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BTS Commissioning ProcedureContent
4I.Objectives
4II.Work Preparation
4III.BS240/ 240XL Overview
6III.1.Modules
6III.1.1.Core Basic/ Core Satellite
6III.1.2.Carrier Unit
8III.1.3.Combining Unit
9IV.Commissioning
9IV.1.Visual Check
10IV.2.HW Configuration and Jumper Setting
10IV.2.1.Core Module
14IV.2.2.Combiner
14IV.2.3.ACT
15IV.3.Software Download and Activation
17IV.4.Definition of Rack
19IV.5.Creation of Module
20IV.5.1.COSA
21IV.5.2.CU
22IV.5.3.DULNA
23IV.5.4.DUVSWR
24IV.5.5.FAN
24IV.6.Setting BTSE Attribute
25IV.7.Creation of BPORT
26IV.8.Creation of LAPDLE
28IV.9.Setting BTSM
29IV.10.Switch BTSM to PH3
30IV.11.Creation of Enva
30IV.12.Remote Inventory
30IV.13.Perform Check and Test
31V.Integration
31VI.Test After On Air
33VII.Appendix
I. Objectives
Maksud dan Tujuan
This document is intended to be used as a reference to guide the
BS240/ 240XL commissioning and BTS function testing. It contains
all description of procedure commissioning the BTS system.
Dokumen ini ditujukan untuk membuat suatu petunjuk acuan dalam
komisioning BS240/ 240XL dan test fungsinya. Dokumen ini mencakup
seluruh prosedur komisioning BTS.
II. Work Preparation
Persiapan Pekerjaan
Before starting the commissioning works, these document and
information below must be available:
a. Work Instruction Document (see app.2.1) b. OHSE document (see
app 2.2)c. DBCR or database change request (see app 2.3)d.
Information of PCML and all radio system number that will be usedd.
BSS Asplan, which is left inside rack by former installation team
(see app.2.4)
III. BS240/ 240XL OverviewOverview BS240/ 240XL
There are two BTSE families in the Siemens BSS. The BTS one
family including BS60, BS61, BS22, BS20, BS21, and BS11 and the BTS
Plus family including the e-Micro BTS and the Pico BTS and all BTSE
gathered under the name BTS plus BTSE.
This BTS plus products are:
BS240/ BS240 II/ BS241/ BS241 II with max 24 TRX in 3 (carrier)
racks.
BS40/ BS40 II/ BS41/ BS41 II with max 4 TRX in a single
rack.
BS240XL/ BS240XL II with max 24 TRX in 2 (carrier) racks.
For the BTS plus BTSE dual band operation in the GSM900 and
GSM1800/1900 frequency bands is possible.
Filter and duplex combiners offer high output power and a
minimized number of antennas, respectively. A TMA (tower mounted
amplifier) for highest receiver sensitivity is available.
All BTS plus offer GPRS (General Packet Radio Service) and are
prepared for EDGE (Enhanced Data Rates for GSM Evolution).
Fig. 1Rack BS240/241III.1. Modules
Modul
The categories for the main BTS plus components are:
Core boards (COBA/COSA) Carrier Units (CU)
Combining equipment (DUAMCO, FICOM, DIAMCO)
Up to 8 PCMB lines can be connected to the two core boards. The
main communication between the modules runs via a bi-directional
serial link between the carrier units and the core boards
(CC-Link). The serial link is also used for base band frequency
hopping. Alarms of the CU boards are transmitted via CC-Link. All
non-CU boards (e.g. DUAMCO) report their alarms to COBA via the CAN
Bus.
III.1.1. Core Basic/ Core Satellite
COBA/ COSA
The main functions of Core Base and Core Satellite are:
Local control of entire BTSE
Generation of system clock
Providing max 8 Abis interfaces to BSC and other BTSE Routing
Abis data to max 24 CU
Providing T-interface to LMT
Handling and processing of O&M messages
COBA supports max 2 PCM interfaces and 8 CU. Usually we found
COBA2P8 code on the module. COSA is required for expanding the BTS
plus capacity with an additional 6 Abis and 16 CU. In COSA we found
COSA 6P16.COSA is controlled from the COBA via the satellite
interface.
III.1.2. Carrier Unit
CU
The carrier units CU contains all analogue and digital signal
processing units (including a RF power stage) to provide a single
GSM/ EDGE carrier (with 8 time slots). The carrier unit interfaces
to the combining equipment via semi-rigid cabling and to the Core
Module via CC-Link.
Fig. 2 Carrier Unit (CU)
The carrier unit composed of the following units:
PATRX (Power Amplifier and Transceiver Unit) PSU (Power Supply
Unit) SIPRO (Signal Processing Unit)III.1.3. Combining Unit
DUAMCO/FDUAMCO
The DUAMCO modules contain duplex filters in order to combine
transmit and receive path to one antenna connector. The receive
path consist LNA (low noise amplifier) and power splitter. The
DUAMCO amplifier has two different operation modes which can be
selected by e.g. DIP switches. In the following, Mode 1 is called
AMCO mode where no TMA is used and the second mode is called MUCO
mode where TMA is used.
Fig. 3 FDUAMCO
IV. Commissioning
For commissioning BS24x/ BS4x, there are some steps/ procedures
that needed to do.The main steps are:
IV.1. Visual Check
The first steps of each commissioning are the visual check of
BTS mechanics and electrics: (For detail see app 4.1) BTS rack
(rack fixing, fixed boards)
Damage to rack or shelter
Correct insertion of modules
System/ rack cabling (semi rigid, PCM, alarm, and indoor jumper
cable) Antenna system installation (direction and type of antenna
same with DBCR) Grounding
Main fuses
External interface-power supply, antenna, alarm and Abis
wiring.
IV.2. HW Configuration and Jumper Setting
IV.2.1. Core Module
The COBA/ COSA contain three transceiver sub-modules for 75 ,
100 , or 120 impedance matching.
COBA Setting
Switch settings of port 1 and port 2
Switch settings External Synchronization
COSA Settings
Switch Setting COSAIV.2.2. Combiner
The DIP switches on the front side of DUAMCO determine whether
the DUAMCO run in AMCO or in MUCO mode.
IV.2.3. ACT
On the ACT, the rack address must be set. For the base rack and
the extension rack 0, the racks address setting done by factory.
Thus only for extension rack 1, setting on site is required.
IV.3. Software Download and Activation
Before starting the download, reset the COBA with the push
button on the front side. With the COBA in Phase 1, its LED shows
the following pattern.
Download the BTS plus software from the LMT hard disk to the
COBA FEPROM.
After the download is completed, activate the BTSM software then
the COBA and CU Ram are loaded and the BTSM reaches Phase 2. The
LMT session is closed and new logon is required.
Activation of BTSMIV.4. Definition of Rack
The rack size for BS24x can take the following values: BS240/
BS241 for base rack (no. 0) and extension racks (no.1 and no.
2)
BS240XL, only one extension rack (no. 1) is used.
BS4x, for base rack (no. 0)
For the base rack (RACK: 0) the command SET RACK has to be used,
and for extension rack (RACK: 1&2) we used command CREATE
RACK.
Creation of RackIV.5. Creation of Module
All the possible managed objects for BS24x and BS4x are
summarized in the following tables. Only those managed objects that
are physically present need to be created (exception COBA: 0, which
is created automatically).
IV.5.1. COSA
COSA must be created to use more than two PCM lines or more than
8CUs, also for using cross connect function. For BS-240/ 240 II/
240XL/ 240XL II, there can be 8 PCM lines connected. PCM 1 and 2
supplied by COBA, and PCM 3 to 8 supplied by COSA. The COSA can
only be installed in Base Rack (RACK: 0).
Creation of COSACREATE COSA:NAME=RACK0/COSA:(no: 0 or 1)
COSA 0: For basic module
COSA 1: For redundant (optional) IV.5.2. CU
The base rack and the extension racks can be equipped with 8 CUs
each (12 CUs in BS-240XL/ 240XL II). For more than 8 CUs perbs-240
/ 240 II/ 240XL/ 240XL II, the module COSA must be created.
Creation of CUIV.5.3. DULNA
DULNA supplies the Rx path of DUAMCO/ FDUAMCO. There are two
managed objects per module. They must be handled separately. Each
CU has a normal path Rx input and a diversity path Rx input and the
wiring data indicate which of them is physically connected to the
DUAMCO LNA.
Creation of DULNACREATE DULNA:NAME=RACK:(no)/DULNA:(no),
CELLNO=(no), COMBMD=(combiner mode), LNAPRED=(pred type), WDLNA=(no
of CU normal or diversity mode).
IV.5.4. DUVSWR
DUVSWR supplies the Tx path of DUAMCO/ FDUAMCO. There are two
managed objects per module. They must be handled separately.
Creation of DUVSWRCREATE DUVSWR=Rack:(no)/DUVSWR:(no),
CELLNO=(no),COMBMD=(combiner mode), WDDUVSWR=(no 0f CU).
IV.5.5. FAN
The rack can be equipped with 6 fans (8 fans in BS-240XL/ 240XL
II). During the creation of each fan, the alarm for defective fan
is generated automatically.
Creation of FANIV.6. Setting BTSE AttributeWe have four things
that have to set in BTSE attributes: Location Name (LOCNAME) Sales
Unique Name (SALUNAME) Vendor Name (VENDNA) Software Load Safety
(SWL, after BTSE connected to BSC)
One of the most important of BTSE attributes is the Sales Unique
Name. The SALUNAME together with the TEI is used for uniquely
addressing the BTSM from the BSC. The ASCII 11 characters string
for SALUNAME is defined by SIEMENS central service TAC 3 and
provided to the commissioners by local TAC 2.IV.7. Creation of
BPORT
The object BPORT determines the PCM line configuration. The
number of available BPORT is between 2 (COBA only) and 8
(COBA+COSA).
The following parameters have to be set:
layer1ControlTs
layer1Protocol type
layer1RemoteAlarmType
line Configuration
line Impedance (default, no need to configure)
Creation of BPORT
Creation of BPORTIV.8. Creation of LAPDLE
The object LAPDLE identifies the timeslot on Abis used for
communication between BSC and BTSE (viewed from BTSE side); on the
BSC side is called LAPDLM.The LAPD links are either all 64kbit/s (3
and more TRX per BTSE) or all 16kbit/s (max 2 TRX per BTSE).
The object LAPDLM on the BSC command tree indicates a time slot,
which may carry both LADLM and LPDLR type LAPD signaling.
The settings for LAPDLE (BTSE Commissioning) and LAPDLM (BSC
Database) must be consistent.
Creation of LAPDLEIV.9. Setting BTSM
The BTSM setting includes the TEI (Terminal Endpoint
Identifier). The TEI together with the SALUNAME forms the unique
BTSM addresses, which must be set in accordance with the BSC data
base.
SET BTSM:BTSM=0, ABISLKSAT=(link type), TEI=(refer to database
BSC)
IV.10. Switch BTSM to PH3
The BTSE can be switched to PH 3 with:
Switch button (LMT Control Centre) or with
Command CONNBSC BTSM (connect BTSM to BSC)
After switch to PH 3 the LMT session is closed and a new logon
is required.
The LED on the module will show:
The LED on COBA
The LED on COSA
The LED on CU
IV.11. Creation of Enva
For Base Rack with ACTM the range of ENVA is 056
In all other cases (without ACTM) the range is 08
The alarms can be configured as high active or low active:
High active: alarm message starts if the pins are opened.
Low active: alarm message starts if the pins are closed by short
circuit.
Alarm severity level can be chosen: critical, major, minor.
IV.12. Remote Inventory
Inventory data are used for the functional and physical
identification of HW/FW modules in the SBS. The modules, shelf, etc
are equipped with labels. On these labels the product
identification data is stored. The main point is to combined the
NOB and OB.IV.13. Perform Check and Test
-Hardware Check
We need to check all module state to make sure it works
properly. This is can be done with get state the module, this is
will be confirmed by the state event report:
Administrative State = UNLOCKED
Operational State = ENABLEDFor all successfully created
objects-Check and Test ENVATest on DDF (short and open), monitoring
by LMT (message browser window)Result of ENVA test is reported in
ENVA Test Result Form (app. 4.2)V. Integration
There are some steps in Integration BTS:
-Get entry permit letter from Customer to each site that passed
for transmission connection Create PCMB on BSC
Cross-connect the link from BSC to BTS Give and cross check data
for integration to OMC-B, e.g. BSC to connect, PCML (PCM circuit
number), PCMB, TEI, TS for LAPDLE (signaling) Request for download
database to Siemens Regional VI. Test After On Air
It is mandatory to do some test after the site on air, to make
sure the site can be used to make a call and the hardware working
properly (e.g. power output CU in spec margin). The tests are:
Power Measurement
In power measurement, it has two kind measurements. Measuring
power after CU (before DUAMCO) and after DUAMCO. The power
measurement result is reported in CU & DUAMCO Power Measurement
Form(See app. 6.1 )Power Measurement after CU (before Combiner)
Power Output from ECU GSM > 48.3 dbm
Power Output from ECU DCS > 47.3 dbm
Power loses in DUAMCO
So, power measurement after DUAMCO = (Power after CU DUAMCO
loses)
Test Call
In test call, we need tools named TEMS (product by Ericsson) and
GPS. We also need some data: DBCR + coverage plot, map site.
Perform test call in each sector and around the site to check.
Test call result is reported in Test Call Report Form (see app
6.2):
All timeslots are created and can be used
Make sure the all time slot are created can be done by dedicated
call with channel verification in TEMS
Fig. 4 Window of Channel Verification in TEMS application
The downloaded frequencies are correct (same with DBCR)
Get the all TRX in local connection wit BTS by LMT
The site can hand over to neighbor site (neighbor site list in
DBCR)
VII. Work CompletionPenyelesaian PekerjaanBefore leaving the
site, there are some activity have to be done.
7.1 Red Correction
Chart below explains the process of Red Correction :
Fig. 6.1 Red Correction Flow Chart
As commissioning work is possible cannot be completed as planned
due to unexpected factor therefore Commissioner must update the BSS
asplan site documentation by doing red correction.
Red correction is performed by providing a Red Mark in former
BSS asplan document for any change in equipment layout, equipment
type, dimension etc. Also some photograph is necessary to be taken.
List of picture to be taken can be seen in App 7.1 and sample of
each picture can be seen in App. 7.2Siemens Supervisor is
responsible to decide if a red correction file has been done
according to requirement or not.
After a red correction approved by Siemens Supervisor then
Commissioner must submit the final red correction document
(together with complete BAST doc) to BAST Admin in Siemens regional
office.
7.3 Acceptance Test ProcedureAcceptance Test Procedure is
performed according instruction explained inside TTP BSS 240 and
TTR BS 240 (see App. 7.3). This activity must be performed under
Supervision from Siemens Supervisor.
Installation Supervisor will decide if every item of
installation result is accepted or not7.4 Incident and Accident
Report
If there was any Accident during installation work, then it must
be reported by using Accident & Incident Report form (see App.
7.4)
It also necessary to report that tower work has been completed
safely by using Tower Work Completin Statement (see App. 7.5)
7.5 BAST DocumentationLast activity from whole Installation is
completion of BAST Documentation.
NoDocument NameRequired Signature for BAST Approval
SubcontInst SPVRM
1Work Instruction
Job Safety Analysis
Work Permit
Hazard Identification Record (incidental)
31. Accident Record (if any)
4. ATP Document
ENVA Test Result
CU & DUAMCO Power Measurement
Test Call Report Form
Red Correction Document
Red Correction Photo (softcopy)
6. Work Completion Time Report (WCTR)
7. Timesheet
5. ATP Hand Over
Tab. 6.1 List of complete BAST document
Sample of Work Completion Time Report (WCTR)can be seen in App.
7.6, sample of Timesheet can be seen in App. 7.7, and sample of ATP
hand over can be seen in App. 7.8
The complete BAST document will be submitted to Siemens Regional
Office for further commercial administrationVIII. AppendixRed
Correcrtion File (Approved) + Photo
Y
Commissioner
Correction
Siemens Spv
Red Correction Check
Final Red Correction File & Photo (Draft)
N
Approved?
Red marking of any changes in BSS asplan doc
Taking Pictures
Commissioner
Commissioner
Identify any changes
Commissioning Finished
Commissioner
Submit the approved final red correction to Siemens BAST
admin
Commissioner
Company : PT. Siemens IndonesiaBSS Commissioning ProcedureFile :
BSS Commissioning Procedure.v.0
COM CS TKSRev. no : Page 9 of 35
Prepare : Donny TambunanRev date : 34 Aug 06Uncontrolled
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