transmit fault function
.............................................................................................
20584.7.11 PMD receive fault
function...............................................................................................
205
8Copyright © 2015 IEEE. All rights reserved.
-
84.7.12 PMD control function
.......................................................................................................
20684.8 40GBASE-KR4 electrical characteristics
.................................................................................
206
84.8.1 Transmitter characteristics
................................................................................................
20684.8.1.1 Test fixture
..............................................................................................................
206
84.8.2 Receiver characteristics
....................................................................................................
20684.8.2.1 Receiver interference tolerance
..............................................................................
206
84.9 Interconnect
characteristics.......................................................................................................
20684.10 Environmental
specifications....................................................................................................
206
84.10.1 General safety
...................................................................................................................
20684.10.2 Network safety
..................................................................................................................
20784.10.3 Installation and maintenance guidelines
...........................................................................
20784.10.4 Electromagnetic compatibility
..........................................................................................
20784.10.5 Temperature and
humidity................................................................................................
207
84.11 Protocol implementation conformance statement (PICS)
proforma for Clause 84, Physical Medium Dependent sublayer and
baseband medium, type 40GBASE-KR4 ...........................
208
84.11.1
Introduction.......................................................................................................................
20884.11.2 Identification
.....................................................................................................................
208
84.11.2.1 Implementation
identification................................................................................
20884.11.2.2 Protocol summary
...................................................................................................
208
84.11.3 Major
capabilities/options.................................................................................................
20984.11.4 PICS proforma tables for Clause 84, Physical Medium
Dependent (PMD) sublayer
and baseband medium, type
40GBASE-KR4...................................................................
21084.11.4.1 PMD functional
specifications................................................................................
21084.11.4.2 Management
functions............................................................................................
21184.11.4.3 Transmitter electrical characteristics
......................................................................
21184.11.4.4 Receiver electrical
characteristics...........................................................................
21284.11.4.5 Environmental
specifications..................................................................................
212
85. Physical Medium Dependent sublayer and baseband medium, type
40GBASE-CR4 and
100GBASE-CR10...............................................................................................................................
213
85.1
Overview...................................................................................................................................
21385.2 Physical Medium Dependent (PMD) service interface
............................................................
21485.3 PCS requirements for Auto-Negotiation (AN) service
interface.............................................. 21585.4
Delay
constraints.......................................................................................................................
21585.5 Skew constraints
.......................................................................................................................
21685.6 PMD MDIO function
mapping.................................................................................................
21685.7 PMD functional
specifications..................................................................................................
218
85.7.1 Link block
diagram...........................................................................................................
21885.7.2 PMD Transmit function
....................................................................................................
22085.7.3 PMD Receive
function......................................................................................................
22085.7.4 Global PMD signal detect function
..................................................................................
22085.7.5 PMD lane-by-lane signal detect function
.........................................................................
22185.7.6 Global PMD transmit disable function
.............................................................................
22185.7.7 PMD lane-by-lane transmit disable function
....................................................................
22185.7.8 Loopback
mode.................................................................................................................
22185.7.9 PMD_fault function
..........................................................................................................
22285.7.10 PMD transmit fault function
.............................................................................................
22285.7.11 PMD receive fault
function...............................................................................................
22285.7.12 PMD control function
.......................................................................................................
222
85.8 MDI Electrical specifications for 40GBASE-CR4 and
100GBASE-CR10 ............................. 22285.8.1 Signal levels
......................................................................................................................
22285.8.2 Signal
paths.......................................................................................................................
22385.8.3 Transmitter characteristics
................................................................................................
223
9Copyright © 2015 IEEE. All rights reserved.
-
85.8.3.1 Transmitter differential output return loss
..............................................................
22485.8.3.2 Transmitter noise parameter measurements
...........................................................
22485.8.3.3 Transmitter output waveform
.................................................................................
225
85.8.3.3.1 Coefficient initialization
...............................................................................
22785.8.3.3.2 Coefficient step
size......................................................................................
22785.8.3.3.3 Coefficient
range...........................................................................................
22785.8.3.3.4 Waveform
acquisition...................................................................................
22785.8.3.3.5 Linear fit to the waveform measurement at TP2
.......................................... 22785.8.3.3.6 Transfer
function between the transmit function and TP2
........................... 228
85.8.3.4 Insertion loss TP0 to TP2 or TP3 to
TP5................................................................
22985.8.3.5 Test fixture
..............................................................................................................
23085.8.3.6 Test fixture
impedance............................................................................................
23185.8.3.7 Test fixture insertion
loss........................................................................................
23185.8.3.8 Data dependent jitter (DDJ)
....................................................................................
23185.8.3.9 Signaling rate range
................................................................................................
231
85.8.4 Receiver characteristics at TP3
summary.........................................................................
23285.8.4.1 Receiver differential input return loss
....................................................................
23285.8.4.2 Receiver interference tolerance test
........................................................................
233
85.8.4.2.1 Test setup
......................................................................................................
23385.8.4.2.2 Test channel
..................................................................................................
23485.8.4.2.3 Test channel calibration
................................................................................
23485.8.4.2.4 Pattern generator
...........................................................................................
23585.8.4.2.5 Test
procedure...............................................................................................
235
85.8.4.3 Bit error ratio
..........................................................................................................
23585.8.4.4 Signaling rate range
................................................................................................
23585.8.4.5
AC-coupling............................................................................................................
235
85.9 Channel characteristics
.............................................................................................................
23685.10 Cable assembly characteristics
.................................................................................................
236
85.10.1 Characteristic impedance and reference impedance
.........................................................
23685.10.2 Cable assembly insertion loss
...........................................................................................
23685.10.3 Cable assembly insertion loss deviation
(ILD).................................................................
23885.10.4 Cable assembly return loss
...............................................................................................
23985.10.5 Cable assembly multiple disturber near-end crosstalk
(MDNEXT) loss ......................... 24085.10.6 Cable assembly
multiple disturber far-end crosstalk (MDFEXT)
loss............................. 24085.10.7 Cable assembly
integrated crosstalk noise (ICN)
.............................................................
24185.10.8 Cable assembly test fixture
...............................................................................................
24385.10.9 Mated test fixtures
............................................................................................................
243
85.10.9.1 Mated test fixtures insertion loss
............................................................................
24485.10.9.2 Mated test fixtures return
loss.................................................................................
24485.10.9.3 Mated test fixtures common-mode conversion loss
............................................... 24585.10.9.4 Mated
test fixtures integrated crosstalk
noise.........................................................
246
85.10.10Shielding
...........................................................................................................................
24685.10.11Crossover function
............................................................................................................
246
85.11 MDI specification
.....................................................................................................................
24785.11.1 40GBASE-CR4 MDI
connectors......................................................................................
247
85.11.1.1 Style-1 40GBASE-CR4 MDI connectors
...............................................................
24785.11.1.1.1 Style-1 AC-coupling
.....................................................................................
248
85.11.1.2 Style-2 40GBASE-CR4 MDI connectors
...............................................................
24985.11.1.2.1 Style-2 40GBASE-CR4 Connector pin
assignments.................................... 249
85.11.2 100GBASE-CR10 MDI
connectors..................................................................................
25085.11.2.1 100GBASE-CR10 MDI AC-coupling
....................................................................
252
85.11.3 Electronic keying
..............................................................................................................
25285.12 Environmental
specifications....................................................................................................
25285.13 Protocol implementation conformance statement (PICS)
proforma for Clause 85, Physical
10Copyright © 2015 IEEE. All rights reserved.
-
Medium Dependent (PMD) sublayer and baseband medium, type
40GBASE-CR4 and
100GBASE-CR10.....................................................................................................................
253
85.13.1
Introduction.......................................................................................................................
25385.13.2 Identification
.....................................................................................................................
253
85.13.2.1 Implementation
identification.................................................................................
25385.13.2.2 Protocol summary
...................................................................................................
253
85.13.3 Major
capabilities/options.................................................................................................
25485.13.4 PICS proforma tables for Physical Medium Dependent (PMD)
sublayer and
baseband medium, type 40GBASE-CR4 and 100GBASE-CR10
.................................... 25585.13.4.1 PMD functional
specifications
...............................................................................
25585.13.4.2 Management
functions............................................................................................
25685.13.4.3 Transmitter specifications
......................................................................................
25785.13.4.4 Receiver specifications
..........................................................................................
25785.13.4.5 Cable assembly specifications
...............................................................................
25885.13.4.6 MDI connector specifications
.................................................................................
25985.13.4.7 Environmental specifications
.................................................................................
259
86. Physical Medium Dependent (PMD) sublayer and medium, type
40GBASE–SR4 and 100GBASE–SR10
..............................................................................................................................
260
86.1
Overview...................................................................................................................................
26086.2 Physical Medium Dependent (PMD) service interface
............................................................
26286.3 Delay and Skew
........................................................................................................................
263
86.3.1 Delay
constraints...............................................................................................................
26386.3.2 Skew and Skew Variation constraints
..............................................................................
263
86.4 PMD MDIO function
mapping.................................................................................................
26386.5 PMD functional
specifications..................................................................................................
264
86.5.1 PMD block
diagram..........................................................................................................
26486.5.2 PMD transmit function
.....................................................................................................
26586.5.3 PMD receive function
.......................................................................................................
26586.5.4 PMD global signal detect function
...................................................................................
26586.5.5 PMD lane-by-lane signal detect function
.........................................................................
26686.5.6 PMD reset
function...........................................................................................................
26686.5.7 PMD global transmit disable function (optional)
.............................................................
26686.5.8 PMD lane-by-lane transmit disable function (optional)
................................................... 26786.5.9 PMD
fault function (optional)
..........................................................................................
26786.5.10 PMD transmit fault function (optional)
............................................................................
26786.5.11 PMD receive fault function
(optional)..............................................................................
267
86.6 Lane assignments
......................................................................................................................
26786.7 PMD to MDI specifications for 40GBASE-SR4 or 100GBASE-SR10
................................... 267
86.7.1 Transmitter optical specifications
.....................................................................................
26886.7.2 Characteristics of signal within, and at the receiving
end of, a compliant optical
channel
..............................................................................................................................
26986.7.3 40GBASE–SR4 or 100GBASE–SR10 receiver optical
specifications ............................ 27086.7.4 40GBASE–SR4
or 100GBASE–SR10 illustrative link power budget
............................. 271
86.8 Definitions of optical and dual-use parameters and
measurement methods............................. 27186.8.1 Test
points and compliance boards
...................................................................................
27186.8.2 Test patterns and related subclauses
.................................................................................
271
86.8.2.1 Multi-lane testing
considerations............................................................................
27486.8.3 Parameters applicable to both electrical and optical
signals............................................. 274
86.8.3.1 Skew and Skew
Variation.......................................................................................
27486.8.3.2 Eye
diagrams...........................................................................................................
275
86.8.3.2.1 Eye mask acceptable hit count
examples......................................................
27586.8.3.3 Jitter
........................................................................................................................
275
11Copyright © 2015 IEEE. All rights reserved.
-
86.8.3.3.1 J2 Jitter
..........................................................................................................
27586.8.3.3.2 J9 Jitter
..........................................................................................................
275
86.8.4 Optical parameter
definitions............................................................................................
27686.8.4.1 Wavelength and spectral
width...............................................................................
27686.8.4.2 Average optical power
............................................................................................
27686.8.4.3 Optical Modulation Amplitude
(OMA)..................................................................
27686.8.4.4 Transmitter and dispersion penalty
(TDP)..............................................................
27686.8.4.5 Extinction ratio
.......................................................................................................
27686.8.4.6 Transmitter optical waveform (transmit eye)
......................................................... 276
86.8.4.6.1 Optical transmitter eye mask
........................................................................
27786.8.4.7 Stressed receiver
sensitivity....................................................................................
27886.8.4.8 Receiver jitter tolerance
..........................................................................................
278
86.9 Safety, installation, environment, and
labeling.........................................................................
27986.9.1 General safety
...................................................................................................................
27986.9.2 Laser safety
.......................................................................................................................
27986.9.3 Installation
........................................................................................................................
27986.9.4
Environment......................................................................................................................
27986.9.5 PMD labeling
....................................................................................................................
279
86.10 Optical channel
.........................................................................................................................
27986.10.1 Fiber optic cabling model
.................................................................................................
27986.10.2 Characteristics of the fiber optic cabling (channel)
.......................................................... 280
86.10.2.1 Optical fiber
cable...................................................................................................
28086.10.2.2 Optical fiber
connection..........................................................................................
280
86.10.2.2.1 Connection insertion
loss..............................................................................
28186.10.2.2.2 Maximum discrete
reflectance......................................................................
281
86.10.3 Medium Dependent Interface (MDI)
................................................................................
28186.10.3.1 Optical lane assignments for 40GBASE-SR4
........................................................
28186.10.3.2 Optical lane assignments for 100GBASE-SR10
.................................................... 28286.10.3.3
Medium Dependent Interface (MDI) requirements
................................................ 282
86.11 Protocol implementation conformance statement (PICS)
proforma for Clause 86, Physical Medium Dependent (PMD) sublayer
and medium, type 40GBASE–SR4 and
100GBASE–SR10..........................................................................................................................................
284
86.11.1
Introduction.......................................................................................................................
28486.11.2 Identification
.....................................................................................................................
284
86.11.2.1 Implementation
identification................................................................................
28486.11.2.2 Protocol summary
...................................................................................................
284
86.11.3 Major
capabilities/options.................................................................................................
28586.11.4 PICS proforma tables for Physical Medium Dependent (PMD)
sublayer and medium,
types 40GBASE–SR4 and 100GBASE–SR10
.................................................................
28686.11.4.1 PMD functional
specifications................................................................................
28686.11.4.2 Management
functions............................................................................................
28786.11.4.3 Optical specifications for 40GBASE–SR4 or
100GBASE–SR10.......................... 28786.11.4.4 Definitions of
parameters and measurement methods
............................................ 28886.11.4.5
Environmental and safety specifications
................................................................
28886.11.4.6 Optical channel and
MDI........................................................................................
289
87. Physical Medium Dependent (PMD) sublayer and medium, type
40GBASE-LR4 and
40GBASE-ER4...................................................................................................................................
290
87.1
Overview...................................................................................................................................
29087.2 Physical Medium Dependent (PMD) service interface
............................................................
29087.3 Delay and Skew
........................................................................................................................
292
87.3.1 Delay
constraints...............................................................................................................
29287.3.2 Skew constraints
...............................................................................................................
292
12Copyright © 2015 IEEE. All rights reserved.
-
87.4 PMD MDIO function
mapping.................................................................................................
29287.5 PMD functional
specifications..................................................................................................
292
87.5.1 PMD block
diagram..........................................................................................................
29287.5.2 PMD transmit function
.....................................................................................................
29387.5.3 PMD receive function
.......................................................................................................
29487.5.4 PMD global signal detect function
...................................................................................
29487.5.5 PMD lane-by-lane signal detect function
.........................................................................
29587.5.6 PMD reset
function...........................................................................................................
29587.5.7 PMD global transmit disable function (optional)
.............................................................
29587.5.8 PMD lane-by-lane transmit disable function
....................................................................
29587.5.9 PMD fault function (optional)
..........................................................................................
29687.5.10 PMD transmit fault function (optional)
............................................................................
29687.5.11 PMD receive fault function
(optional)..............................................................................
296
87.6 Wavelength-division-multiplexed lane assignments
................................................................
29687.7 PMD to MDI optical specifications for 40GBASE-LR4 and
40GBASE-ER4 ........................ 296
87.7.1 40GBASE-LR4 and 40GBASE-ER4 transmitter optical
specifications .......................... 29787.7.2 40GBASE-LR4 and
40GBASE-ER4 receive optical specifications
................................ 29887.7.3 40GBASE-LR4 and
40GBASE-ER4 illustrative link power
budgets.............................. 299
87.8 Definition of optical parameters and measurement
methods....................................................
29987.8.1 Test patterns for optical
parameters..................................................................................
30087.8.2 Skew and Skew
Variation.................................................................................................
30187.8.3 Wavelength
.......................................................................................................................
30187.8.4 Average optical power
......................................................................................................
30187.8.5 Optical Modulation Amplitude
(OMA)............................................................................
30187.8.6 Transmitter and dispersion
penalty...................................................................................
301
87.8.6.1 Reference transmitter requirements
........................................................................
30187.8.6.2 Channel requirements
.............................................................................................
30287.8.6.3 Reference receiver requirements
............................................................................
30287.8.6.4 Test
procedure.........................................................................................................
303
87.8.7 Extinction ratio
.................................................................................................................
30387.8.8 Relative Intensity Noise
(RIN20OMA)............................................................................
30387.8.9 Transmitter optical waveform (transmit eye)
...................................................................
30387.8.10 Receiver
sensitivity...........................................................................................................
30387.8.11 Stressed receiver
sensitivity..............................................................................................
303
87.8.11.1 Stressed receiver conformance test block
diagram.................................................
30487.8.11.2 Stressed receiver conformance test signal
characteristics and calibration ............. 30587.8.11.3 Stressed
receiver conformance test signal
verification...........................................
30787.8.11.4 Sinusoidal jitter for receiver conformance test
.......................................................
30787.8.11.5 Stressed receiver conformance test procedure for WDM
conformance testing ..... 308
87.8.12 Receiver 3 dB electrical upper cutoff frequency
..............................................................
30987.9 Safety, installation, environment, and
labeling.........................................................................
309
87.9.1 General safety
...................................................................................................................
30987.9.2 Laser safety
.......................................................................................................................
30987.9.3 Installation
........................................................................................................................
31087.9.4
Environment......................................................................................................................
310
87.9.4.1 Electromagnetic emission
.......................................................................................
31087.9.4.2 Temperature, humidity, and
handling.....................................................................
310
87.9.5 PMD labeling requirements
..............................................................................................
31087.10 Fiber optic cabling model
.........................................................................................................
31087.11 Characteristics of the fiber optic cabling (channel)
..................................................................
311
87.11.1 Optical fiber
cable.............................................................................................................
31187.11.2 Optical fiber
connection....................................................................................................
312
87.11.2.1 Connection insertion
loss........................................................................................
31287.11.2.2 Maximum discrete
reflectance................................................................................
312
13Copyright © 2015 IEEE. All rights reserved.
-
87.11.3 Medium Dependent Interface (MDI) requirements
.......................................................... 31287.12
Requirements for interoperation between 40GBASE-LR4 and
40GBASE-ER4..................... 31287.13 Protocol implementation
conformance statement (PICS) proforma for Clause 87, Physical
Medium Dependent (PMD) sublayer and medium, type 40GBASE-LR4 and
40GBASE-ER4
...........................................................................................................................................
313
87.13.1
Introduction.......................................................................................................................
31387.13.2 Identification
.....................................................................................................................
313
87.13.2.1 Implementation
identification................................................................................
31387.13.2.2 Protocol summary
...................................................................................................
313
87.13.3 Major
capabilities/options.................................................................................................
31487.13.4 PICS proforma tables for Physical Medium Dependent (PMD)
sublayer and medium,
type 40GBASE-LR4 and
40GBASE-ER4........................................................................
31587.13.4.1 PMD functional
specifications................................................................................
31587.13.4.2 Management
functions............................................................................................
31687.13.4.3 PMD to MDI optical specifications for
40GBASE-LR4........................................ 31687.13.4.4
PMD to MDI optical specifications for
40GBASE-ER4........................................ 31687.13.4.5
Optical measurement
methods................................................................................
31787.13.4.6 Environmental
specifications..................................................................................
31787.13.4.7 Characteristics of the fiber optic cabling and
MDI................................................. 317
88. Physical Medium Dependent (PMD) sublayer and medium, type
100GBASE-LR4 and
100GBASE-ER4.................................................................................................................................
318
88.1
Overview...................................................................................................................................
31888.2 Physical Medium Dependent (PMD) service interface
............................................................
31888.3 Delay and Skew
........................................................................................................................
320
88.3.1 Delay
constraints...............................................................................................................
32088.3.2 Skew constraints
...............................................................................................................
320
88.4 PMD MDIO function
mapping.................................................................................................
32088.5 PMD functional
specifications..................................................................................................
320
88.5.1 PMD block
diagram..........................................................................................................
32088.5.2 PMD transmit function
.....................................................................................................
32188.5.3 PMD receive function
.......................................................................................................
32288.5.4 PMD global signal detect function
...................................................................................
32288.5.5 PMD lane-by-lane signal detect function
.........................................................................
32388.5.6 PMD reset
function...........................................................................................................
32388.5.7 PMD global transmit disable function (optional)
.............................................................
32388.5.8 PMD lane-by-lane transmit disable function
....................................................................
32388.5.9 PMD fault function (optional)
..........................................................................................
32488.5.10 PMD transmit fault function (optional)
............................................................................
32488.5.11 PMD receive fault function
(optional)..............................................................................
324
88.6 Wavelength-division-multiplexed lane assignments
................................................................
32488.7 PMD to MDI optical specifications for 100GBASE-LR4 and
100GBASE-ER4 .................... 325
88.7.1 100GBASE-LR4 and 100GBASE-ER4 transmitter optical
specifications ...................... 32588.7.2 100GBASE-LR4 and
100GBASE-ER4 receive optical specifications
............................ 32788.7.3 100GBASE-LR4 and
100GBASE-ER4 illustrative link power
budgets.......................... 328
88.8 Definition of optical parameters and measurement
methods....................................................
32888.8.1 Test patterns for optical
parameters.....................................................................