BOTU Features and Applications Copyright © Siemens Schweiz AG 2007
Dec 14, 2015
BOTU Features and Applications
Copyright © Siemens Schweiz AG 2007
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BOTU Plug-in and Desktop Unit
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BOTU Features (1)
Optical Line Interface• Line speed 155 MBit/s, SFP (Small Form Factor Plugable)
Modules• Bidirectional (WDM) via one fiber or two fiber modules• Distances 0 to 15km / 0 to 40km (depending on SFP type) • Optional 1+1 Line Protection
Centralized Management (LCT and AccessIntegrator)
Compatible to all ULAF+ subracks
Clock distribution from Central Office Terminal (COT) to Remote Terminal (RT)
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BOTU Features (2)
Versions:
BOTU plug-in: 4 x 1 E1 (G.703; 2MBit/s, 75/120 Ohm) and 3 x 10/100 BaseT (Ethernet switch on board); BOTU desktop: 4 x E1 (G.703; 2Mbit/s, 75/120 Ohm) and 4 x 10/100 BaseT (Ethernet switch on board)
BOTU desktop: 1 x 1 E1 (G.703; 2Mbit/s; 75/120 Ohm) and data module slot (for X.21, V.35, V.36 modules)
QOTU plug-in: 4 x E1 (G.703; 2Mbit/s, 75/120 Ohm) and 4 x optical interfaces (SFP slots)
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BOTU: 4 port L2-switch
Individually configurable 10/100BaseTX ports IEEE 802.3u (using LCT or AccessIntegrator EM ULAF+)
• Plug-in: 3 ports at the front and one connected to the backplane of ULAF+ V3 subrack • Desktop: 4 ports
Ports can be individually deactivated
10BaseT/100BaseTX
Full- / half duplex operation; Link Failure Propagation (LFP)
Flow control (pause frames or back pressure); auto negotiation
Automatic MDI / MDI-X crossover
VLAN and QoS supported
Handling of oversized frames up to 2000 bytes
Self-learning switch (1024 MAC addresses
Ingress and Egress Rate Limiting
Broadcast Storm Protection
VLAN IEEE 802.1Q support
Provider VLAN IEEE 802.1ad
16 simultaneous active VLAN
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Quality of Service
Priority Queues
• 4 priority queues
• Transmit Queue Algorithms:
“Weighted Fairness Queuing”
“Strict Priority Queuing”
Prioritization
• Based on port
• Based on IEEE 802.1p
• Based on DSCP
• Based on VLAN ID
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BOTU with Ethernet & G.703 Interfaces
Application: 4 x E1 & 100 MBit/s Ethernet
Advanced L2 Switch features
Clock input (COT), clock output (RT)
Optional 1+1 line protection
E1 (G.703)E1 (G.703)E1 (G.703)E1 (G.703)
1...4 x 10/100BaseTx
155MB1+1
protection
BOTU
BOTU
4 x E1 (G.703)
GbE Uplink
(TDM)
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BOTU with Data Module Slot & G.703 Interface
Application: 1x E1 plus 2MBit/s Data
Data Interface Module Slot (X.21, V.35 or V.36 )
Clock input (COT), Clock output (RT)
Optional 1+1 Line Protection
E1 (G.703)
DTE
X.21, V.35 or V.36155MB
1+1 Line Protection
BOTU
2 x E1 xTUULAF+
xTU
2 x E1
(TDM)
BOTU with 4 x E1
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xTU
QOTU – Quad system optical unit
BOTU
E1 (G.703)
E1 (G.703)
BOTU
Data
BOTU
Data
155 MB
155 MB
155 MB
155 MB
4 x E1 4 x E1xTUULAF+
xTU
QOTU
ULAF+xTU
(TDM)
BOTU
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Ethernet Channel Bundling
1...4 x 10/100BaseTx
BOTU
4 – 8 MBit/s Ethernet via 2 – 4 E1 channels (MCS* Channel Bundling)
* MCS: Multi Channel Synchronization in BOTU on customer request
BOTU(TDM)
MCS 2...4 x E1
MCS 2...4 x E1
1...4 x 10/100BaseTx
GTU4
155MB1+1 Protection
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100 Mbit/s Connections viaMetro Ethernet Network
BOTU
10/100BaseTx
BOTU
VoIP
VoIP
BOTU
BOTU
P-VLAN (Provider VLAN)
VoIP
BOTUBOTU
GbE
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8 Mbit/s Ethernet Leased Lines via SDH/TDM Networks
MUX MUX
(TDM)
MCS 4 x E1 4 x E1 MCS
10/100BaseTx 10/100BaseTx
BOTU
VoiP VoiP
BOTU BOTU
BOTU
MCS: Multi Channel Synchronizationin BOTU on customer request
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100 Mbit/s Ethernet & Legacy Access/Campus Network, 1 + 1 Protection
E1 (G.703)E1 (G.703)E1 (G.703)E1 (G.703)
1...4 x 10/100BaseTx155MB
1+1 protection BOTU
E1 (G.703)E1 (G.703)E1 (G.703)E1 (G.703)
1...4 x 10/100BaseTx
BOTU
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Legacy Access Network
G.703X.21
G.703V.35
G.703V.36
G.703X.21
QOTU
4 x E1
BOTU
BOTU
BOTU
BOTU
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HW Versions (1)BOTU Plug-in, 10/100BaseTx
• Plug-in : S3118-J612-F111
4 x E1 (G.703)3 x 10/100 BaseTx2 x SFP slots
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HW Versions (2)QOTU Plug-in
• Plug-in : S3118-J613-F110
4 x E1 (G.703)4 x SFP slots
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HW Versions (3)BOTU Desktop, 10/100 BaseTx
•Desktop : S3118-H612-F111
4 x E1 (G.703) 4 x 10/100 BaseT 2 x SFP slots Clock interface (BNC)
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HW Versions (4)BOTU Desktop with data module slot
•Desktop : S3118-H612-B210 1 x E1 (G.703) 2 x SFP slots Clock interface (BNC)
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BOTU Accessories
SFP Modules:
V3708-Z67-X28 bidirectional Tx= 1310nm: 0 to 15km
V3708-Z67-X29 bidirectional Tx= 1550nm: 0 to 15km
V3708-X67-X32 duplex-connector Tx/Rx 1310nm: 0 to 15km
V3708-Z67-X30 bidirectional Tx=1310nm: 0 to 40km
V3708-Z67-X31 bidirectional Tx=1550nm: 0 to 40km
Optical connector type: LC
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Siemens Switzerland Ltd.International Sales EIP AAlbisriederstrasse 245CH-8047 Zurich
Tel.: + 41-585 586 144Fax: + 41-585 585 414e-mail: [email protected]: http://www.siemens.ch/ulaf
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Sales