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Alcatel BSS

Evolium BSC Functional UnitsConfigurations

BSC & TC Document

Sub-System Description

Release B9

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Status RELEASED

Short title Evolium BSC FUs Configs

All rights reserved. Passing on and copying of this document, useand communication of its contents not permitted without writtenauthorization from Alcatel/Evolium.

BLANK PAGE BREAK

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Contents

Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1 Functional Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101.2 Abis TSU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.1 Abis TSU Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121.2.2 Abis TSU PBA Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131.2.3 Abis TSU BPAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.3 Ater TSU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141.3.1 Ater TSU Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141.3.2 Ater TSU PBA Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151.3.3 Ater TSU BPA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.4 Common TSU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161.4.1 Common TSU Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161.4.2 Common TSU PBA Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171.4.3 Common TSU BPA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.5 DSN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181.5.1 BSC Configuration 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191.5.2 BSC Configuration 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201.5.3 BSC Configuration 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211.5.4 BSC Configuration 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221.5.5 BSC Configuration 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231.5.6 BSC Configuration 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241.5.7 Cross Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251.5.8 DSN PBA Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251.5.9 DSN BPA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

1.6 Clock and Alarm System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271.6.1 Clock and Alarm System Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

1.6.2 Clock and Alarm System PBA Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281.6.3 Clock and Alarm System BPA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281.7 TSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

1.7.1 TSC Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291.7.2 TSC PBA Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291.7.3 TSC BPA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291.7.4 TSC Quantities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2 BSC Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.1.1 Configuration-Independent Capacities and Dimensioning . . . . . . . . . . . . . . . . . . 322.1.2 Configuration-Dependent Capacities and Dimensioning . . . . . . . . . . . . . . . . . . . . 33

2.2 BSC Configuration Cabinet Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.2.1 Configuration 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362.2.2 Configuration 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362.2.3 Configuration 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372.2.4 Configuration 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372.2.5 Configuration 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382.2.6 Configuration 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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Figures

FiguresFigure 1: BSC Functional Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 2: Abis TSU Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 3: Ater TSU Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 4: Common TSU Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 5: DSN Configuration 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19





Figure 10: DSN Configuration 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 11: Clock and Alarm System Configuration (Cabinet A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 12: Clock and Alarm System Configuration (Cabinets B and C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 13: TSC Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 14: Configuration 1, Cabinet A Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 15: Configuration 2, Cabinet A Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 16: Configuration 3, Cabinets A and B Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 17: Configuration 4, Cabinets A and B Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 18: Configuration 5, Cabinets A, B and C Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 19: Configuration 6, Cabinets A, B and C Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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Tables

TablesTable 1: Meaning of X, Y and Z for each BSC Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 2: Cross Links - Configurations 1 and 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 3: Cross Links - Configurations 3, 4, 5 and 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 4: Configuration-Independent Capacities and Dimensioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 5: Fixed BSC Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 6: Alternative Method of Identifying Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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Tables

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Preface

Preface

Purpose This document describes the functional unit configurations of the EvoliumBSC hardware.

Whats New In Edition 02Editorial improvement.

In Edition 01Creation in B9.

Audience This document is intended for:

Commissioning personnel

System support engineers

Training personnel

Any other personnel interested in the configurations of the BSC hardware.

Assumed Knowledge The reader must have a general knowledge of:

Telecommunications systems

Telecommunications terminology

Electronics

BSC functions.

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Preface

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1 Functional Units

1 Functional Units

This chapter describes the BSC configurations at the functional unit level.

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1 Functional Units

1.1 IntroductionThe figure below shows the division of the BSC into functional units froma hardware point of view.

8

TCUC1

Abis TSU

DTCC

Ater TSU

OSICPRC SYSCPRC

Common TSU

BCCPRC

DSN

SWCH

Transcoder SubmultiplexerController Clock and Alarm System

OMCR BSC Terminal External Alarms

Qmux bus

BTS BIUA

ActiveStandby

ActiveStandby

ASMB

Clock A

Clock BTSCA

14

58

1

X1

Y

MSC/ 1

2

Z

1

SYSBCLAM

S S

MRACKBCLA

1

1

Z

Z

MFS

ASMB : Ater Submultiplexer Type BBC : BroadcastBCLA : BSC Clock Type ABIUA : Base Station Interface Unit Type ABTS : Base Transceiver StationCPRC : Common Processor Type CDSN : Digital Switching NetworkDSN : Digital Switching NetworkDTCC : Digital Trunk Controller Type CM : MasterMSC : Mobile-services Switching CenterOMC-R : Operations & Maintenance Center-RadioOSI : Open System InterconnectionS : SlaveSWCH : SwitchSYS : SystemTCUC : Terminal Control Unit Type CTSCA : Transcoder Submultiplexer Controller Type A

Figure 1: BSC Functional Units

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1 Functional Units

This chapter describes the configuration of each functional unit.

The number of functional units and PBAs depends on the configuration ofthe BSC. In the figure above, the letters X, Y and Z are used to indicate themaximum numbers of the associated functional unit or PBA. The table belowlists the meanings of X, Y and Z for each of the six BSC configurations.

Letter Configuration

- 1 2 3 4 5 6

X 1 4 6 9 11 14

Y 2 3 5 6 8 9

Z 1 1 2 2 3 3

Table 1: Meaning of X, Y and Z for each BSC Configuration

Full details of the BSC configurations are provided in BSC Configurations ( Section 2) .

Although the access switches are functionally part of the DSN, they arephysically part of the associated TSU.

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1 Functional Units

1.2 Abis TSU

1.2.1 Abis TSU Configuration

The figure below shows the PBAs which comprise the Abis TSU.

1 2

1 2

Abis1

Abis6

LAPD andX 24 / X 21

CLKB andBCB

External Converter alarms (1 ... 6)and external plug presence (1 ... 5)

from other BPAs

DC/DC

01

234567

01

234567

CLKA andBCA

89ABCDEF

1 2

1 2

89

ABCDEF

SWCH N 8/9

SWCH N A/B

SWCH N C/D

SWCH N E/F

SWCH N+4 8/9

SWCH N+4 A/B

SWCH N+4 C/D

SWCH N+4 E/F

MMI

Qmuxaddress

CLKA CLKBBCIA BCIB

CLKA

CLKB

Clock selectionstatus to TCUC 34

1 2

1 2

1 2

1 2

Converter alarms(1 ... 8) to TCUC 12

BCIA BCIB

QmuxConnections

DC/DC

To/FromTCUCs

27

To/FromTCUCs

27

1 2

1 2

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

= To/From BTSs

= To/From TSC

= From Clock and Alarm System

= From other BPAs

= To/From Group Switch of the DSN

= To/From Front Panel Connector

1 2

1 2

1 2

1 2

1 2

1 2

TCUC1

TCUC8

SWCH

N(AS)

SWCH

N+4

(AS)

BIUA

GNDplugPresence of

Abis Interfacesto TCUC 34

TerminationplugPresence to

TCUC 58

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

= From plugs on own BPA

1 2

1 2

N + 1Configuration

1 2

1 2

1 2

1 2

1 2

BC-I : Broadcast-Incoming

BS : Base StationCLK : ClockDC/DC : DC/DC ConverterMMI : Man-Machine Interface

Figure 2: Abis TSU Configuration

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1 Functional Units

1.2.2 Abis TSU PBA Variants

The variants of the PBAs in the Abis TSU are:

TCUC 3BK 06430 AAXX

BIUA 3BK 06436 AAXX, 75 Abis Interface

BIUA 3BK 06436 ABXX, 120 Abis Interface

DC/DC 3BK 07344 AAXX.

See DSN (Section 1.5) for details of the SWCH PBAs.

1.2.3 Abis TSU BPAs

The BPAs of the Abis TSU are:

BPA-ABIS16 3BK 06448 AAAA

BPA-GBIS16 3BK 06932 AAAA

The number of Abis TSUs, PBAs and BPAs depends on the configuration.Refer to the Introduction (Section 2.1) in BSC Configurations .

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1 Functional Units

1.3 Ater TSU

1.3.1 Ater TSU Configuration

The figure below shows the PBAs which comprise the Ater TSU.

AterMux

Ater1

Ater8

CLKB andBCB

DC/DC

01

234567

01

234567

CLKA andBCA

89ABCDEF

89ABCDEF

SWCH N 8/9

SWCH N A/B

SWCH N C/D

SWCH N E/F

SWCH N+4 8/9

SWCH N+4 A/B

SWCH N+4 C/D

SWCH N+4 E/F

MMI

CLKA CLKB

BCIA

BCIB

BCIA BCIB

QmuxConnections

To/FromDTCCs

27

To/FromDTCCs

27

1 2 3

1 2 3

1 2 3

= To/From MSC

= To/From TSC



= Ater Interface Connections

1 2

1 2

1 2 3

1 2 3

DTCC1

DTCC8

SWCH

N(AS)

SWCH

N+4

(AS)

DTCC4

ConverterAlarms to

DTCC1 and 2

AterMux

MMI

To/FromDTCCs 23

To/FromDTCCs 67

EXTR

REF1, 2, 3

EXTRREF4,5,6

Qmuxaddress

ASMB1

ASMB2

GNDplug Presenceof Ater and AterMuxInterfaces to DTCC

34 and 78

TerminationplugPresence to

DTCC 56

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

1 2

Qmuxaddress

= From plugs on own BPA

1 2 3

1 2 3

= To/From Front Panel Connector

1 2

1 2

1 2

1 2

1 2

1 2 3

1 2 3

DTCC5

EXTR : ExtractedREF : Reference Clock

Figure 3: Ater TSU Configuration

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1 Functional Units

1.3.2 Ater TSU PBA Variants

The variants of the PBAs in the Ater TSU are:

DTCC 3BK 06432 ABXX, 120 Ater Interfaces

3BK 06438 AAXX, 75 Ater and Ater MuxInterfaces (standard)

ASMB

3BK 06438 ACXX, 75 Ater and Ater MuxInterfaces (TBR13 compliant)

3BK 06438 ABXX, 120 Ater and Ater MuxInterfaces (standard)

ASMB

3BK 06438 ADXX, 120 Ater and Ater MuxInterfaces (TBR13 compliant)

DC/DC 3BK 07344 AAXX


1.3.3 Ater TSU BPA

The BPA of the Ater TSU is:

BPA-ATER16 3BK 06450 AAAA

The number of Ater TSUs, PBAs and BPAs depends on the configuration. Referto the Introduction (Section 2.1) in BSC Configurations .

As shown in Figure 3 above, the BSC performs 4:1 multiplexing of the AterInterfaces. However, the BSC can perform 3:1 multiplexing.

The BSC does this as follows:

DTCCs 1 to 3 are multiplexed by ASMB1

DTCCs 5 to 7 are multiplexed by ASMB2

DTCCs 4 and 8 do not carry traffic.

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1 Functional Units

1.4 Common TSU

1.4.1 Common TSU Configuration

The figure below shows the PBAs which comprise the Common TSU.

X.25

CLKB andBCB

DC/DC

01

234567

01

234567

CLKA andBCA

89ABCDEF

89ABCDEF

SWCH N A/B

SWCH N C/D

SWCH N E/F

SWCH N+4 8/9

SWCH N+4 A/B

SWCH N+4 C/D

SWCH N+4 E/F

CLKA CLKB

BCIA

BCIB

1 2

1 2

1 2

1 2 3

1 2 3

= To/From BSC Terminal

= To/From OMCR



1 2 3 1 2

SWCH

N(AS)

SWCH

N+4

(AS)

ConverterAlarms to

OSICPRCs

TerminationplugPresence toBCCPRCs

= From Plugs on own BPA

OSICPRCB

OSICPRCA

X.25

1 2

1 2 MMI

X.25

SYSCPRCB

1 2

1 2

1 2

1 2 MMI

X.25 1 2

BCCPRCA

NEQ

1 2 3

1 2 3

ConverterAlarm from

TSCAConverter

1 2

SYSCPRCA

= Alarm From TSCA Converter

CLKA CLKB

BCOA

BCOB

= To Clock and Alarm System

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

NEQ

SWCH N 8/9

BCCPRCB

BC-O : Broadcast-OutgoingNEQ : Not Equipped.

Figure 4: Common TSU Configuration

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1 Functional Units

1.4.2 Common TSU PBA Variants

The variants of the PBAs in the Common TSU are:

SYS-CPRC 3BK 06428 ACXX, fitted with CMFA daughterboard 3BK 06442 AAXX

3BK 06428 BCXX

OSI-CPRC 3BK 06428 ABXX, fitted with CMDA daughterboard 214 06960 AAAA

3BK 06428 BBXX, fitted with memory disk

BC-CPRC 3BK 06428 AAXX

3BK 06428 BAXX



1.4.3 Common TSU BPA

The BPA in the Common TSU is:

BPA-SYSA16 3BK 06444 AAAA

There are two BPAs in the Common TSU. The second BPA is for the TSC, (see

TSC (Section 1.7) ).There is only one Common TSU. For the number of PBAs and BPAs, refer tothe Introduction (Section 2.1) in BSC Configurations .

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1.5 DSNThe DSN is made up of SWCH PBAs.

The following sections show the DSN configuration for the various BSCconfigurations:

BSC Configuration 1 (Section 1.5.1)





BSC Configuration 6 (Section 1.5.6) .

In the figures, each control element is identified by a three-digit networkaddress.

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1.5.1 BSC Configuration 1

AS GS Stage 1 GS Stage 2

to Plane 1to Plane 2

to Plane 7

Plane 0

TSU03

TSU0CE


to Plane 7


to Plane 7

Plane 7

0

0

0

7

8

F

030 AB

031 AB

007 AB

000

001

AB

AB

CEs 006 and 007 are not equipped.

1

1 1

1

1 1

1 1

1

1

1

1

1 1

1 1 1 1

1 1

0

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

4

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

3

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1

1

1

1

7

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1

1

1

1

0

F

1

1

1

1

1 1

1

1

1

1

1 1

1

1

1

1

1

1

0

F

1

1

1

1

1 1

1

1

1

1

1

1

1

1 1

1

2

0

F

1

1

1

1

1

1

1

1 1

1

1

1

1

1 1

1

1

1

3

0

F

1 1

1

1

1

1

1

1

1

1 1

1

1

1

1

1 1

037 AB

Figure 5: DSN Configuration 1

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to Plane 7

Plane 0

TSU07

TSU0CE


to Plane 7

to Plane 2

to Plane 7


to Plane 7

Plane 7

137 AB

130 AB

131 AB

007 AB

000

001

AB

AB


0

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

0

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

4

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

1

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1

1

1

1

11

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1

1

1

1

15

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1

1

1

1

0

0

F

1

1 1

1

1

1

1

1

1

1

1 1

1

1

1

1

1

1

0

F

1

1 1

1

1

1

1

1

1

1

1 1

1

1

1

1

1

2

0

F

1

1

1

1

1 1

1

1

1

1

1

1

1

1

1

1

1

1

1

3

0

F

1 1

1

1

1

1

1 1

1

1

1

1

1

1

1

1

1

1

1

1 2 1

1 2

1 1


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to Plane 7

Plane 0

TSU07

TSU0CE


to Plane 7

to Plane 2

to Plane 7


to Plane 7

Plane 7

137 AB

130 AB

131 AB

007 AB

000

001

AB

AB


TSU11

to Plane 2

to Plane 7


to Plane 7237 A

B

230 AB

231 AB

0

0

7

8

F

1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1 1 2 1

0

0

7

8

F

1 1

1 1

1

1

1

1

1 1

1 1 1 1

4

0

7

8

F

1 1

1 1 1 1

1 1

1

1

1

1

1 1

1

0

7

8

F

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1 1 2 1

1 2 1

11

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

15

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1 1

2

0

7

8

F

1 2 1

1 2

1 2

1

1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1

19

0

7

8

F

1 1

1

1

1

1

1 1

1

1

1

1

1 1

1 1

23

0

7

8

F

1 1

1

1

1

1

1 1

1

1

1

1

1 1

1 1

1

1 2

1

1

1 2

1

1

1

0

0

F

1

1

1

1

1

1 1

1 1

1

1

1

1

1 1

1

1

0

F

1

1

1

1

1

1 1

1 1

1

1

1

1

1 1

1

6

0

F

1

1 1

1

1

1

1

1 1

1

1

1

1

1 1

1

7

0

F

1

1

1

1

1 1

1

1

1

1

1

1

1

1 1

1

1

1


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to Plane 7

Plane 0

TSU07

TSU0CE


to Plane 7

to Plane 2

to Plane 7


to Plane 7

Plane 7

137 AB

130 AB

131 AB

007 AB

000

001

AB

AB


TSU15

to Plane 2

to Plane 7


to Plane 7337AB

330 AB

331 AB

0

0

7

8

F

1 2 1

1 2 1 1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

0

0

7

8

F

1 1

1 1 1 1

1 1

1

1

1

1

1 1

4

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

11

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1 1

31

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

1

1 2 1

1 2

1 1

0

0

F

1

1 1

1

1

1

1

1 1

1

1

1

1

1 1

1

1

0

F

1

1 1

1

1

1

1

1 1

1

1

1

1

1 1

1

7

0

F

1 1

1

1

1

1

1 1

1

1

1

1

1

1

1

1

1

1

27

0

7

8

F

1 2 1

1 2

1 2

1

1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1

15

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1

1

1

1

6

0

F

1

1 1

1

1

1

1

1

1

1

1 1

1

1

1

1

1

1

0

7

8

F

1 2 1 1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1

3

0

7

8

F

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1 1 2 1

1 2 1


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to Plane 7

Plane 0

TSU07

TSU0CE


to Plane 7

to Plane 2

to Plane 7


to Plane 7

Plane 7

137 AB

130 AB

131 AB

007 AB

000

001

AB

AB


TSU19

to Plane 2

to Plane 7


to Plane 7437AB

430 AB

431 AB

0

0

7

8

F

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

0

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

4

0

7

8

F

1 1

1

1

1

1

1 1

1

1

1

1

1 1

1 1

11

0

7

8

F

1 2 1 1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1

39

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1 1

1

1 2 1

1 2

1 1

0

0

F

1

1 1

1

1

1

1

1

1

1

1 1

1

1

1

1

1

1

0

F

1

1

1

1

1 1

1

1

1

1

1 1

1

1

1

1

1

7

0

F

1

1

1

1

1 1

1

1

1

1

1

1

1

1 1

1

1

1

35

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1 1

15

0

7

8

F

1 2

1 2

1

1

1 2 1

1 2 1 1 2 1

1 2 1

1 2

1 2

1

1

6

0

F

1

1 1

1

1

1

1

1

1

1

1 1

1

1

1

1

1

1

0

7

8

F

1 2 1 1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1

4

0

7

8

F

1 2 1

1 2

1 2

1

1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1


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to Plane 7

Plane 0

TSU07

TSU0CE


to Plane 7

to Plane 2

to Plane 7


to Plane 7

Plane 7

137 AB

130 AB

131 AB

007 AB

000

001

AB

AB


TSU23

to Plane 2

to Plane 7


to Plane 7537 A

B

530 AB

531 AB

0

0

7

8

F

1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

1 2

1 2

1

1

1 2 1

0

0

7

8

F

1 1

1 1

1

1

1

1

1 1

1

1

1

1

1 1

4

0

7

8

F

1 1

1 1 1 1

1 1

1

1

1

1

1 1

11

0

7

8

F

1 1

1

1

1

1

1 1

1

1

1

1

1 1

1 1

47

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1 1

1

1 2

1

1

1 2

1

1

1

0

0

F

1

1

1

1

1

1

1

1

1 1

1

1

1

1

1 1

1

1

0

F

1

1

1

1

1

1

1

1

1 1

1

1

1

1

1 1

1

7

0

F

1

1

1

1

1

1

1

1 1

1

1

1

1

1 1

1

1

1

43

0

7

8

F

1 1

1

1

1

1

1 1

1 1 1 1

1 1

15

0

7

8

F

1 1 1 1

1 1

1

1

1

1

1 1

1 1

6

0

F

1

1 1

1

1

1

1

1 1

1

1

1

1

1

1

1

1

1

0

7

8

F

1 2 1

1 2

1 2

1

1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1

5

0

7

8

F

1 2 1 1 2 1

1 2 1

1 2

1 2

1

1

1 2 1

1 2 1


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1.5.7 Cross Links

Some switch ports can be used, but are not connected directly to a controlelement. In this case, cross links are added to these ports to allow them tobe initialized when power is applied. Table 2 lists the cross links required forconfigurations 1 and 2. Table 3 lists the cross links required for configurations

3, 4, 5 and 6.

From To

Cross-linkAddress Stage

SwitchElement Port Plane


0CC GS1 0 C 4 0 C 6

0CD GS1 0 C 5 0 C 7

88C GS2 0 8 4 0 8 6

88D GS2 0 8 5 0 8 7

Table 2: Cross Links - Configurations 1 and 2

From To

Cross-linkAddress Stage



88C GS2 0 8 4 0 8 6

88D GS2 0 8 5 0 8 7

8CC GS2 4 8 4 4 8 6

8CD GS2 4 8 5 4 8 7

Table 3: Cross Links - Configurations 3, 4, 5 and 6

When a second cabinet is added (configuration 3), all the GS1 cross-links areremoved. Additional GS2 cross-links are added.

1.5.8 DSN PBA Variants

The PBA variants are:

SWCH AS 3BK 07342 ABAA

SWCH GS 3BK 07342 AAAA


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1.5.9 DSN BPA

The BPA of the GSs (stages 1 and 2) is:

BPA-BGSA10 3BK 06456 AAAA

The numbers of DSN PBAs and BPAs depends on the configuration. Refer tothe Introduction (Section 2.1) in BSC Configurations .

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1.6 Clock and Alarm System

1.6.1 Clock and Alarm System Configurations

Figure 11 shows the configuration of the Clock and Alarm System in Cabinet A.

Figure 12 shows the Clock and Alarm System in Cabinets B and C (if fitted).

Inputs1 2 3 4 5 6

x erna a arms

5Inputs

5Extracted Reference Inputs Extracted Reference Inputs

BC ABC B

Status andControlto/fromDTCC

SYSBCLA A (Master)

Clock A Broadcast AClock A Clock B Broadcast BClock B

SYSBCLA B (Slave)

To Cabinet A

FromCabinet A

To CabinetB (if fitted)

Notconnected

Not

connected

DC/DC

Converter alarm toAbis TSU

Clock A Clock B Broadcast ARACKBCLA A (Master)

Clock Broadcast

Clock A Clock B Broadcast BRACKBCLA B (Slave)

ClockBroadcast


121 6 7 1 6 121 6 7 1 6

1 13 1 10 1 13 1 10

10 x (Clock + Broadcast)5 x Clock1 5 10 19

10 x (Clock + Broadcast)5 x Clock1 5 10 19

Not

connected

To CabinetC (if fitted)

Figure 11: Clock and Alarm System Configuration (Cabinet A)

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10 x (Clock + Broadcast)5 x Clock

1

FromCabinet A


13 1 10 1 13 1 10

1 5 10 1910 x (Clock + Broadcast)5 x Clock

1 5 10 19

DC/DC

Converter alarm toAbis TSU

Clock A Clock B Broadcast A

RACKBCLA A (Master)Clock Broadcast

Clock A Clock B Broadcast B

RACKBCLA B (Slave)Clock Broadcast

Figure 12: Clock and Alarm System Configuration (Cabinets B and C)

1.6.2 Clock and Alarm System PBA Variants

The variants of the PBAs in the Clock and Alarm System are:

SYS-BCLA 3BK 06434 AAXX, 75 Interfaces

SYS-BCLA 3BK 06434 ABXX, 120 Interfaces

RACK-BCLA 3BK 06434 ACXX


1.6.3 Clock and Alarm System BPAThe BPA of the Clock and Alarm System is:

BPA-BSCL06 3BK 06452 AAAA

The number of the Clock and Alarm System PBAs and BPAs depends on theconfiguration. Refer to the Introduction (Section 2.1) in BSC Configurations .

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1.7 TSC

1.7.1 TSC Configuration

LAPD

Qmux R 1AQmux R 1BQmux R 2AQmux R 2BQmux R 3A

Qmux R 3B

Qmux L 4A

Qmux L 4B

MMI

ConverterAlarm to

OSICPRs

TSCA

DC/DC

Figure 13: TSC Configuration

1.7.2 TSC PBA Variants

The variants of the PBAs in the TSC are:

TSCA 3BK 06440 AAXX


1.7.3 TSC BPA

The BPA in the TSC is:

BPA-SYSB06 3BK 06446 AAAA

1.7.4 TSC Quantities

The number of the TSC PBAs and BPAs depends on the configuration. Refer to

the Introduction (Section 2.1) in BSC Configurations .

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2 BSC Configurations


This chapter describes the BSC Configurations at the cabinet and subrack level.

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2.1 IntroductionThere are six BSC configurations. Each configuration is fixed with regard to thenumbers of cabinets, TSUs, PBAs and BPAs (see Table 5 ). Configuration 1is the minimum configuration. Configuration 2 is the first extension step.It is created by extending Configuration 1 with an extension kit. Similarly,Configuration 3 is created by extending Configuration 2 with an extension kit.The other configurations are created in a similar way.

2.1.1 Configuration-Independent Capacities and Dimensioning

Some capacities and dimensioning requirements are independent of theBSC configurations. The table below lists these capacities and dimensioningrequirements.

Capacity or Dimensioning Item Quantities

Transceiver Equipment with Full-Rate Frame Unit per

TCU or Radio signaling Link per TCU.

4

TRE with Dual Rate Frame Unit per TCU. 2

TRE per BTS Equipment. 12

HDLCs (High Level Data Link Controllers) per TCU. 6

Cells or Sectors per BTS Equipment. 6

Transceivers per Cell. 16

BTS Equipment per TCU. 3

Cells or Sectors per TCU. 4

Maximum number of signaling Connection Control PartConnection per BSS Application Part Control Element.

128

Frequency Hopping Sequence Identifiers. 1056

Adjacent Cells (see Note). 3500

Adjacencies (see Note). 5400

Table 4: Configuration-Independent Capacities and Dimensioning

Note: An Adjacent (or Neighboring) Cell is any cell known to the BSC. This includesits own cells and those of other BSCs to which handovers are made, or received.

Adjacencies are pairs of cells which have borders. Two adjacent cells, A and Bhave two adjacencies, A-B and B-A. Three adjacent cells, A, B and C havesix adjacencies, A-B, A-C, B-A, B-C, C-A and C-B.

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2.1.2 Configuration-Dependent Capacities and Dimensioning

The quantities of each type of TSU, PBA and BPA depend on the BSCconfiguration.

The table below lists, for each configuration, the:

Number of cabinets

Capacity

Number of TSUs, PBAs and BPAs.

The table also lists the reference numbers and variants of the PBAs and BPAs.

Cabinets/Capacity/TSU/PBA/BPA Configuration

- 1 2 3 4 5 6

Cabinets

Cabinets 1 1 2 2 3 3

Capacity

Full-Rate TRXs 32 128 192 288 352 448

Dual Rate TRXs 16 64 96 144 176 224

Cells or Sectors 32 120 180 240 264 264

Full-Rate BTS Equipment 24 96 144 216 255 255

Dual Rate BTS Equipment 16 64 96 144 176 224

Traffic Capacity in Erlangs 160 576 960 1152 1500 1900

TSUs

Common 1 1 1 1 1 1

Abis 1 4 6 9 11 14

Ater 2 3 5 6 8 9

PBAs

CPRC-SYS, 3BK 06428 ACXX, with CMFA3BK 06442 AAXX

2 2 2 2 2 2

CPRC-OSI, 3BK 06428 ABXX, with CMDA214 06960 AAAA

2 2 2 2 2 2

CPRC-BC, 3BK 06428 AAXX 2 2 2 2 2 2

TCUC, 3BK 06430 AAXX 8 32 48 72 88 112

DTCC, 3BK 06432 AXXX 16 24 40 48 64 72

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Cabinets/Capacity/TSU/PBA/BPA Configuration

- 1 2 3 4 5 6

ASMB,

3BK 06438 AAXX (75 , Standard)or ABXX (120 , Standard)

or ACXX (75 , TBR13)

or ADXX (120 , TBR13)

4 6 10 12 16 18

BIUA, 3BK 06436 AAXX (75 )

or ABXX (120 )

1 4 6 9 11 14

SYS-BCLA, 3BK 06434 AAXX (75 )

or ABXX (120 )

2 2 2 2 2 2

RACK-BCLA, 3BK 06434 ACXX 2 2 4 4 6 6

SWCH AS, 3BK 07342 ABAA 8 16 24 32 40 48

SWCH GS 3BK 07342 AAAA (stage 1) 8 16 24 32 40 48

SWCH GS, 3BK 07342 AAAA (stage 2) 32 32 64 64 64 64

TSCA, 3BK 06440 AAXX 1 1 2 2 3 3

DC/DC, 3BK 07344 AAXX 13 17 30 34 42 47

BPAs

BPA-ABIS16, 3BK 06448 AAAA 3 3 6 6 9 9

BPA-GBIS16, 3BK 06932 AAAA 1 1 2 2 3 3

BPA-ATER16, 3BK 06450 AAAA 3 3 6 6 9 9

BPA-SYSA16, 3BK 06444 AAAA 1 1 2 2 3 3

BPA-BGSA10, 3BK 06456 AAAA 5 5 10 10 15 15

BPA-BSCL06, 3BK 06452 AAAA 1 1 2 2 3 3BPA-SYSB06, 3BK 06446 AAAA 1 1 2 2 3 3

Table 5: Fixed BSC Configurations

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The configurations are also identified according to the number of TCUC andDTCC PBAs (see table below).

BSC Name No. of TCUs No. of DTCs Configuration

BSC 8/16 8 16 1

BSC 32/24 32 24 2

BSC 48/40 48 40 3

BSC 72/48 72 48 4

BSC 88/64 88 64 5

BSC 112/72 112 72 6

Table 6: Alternative Method of Identifying Configurations

There are two options for each configuration as follows:

The impedance of the Abis and Ater Interfaces can be 75 or 120

The power supply can be 3-wire or 2-wire.

These options mean that there are four subtypes for each basic configurationas follows:

75 , 2-wire

75 , 3-wire

120 , 2-wire

120 , 3-wire.

Note: The mixing of 75 and 120 Interfaces is not possible.

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2.2 BSC Configuration Cabinet LayoutsThis section describes the cabinet layouts of the BSC with regard to thesubracks and the TSUs. A figure is provided for each configuration.

2.2.1 Configuration 1

The figure below shows the layout for Configuration 1.

Air Baffle

Ater TSU2

BCLAAbis TSU1

COMMONTSU0

GS2

X4

020 ... 027 030 ... 037

010 ... 017

000 ... 007

1

GS22

GS23

Ater TSU3

GS1

0

GS20

Empty Empty

Empty Empty

Figure 14: Configuration 1, Cabinet A Layout


The figure below shows the layout for Configuration 2. This is the first extensionstep.

Air Baffle

Ater TSU2

BCLAAbis TSU1

COMMONTSU0

GS2

X4

020 ... 027 030 ... 037

010 ... 017

000 ... 007

1

GS22

GS23

Ater TSU3

GS1

0

GS20

Ater TSU6120 ... 127 130 ... 137

Abis TSU7

Abis TSU4100 ... 107

Abis TSU5110 ... 117

TSC

GS1

1

GS1

1

GS1

1

GS1

1

Figure 15: Configuration 2, Cabinet A Layout

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The figure below shows the layout for Configuration 3. This is the secondextension step.

Air Baffle

Ater TSU10

BCLAAbis TSU9

GS2

X2

220 ... 227 230 ... 237

210 ... 217

200 ... 207

5

GS2

6

GS2

7

Ater TSU11

GS1

2

GS24

Abis TSU8

Empty Empty

Empty Empty

Air Baffle

Ater TSU2

Abis TSU1

COMMONTSU0

GS2

4X

020 ... 027 030 ... 037

010 ... 017

000 ... 007

1

GS2

2

GS2

3

Ater TSU3

GS1

0

GS20

Ater TSU6120 ... 127 130 ... 137

Abis TSU7

Abis TSU4100 ... 107

Abis TSU5110 ... 117

TSC

GS1

1

GS1

1

GS1

1

GS1

1

BCLA

Figure 16: Configuration 3, Cabinets A and B Layout


The figure below shows the layout for Configuration 4. This is the thirdextension step.

Air Baffle

Ater TSU10

BCLAAbis TSU9

GS2

X2

220 ... 227 230 ... 237

210 ... 217

200 ... 207

5

GS2

6

GS2

7

Ater TSU11

GS1

2

GS24

Abis TSU8

Abis TSU12

300 ... 307 310 ... 317

Abis TSU13

Ater TSU14

320 ... 327 330 ... 337

Abis TSU15

Air Baffle

Ater TSU2

Abis TSU1

COMMONTSU0

GS2

4X

020 ... 027 030 ... 037

010 ... 017

000 ... 007

1

GS2

2

GS2

3

Ater TSU3

GS1

0

GS20

Ater TSU6

120 ... 127 130 ... 137

Abis TSU7

Abis TSU4

100 ... 107

Abis TSU5

110 ... 117

TSC

GS1

1

GS1

1

GS1

1

GS1

1

BCLA

Figure 17: Configuration 4, Cabinets A and B Layout

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The figure below shows the layout for Configuration 5. This is the fourthextension step.

Air Baffle

Ater TSU10

Abis TSU9

GS2

X2

220 ... 227 230 ... 237

210 ... 217

200 ... 207

5

GS2

6

GS2

7

Ater TSU11

GS12

GS24

Abis TSU8

Abis TSU12

300 ... 307 310 ... 317

Abis TSU13

Ater TSU14

320 ... 327 330 ... 337

Abis TSU15

BCLA

Air Baffle

Ater TSU2

Abis TSU1

COMMONTSU0

GS2

4X

020 ... 027 030 ... 037

010 ... 017

000 ... 007

1

GS2

2

GS2

3

Ater TSU3

GS10

GS20

Ater TSU6120 ... 127 130 ... 137

Abis TSU7

Abis TSU4100 ... 107

Abis TSU5110 ... 117

TSC

GS11

GS11

GS1

1

GS1

1

BCLA

Air Baffle

Ater TSU18

BCLAAbis TSU17

Empty

X2

420 ... 427 430 ... 437

410 ... 417

400 ... 407

Empty Empty

Ater TSU19

GS14

Abis TSU16

Empty Empty

Empty Empty

Figure 18: Configuration 5, Cabinets A, B and C Layout


The figure below shows the layout for Configuration 6. This is the fifth extensionstep.

Air Baffle

Ater TSU10

BCLAAbis TSU9

GS2

X2

220 ... 227 230 ... 237

210 ... 217

200 ... 207

5GS2

6GS2

7

Ater TSU11

GS1

2

GS2

4

Abis TSU8

Abis TSU12

300 ... 307 310 ... 317

Abis TSU13

Ater TSU14320 ... 327 330 ... 337

Abis TSU15

Air Baffle

Ater TSU2

Abis TSU1

COMMONTSU0

GS2

4X

020 ... 027 030 ... 037

010 ... 017

000 ... 007

1

GS22

GS23

Ater TSU3

GS1

0

GS2

0

Ater TSU6120 ... 127 130 ... 137

Abis TSU7

Abis TSU4100 ... 107

Abis TSU5110 ... 117

TSC

GS11

GS11

GS1

1

GS1

1

BCLA

Air Baffle

Ater TSU18

BCLAAbis TSU17

Empty

X2

420 ... 427 430 ... 437

410 ... 417

400 ... 407

Empty Empty

Ater TSU19

GS1

4

Abis TSU16

Ater TSU22 Abis TSU 23

Abis TSU 20 Abis TSU 21

500 ... 507 510 ... 517

520 ... 527 530 ... 537

Figure 19: Configuration 6, Cabinets A, B and C Layout

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