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SPP-43, A925 Transcoder

File Reference Edition Status Date PageAlcatel A70457A1.doc V7 8BL 00704 0057 DRZZA 01 Released 00/03/22 1/30

All rights reserved. Passing on and copying of this document, use and communication of its contents not permitted without written authorization from Alcatel

all-in-One Alcatel Service (SM) for Mobile Operators

AlcatelGSM 900/1800/1900

OEM Product Engineering

SPP- 43

Specification for Site PreparationA925 Transcoder

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Contents

Contents

Preface ................................................................................................. 3

1. Customer or Operator Services..................................................... 6

2. Alcatel Services............................................................................... 8

3. General specifications of product ............................................... 10

4. Site preparation and supply requirements for Customer or Operator ............................................................................................. 15

5. Installation and supply requirements for Alcatel ....................... 24

Appendix A: Installation help: Site cabling raised floor configuration with 1 A925 TC rack, 1 power supply, 1 DDF, 1PC tool, 1 ground plate ..................................................................... 26

Appendix B. Installation help: Site cabling cable trayconfiguration with 2 x A925 TC racks, 2 power distributionbox, 2 DDF, 1 PC tool, 1 OMC-R, X25 switch, 1 ground plate ........ 28

Abbreviations .................................................................................... 30

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Preface

PrefacePurpose The document defines the conditions regarding site preparation, for installing

EVOLIUM A925 Transcoder and activities to be handled by Customers and

Alcatel Services .

Generaldescription of

product

The EVOLIUM A925 Transcoder is connected to BSC or MFS with Ater-

mux interfaces and to MSC with A interfaces. With this standard A interface, Alcatel supports the ETSI standardisation process, allowing an operation in amulti-vendor environment.

The new A925 Transcoder, compared to the previous generations, allows therack sharing between several BSC.

The basic function of the EVOLIUM A925 Transcoder is to transform the 64

kbit/s user traffic, as defined in the fixed network, into a 16 kbit/s GSM signalformat with reduced bandwith.

The EVOLIUM A925 Transcoder has been designed in a modular way,

permitting flexible extensions. Investment can therefore be optimised bypurchasing and deploying the configuration, best suited to the networktopology.

The EVOLIUM A925 Transcoder is a modular part of the ALCATEL900/1800/1900 BSS.

Handover of site For documents relating to handover of RCD site before installation of RCDequipment see SPG-07.

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Preface

All-in-One Alcatel Service (SM) for Mobile Operators.

This document is used by Survey Premier module.

History

Date Edition Comments

00/03/22 01 Released. Remarks from G. Crassin, J. Fischle, G.Lefebvre, D. Renaudeau.

00/03/10 01 Second proposal. Remarks from G. Crassin, D. Crehan,JP. Degremont, K. El Naggar, G. Lefebvre, D.Renaudeau. Introduction of X25 switch.

00/01/13 01 Creation , first proposal

Audience Alcatel Staff (Intermediate level)

Installers Customer and Alcatel services

Assumedknowledge

You must have a basic understanding of the following

BSS Alcatel operations Site Engineering methods

Relateddocuments

Sigle Title of document Alcatel number

SPG-07 Specification of documents relating tohandover of RCD site before installationof RCD equipment

8BL 00703 0006 DRAGA

SPG-10 All-in-One Alcatel Service for SiteEngineering.

8BL 00703 0010 DRZZA

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Preface

DocumentStructure

This section provides a summary of the contents of every chapter.

Chapter 1 : Customer or Operator Services

Chapter 2 : Alcatel Services

Chapter 3 : General specifications of product

Chapter 4 : Site preparation and supply requirements for Customer or

Operator

Chapter 5 : Installation and supply requirements for Alcatel

Appendix A : Installation help, site cabling raised floor configuration with 1 A925

TC rack, 1 power supply, 1 DDF, 1 PC tool, 1 ground plate

Appendix B : Installation help, site cabling cable tray configuration with 2xA925TC racks, 2 power distribution box, 2 DDF, 1 PC tool, 1OMC-R, X25 switch, 1ground plate

Abbreviations : Acronyms encountered within the document .

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Chapter 1: Customer or Operator Services

1. Customer or Operator Services

This chapter describes the services to be supplied by Customers or Operators.

1.1 - Services to be performed.

1.2 - Services not treated.

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Chapter 1: Customer or Operator Services

1.1 - Services to beperformed

The customer or operator is responsible for choosing the site and for allpreparation work. The main services are as follows:

Site

(all-in-One Service : Environment)

Preparation of site. (refer to SPG-10)

Qualification and checking


Power supply

Earth

Qualification and checking

(all-in-One Service : Cable)

PCM links

Main supplies


Lighting

Circuit breaker

Lightning protection

Power distribution box : 48 or 60 V and 220VAC

Ground bar/plate

Main supplies


DC power and ground cable

Cable way runs from the infrastructure to each TC

PCM network termination (NTL) upline if necessary

PCM distributor (DDF)

Installation


Of main supplies, (all-in-One Service: Environment )

Installation


Of main supplies, (all-in-One Service: Cable )

1.2 - Services nottreated

All services not provided by Customer or Operator shallbe treated as additional Alcatel services.

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Chapter 2: Alcatel Services

2. Alcatel Services

This chapter describes the services to be supplied by Alcatel.

2.1 - Services to be performed

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Chapter 2: Alcatel Services

2.1 - Services to beperformed

Alcatel installs the rack . The main services are listed hereafter:

Supplying installation kits

(All-in-One Service: Assemble )

Basic installation kit.

PCM cable from Alcatel equipment to DDF, optional.

Power and ground cables, optional.

X21 cable for X25 extraction in case of collocated OMC-R.

DDF (contact to insert), optional.

Installation

(All-in-One Service: Assemble )

Installation of A925 TC rack.

Installation of PCM cable.

Installation of power and ground cable cables, optional.

Installation of DDF, optional.

Commissioning

(All-in-One Service:Commissioning )

Commissioning of A925TC.

Acceptance of A925TC.

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Chapter 3: General specifications of product

3. General specifications of product

This chapter describes the general specifications of product about sitepreparation to install the product .

3.1 - Short description of product

3.2 - Environmental specifications

3.3 - Dimensions and weight specifications

3.4 - Consumption specifications

3.5 - Clearance recommendations

3.6 - Lightning and over voltage protection on equipment specifications

3.7 - X21 interface

3.8 - 2 Mbit/s connections specifications

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3.1 - Shortdescription of

product

A925 Transcoder consists of a single 19 rack. The rack contains four

subracks, each fitted with up to three fans cassette units.Front and rear doorsare perforated to provide sufficient air flow inside the rack for temperaturecooling.

Each subrack can be equipped with up to 12 x MT120 boards. Each MT120board offers an A ter-mux connection to a BSC and up to 4 A interfaces to theMSC.

The rack is fixed on the floor or on raised floor.

The additional TC rack is mounted on the right side of the previous one.

All external cables are connected through top or bottom of the rack.

A925 Transcoder is connected to DC power supply with four wires (0V, 2 x -48V/60V, electrical ground) on top of rack. Each rack must be poweredseparately with two circuit breakers (BAT A and BAT B).

The rack is delivered and packed horizontally or vertically with lifting lugs. Inthis case room entrances for equipment hoisting must be carefully studied.

3.2 -Environmentalspecifications

The environmental conditions define the climatic requirements (air temperature,humidity, etc.) that apply to the unit in normal storage and operation. They alsospecify requirements concerning contaminating products and electromagneticconsiderations.

Climatic requirements The EVOLIUM A925 Transcoder is compliant with thefollowing requirements:

- For storage ETS 300 019-1-1 class 1.1

Conditions are valid for the non-packed equipment(rack). Icing and frosting are not allowed.

- For operation ETS 300 019-1-3 class 3.1

Heat and solar radiation are not allowed.

Acoustic noise Compliant to ETS 300 753 : Acoustic noise emitted byTelecommunication equipment

Electromagnetic environment Compliant to ETS 300-386-1, edition October 1994, for equipment in telecommunication centres and high priority of service

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Environmental conditions for EVOLIUM A925 Transcoder (ETS 300 019)

Environmentalparameter

Unit Oper.-1-3class 3.1

Stor.-1-1class 1.1

Low air temperature C +5 -5

High air temperature C +40 +45

Relative humidity % 5 5

High relative humidity % 85 95

Low absolute humidity g/m 1 1

High absolute humidity g/m 25 29

Low air pressure kPa 70 70

High air pressure kPa 106 106

Sand mg/m 30 30

Dust (suspension) mg/m 0.2 0.2

Dust (sedimentation) mg/(mh) 1.5 1.5

Stationary vibration,sinusoidal:

- Peak-displacementamplitude

mm 0.3 1.5

- Peak-acceleration

amplitude

m/s 2 1 5

- Frequency range Hz 2 to 9 9 to200

2 to 9 9 to200

Non-stationary vibrationincluding shock:- Shock-response

spectrum type L, peakacceleration

m/s 40 40

- Shock-responsespectrum type II, peak

acceleration

m/s --- ---

3.3 - Dimensionsand weight

specifications

Standard 19 rack with EMC protection.

Back and front access by locked doors.

TC rack

Width (mm) 600

Total height (mm) 2000

Useful height (U) 40

Depth (mm) 600

Max. weight (kg) 250 (fully equipped)

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3.4 - Consumptionspecifications

Per rack, fully equipped.

Maximum power consumption 2500 W

Consumption under -38,4VDC (-48VDC voltage) 65A

Consumption under -48VDC (-60VDC voltage) 52A

Maximum power dissipation 2500 W

3.5 - Clearance

recommendations

Sufficient clearance must be allowed for handling, maintenance and inspectionprocedures, and for equipment cooling purposes. In particular, there must besufficient clearance at the front and at the rear to allow the handling(approximately 1000 mm).

At top: 250 mm minimum

If the unit is installed in an enclosed space, such as a cabinet, a technicalclosure, etc., sufficient space must be allowed for circulation of the air.

3.6 - Lightning andover voltage

protection onequipment

specifications

The lightning protections on external interfaces are not implemented in the A925TC

DC lightningprotection

Not necessary.

PCM lightningprotection

If necessary, must be installed at the DDF by Customer.

3.7 - X21 interface These link is applicable if the A925TC and the OMC-R are co-located.

X21 link, length of cable from A925TC to OMC-R max. 30m

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3.8 - 2 Mbit/sconnection

specifications

On TC , PCM lines are:- 120 Ohms : 8 pairs arranged as four twisted quad from copper line L907 type.

75 Ohms: 8 coaxs from coaxial cable FLEX3 type.

On DDF side these cables can be inserted on terminal block (120 or 75 Ohms).

120 Ohms: The distance from TC to NTL is depending on selected cable andNTL type. Generally, with G.703 Abis interface, with 40 dB sensitivity, themaximal distance is 250 m for L907 .

Recommended distance between DDF and A925TC = 20m.

Nber of Ater-mux interfaces = nber of MT120 boards.

Nber of A interfaces = 4 x nber of MT120 boards .

Rack fully equipped

Maximum capacity : A links 192

Maximum capacity : Atermux links 48

8 pairs or 8 coaxs, Specification of 2 Mbit/s cable

Networkimpedance

Type of cable Connection DDF siderecommended

120 OhmsL 907 / 8 pairs / 4 twisted quads

Core: copper = Diam. 0,5 mmJacket = Diam. 7.8 mm

Inserting

75 Ohms

FLEX3 / 8 coaxCore and drain : copper = Diam. 0,4 mm

Insulation = Diam. 2 mmSheath = Diam. 3,55 mmJacket = Diam. 16.1 mm

Inserting

Number of multi PCM cables

2 Mbit/s cable type Nber of cable, per subrack

Nber of cable, per rack

L907 / 8 pairs 16 16 x 4 = 64

FLEX 3 / 8 coaxs 16 16 x 4 = 64

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Chapter 4: Site preparation and supply requirements for the Customer or the Operator

4. Site preparation and supply requirements for Customer or Operator

This chapter describes the requirements of product about site preparation andsupplies provided by Customer or Operator.

4.1 - Site safety requirements

4.2 - Main supplies provided by Customer

4.3 - Site infrastructure requirements

4.4 - Cable way requirements

4.5 - Computer requirements

4.6 X21 connection requirements

4.7 X25 switch requirements

4.8 - Power system requirements

4.9 - Leased line requirements

4.10 - DDF requirements

4.11 - Site information requirements

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Chapter 4: Site preparation and supply requirements for Customer or Operator

4.1 - Site safetyrequirements

Compliant with IEC 950 (EN60950) for equipment located only in restrictedaccess locations.

On the site, the current safety instructions must be strictly followed andhazardous points must be marked. The inspectors must make sure that signsare posted with the telephone number of emergency medical assistance in theevent of electric shock.

Displacement of equipment (transport, handling, or hoisting) must not endanger either personnel or equipment near-by.

A smoke detector and a fire extinguisher system are recommended.

A fire detection system is recommended for indoor sites. Failing this, a CO 2 fire

extinguisher must be present and clearly marked in the room where theequipment is to be installed.

4.2 - Main suppliesprovided by

Customer or Operator

See chapter 1: Customer or Operator Services:

Main supplies (all-in-One Service: Environment )

Main supplies (all-in-One Service: Cable )

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4.3 - Siteinfrastructurerequirements

The site shall be handed over with the leased lines in operation.

Accessibility The client shall provide the site (in which the equipment is

to be installed) with hoisting and handling devices to easedelivery of the equipment . If not, the costs incurred by theinstaller will be added to the installation costs and chargedto the client.

The entrances to the buildings must be large enough totransport the racks in an upright position (see: Dimensionsand weight specifications)

Access to the sites must be facilitated:- either by the presence of a local correspondent duringdelivery, assembly/wiring, and initial start-up of theequipment,- or by obtaining a set of duplicate keys to the sites prior tothose operations.

Service facilities A set of furniture is provided, in sufficient quantity, as part of preparation of the room: at least 1 table and 2 chairs, (workspace for the operating terminals).

One or two phone lines are needed for the periods of installation and initial start-up of the equipments.

Ceiling The ceiling height must be greater than or equal to 2.5 m.

Floor The floor must be able to bear a load of 500 kg/m 2.

It must be able to withstand a momentary load of 250

kg/100cm and puncture-resistant to 30 kg/cm2.

The floor must be level and smooth. The difference in levelmust be lower than or equal to 0.5 cm/m.

The rack and his extension are fixed and stand onadjustable lifting screws.

Distance constraints Various clearance spaces must be provided for maintenance and inspection operations and equipmentventilation.

High voltage protector The external ports of the equipment (power supply, lines,etc.) should be protected

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Environment of the equipment Cable are fed in through the top or the botom of the rack.

The cables from DC distribution box to TC equipmentshould not exceed 20 meters with 16mm 2 power cable and40 meters with 35mm 2 power cable.

The cables from DDF to TC equipment must not exceed20m

Lighting and wall sockets The lighting in the room must have an intensity of 300 Luxat 1 m above the floor. No more than 500 Lux.

The lamps should be of the electronic ballast type.

A "home-purpose" wall socket network must be providedwith the room (one socket about every 3 m; 2 poles andground, 16 A).

Sockets providing a 220 V emergency backup source mustbe provided for the operating equipment (LMT, switch X25).

4.4 - Cable wayrequirements

A cable way (cable tray or wire mesh) should be installed at a height of a least250mm above top of rack to support the cables.

A cable way (with width 508 mm) from A925TC to DDF and power distributionbox should be provided. This cable way can be reserved for one TC rack and

should be separated in two parts: power cables (width 108 mm) and 2 Mbit/scables (width 400 mm). Two holes should be foreseen inside cable ways:

- for 2 Mbit/s cables (l:600 mm x d:60 mm) centred on the rear of racktop.- for power cables (l:100 mm x d:40 mm) centred on the right side racktop.

When using existing cable trays, various electrical systems (power, signals)should be kept apart. If no partitioning is possible, a new cable tray will beinstalled along the former at a 30 cm space to avoid interference.

One wire braid (earth shielding) 16 mm per rack with side rack a lug D6mm should be provided. (length depending of height of cable way).

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4.5 - Computer requirements

LMT computer (labtop) is optional, but necessary during the installation. Length of cables from A925TC to LMT terminal shall not exceed 15 meters.

Dimensions (mm): (Width x Depth x Height) ; 300 x 300 x 400 Maximum weight (kg): < 5 kg Maximum power cosumption : 110-220VAC / 50Hz ; 100W Gauge (A): earth leakage protection 30mA, 6A. Clearance: Side clearance = 0,7 m (only one side is necessary)

Front clearance = 1 mRear clearance = 0,2 m

4.6 - X21connection

requirements

If OMC-R collocated

Depending of the number of BSC connected to the A925TC.

Signal type Number Length

X21 2 per BSC max. 30 m

4.7 X25 switchrequirements

If more than one BSC are connected to the A925TC, the use of a X25 switch ismandatory for OMC-R connection. Length of cables from A925TC to X25 switchshall not exceed 30 meters.

X25 switch recommended: 36110- 20 MainS t ree t Maximum number of ports : from 2 to 20 lines Dimensions (mm): (Width x Depth x Height) ; 440 x 340 x 140

- Rack- mountable option available- For 19 inchs rack mounting: 3 units

Maximum weight (kg): 9 to 12 kg Maximum power cosumption : 110-240VAC / 50-60Hz ; < 100W Gauge (A): earth leakage protection 30mA, 6A. Operating environment: 5 to 40 C; 20% to 80% relative humidity, non

condensing. Clearance: Side clearance = 0,7 m (only one side is necessary)

Front clearance = 1 mRear clearance = 0,7 m

Safety standards compliance : EN 60950; UL 950; CSA 950. EMC standards compliance : EN 50022-B; EN 50082-A; FCC Class A

Part 15.

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4.8 - Power systemrequirements

The customer shall install all cables at the position of first rack.

Power supply system The TC power plant should include standard backupbatteries for emergency power.

The TC can be powered either -48VDC or -60VDC nominalvoltages:

- -48VDC, nominal range: -38,4VDC to 57,6VDC- -60VDC, nominal range: -48VDC to 72VDC

Each TC rack must operate with two - 48V/60V (BATA/BAT B) wires with redundancy between the two andone 0V (BATRET) wire.

A power distributing box must be provided as part of theroom preparations. It must include marked fuses for eachoutput, and a grounding bus bar for the power cables. Thebox or power station must be marked.

Power cable recommended Lugs are necessary at cable end on TC side.

Double sheathing. Multi strand flexible copper core. Strandcomposition 0,41 mm max. class 5 (IEC 60 228) .

Cable type to be compliant with local legislation andstandard for electrical installation in technical site.

4 cables per TC rack are necessary :

Signal Section of cable for oneTC rack

Length

48 or 60 V DC, A 16 mm / 35 mm 20 m / 40 m

48 or 60 V DC, B 16 mm / 35 mm 20 m / 40 m

0V DC 16 mm / 35 mm 20 m / 40 m

Ground 16 mm / 35 mm 20 m / 40 m

Distribution box The distribution should be define for using lugs of system 8mm for BAT RET (0V), 8 mm for BAT A / BAT B(-48/60V), 8 mm for electrical earth.

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Breakers recommendations The customer provides the following gauges (with lightningprotection if necessary):

- The gauges should be calculated to operate withETS300132-2 standard (-40,5VDC).

- The gauges are only on BAT A and BAT B wires.- On first approach, the gauge is calculated like:

I max. + 1/3 I max. (Imax at 38,4VDC or 48VDC)

It is wished to put the gauge in agreement with the final A925TC configuration to avoid an interruption of service

during an extension.

Gauges estimated withstandard values

Number of fuses per A925TC 2 (BAT A and BAT B)

48VDC voltage 60VDC voltageGauge (A) for each rackfully equipped

80 A 63A

Grounding distribution A ground plate directly connected to the ground box of thebuilding must be available in the room.

The grounding system is composed of a metallic groundingnetwork, formed of iron flooring .The grounds arerespectively connected to grounding plate, and to themetallic ground of the power distributing box.

The ground wire circuit resistance must be less than 3Ohms

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4.9 - Leased linerequirements

The following shall also be handed over:

a diagram of the distribution frame, identifying the lines, a wiring diagram,

the technical and commercial references of each line,

the lines connected to the line terminal blocks,

the looped Tx/Rx lines on the cable side in the GSM room,

the quality tested lines of the local GSM distribution frame to the remote GSMdistribution frame.

4.10 - DDFrequirements

The Digital Distribution Frame should have terminal blocks for inserting cable:

- L907 for 120 Ohms copper, D : 0,5 mm- Flex 3 for 75 Ohms copper, D : 0,4 mm

The equipment terminal block must be remote of customer terminal block(DDF) at maximum 1m.

The customer must indicate to Alcatel the connector type equipment terminalblock (only for 2Mbit/s cables 75 Ohms).

The pins of terminal block to wrap, 120 Ohms supplied by the customer musthave a diameter between 1 and 1,5 mm

The DDF should be foreseen for one A925TC rack (each rack has 192 A and48 Ater-mux links: 64 terminal blocks 10 pairs)

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4.11 - Siteinformation

requirements

The customer shall produce an overall drawing for each unit site.

General site informationrequirements

The drawing shall be submitted to Alcatel, after the initialsite inspection, or in preliminary project documentationconcerning the site supplied by the customer.

The drawing shall indicate the position of the unit with itsconnections, relative to a reference point.

The GSM site data sheet must be completed based on dataprovided by the client or during site inspection.

The GSM site information procedure document (seedocument SPG-07) should be completed by the customer or during a site inspection visit with Alcatel.

PCM site informationrequirements

The operator shall hand over to the constructor, with thepreliminary study document or on the occasion of the siteinspection:

A drawing of the distribution frame locating the links withtechnical and commercial numbers of each link.

The links with transmit/receive loops set up on the cableside at the unit.. Links qualified as far as the unit.

Layout The client shall draw up a layout map for each site. Thatmap will indicate the location of:

- racks,- power supplies,- air-conditioning system,- cable ways,- collector rod system,- grounding plate,- distribution frame

(positioning of the terminal blocks),- furniture for the operating and maintenance tools.

That plan is submitted to the manufacturer, either after aninitial inspection of the site or in a preliminary project file for

the site provided by the client.

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Chapter 5: Installation and supply requirements for Alcatel

5. Installation and supply requirements for Alcatel

This chapter describes the requirements about installation and suppliesprovided by Alcatel.

5.1 - Installation

5.2 - Supplies

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Chapter 5: Installation and supply requirements for Alcatel

5.1 - Installation The main services are as follows:

Fitting of A925TC system The services provided are:

- Preliminary preparation.- Rack installation.- Power supply cables installation.- PCM cables installation.- X21 connection cables installation.- Finishing installation.

and are detailed in ALCATEL documents:A925TC / Installation manual: 3BK 17251 0001 RJZZA

Commissioning of A925TCsystem

A925TC powering up and running in accordance with ALCATEL documents:

Commissioning manual: 3BK 17251 0002 RJZZA

Acceptance of A925TC system Customer agrees that A925TC has been installed,commissioned and is running in accordance with ALCATELdocuments:

Acceptance manual: 3BK 17251 0004 RJZZA

5.2 - Supplies Alcatel provides:

Mandatory Installation kit to install A925TC system.

Optional 2 Mbit/s cables

X21 cables

DDF

Power cables

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Appendix A: Installation help: Site cabling raised floor configurationwith 1 A925 TC rack, 1 power supply, 1 DDF, 1 PC tool, 1 ground plate

Appendix A: Installation help: Site cablingraised floor configuration with 1 A925 TC rack,1 power supply, 1 DDF, 1 PC tool, 1 ground plate

T X -

A t e r

R X -

A t e r

C u s

t o m e r

D D F

E q u

i p m e n

t

D D F

P o w e r

c a b l e s

R X -

A

T X -

A

2 0 0 0 m m ( 4 0 U )

G r o u n

d

P l a t e

A C

B o x

2 2 0 V

W i r e b r a i

d

B a t

R e t

B a t

A

B a t

B

L M T

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Appendix A: Installation help: Site cabling raised floor configurationwith 1 A925 TC rack, 1 power supply, 1 DDF, 1 PC tool, 1 ground plate

Clearance

G r o u n

d

P l a t e

A C B o x

6 0 0 m m

1 0 0 0 m m

1 0 0 0

m m

L e n g

t h o f c a

b l e s :

1 5 m

L M T

P o w e r

C u s

t o m e r

D D F

E q u i p m e n

t

D D F

T C 1

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Appendix B: Installation help: Site cabling cable tray configurationwith 2 x A925 TC racks, 2 power distribution box, 2 DDF, 1 PC tool, 1 OMC-R, X25 switch, 1 ground plate

Appendix B. Installation help: Site cablingcable tray configuration with 2 x A925 TC racks,2 power distribution box, 2 DDF, 1 PC tool, 1OMC-R, X25 switch, 1 ground plate

C u s

t o m e r

D D F

E q u

i p m e n

t

D D F

T C 1

T C 2

G r o u n

d

P l a t e

W i r e b r a i

d

D C B O X

4 8 V / 6 0 V

D C B O X

4 8 V / 6 0 V

T C 1

T C 2

T C 1

T C 2

L M T

X 2 5 S W I T C H

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Appendix B: Installation help: Site cabling cable tray configurationwith 2 x A925 TC racks, 2 power distribution box, 2 DDF, 1 PC tool, 1 OMC-R, X25 switch, 1 ground plate

Clearance

O M C - R

G r o u n

d

P l a t e

L M T

6 0 0 m m

6 0 0 m m

1 0 0 0 m m

1 0 0 0 m m

SPP 43 007040057e01[1]

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Transcript of SPP 43 007040057e01[1]