TN-1X Installation Procedures R7

323-1061-200

SDH TRANSMISSION

Nortel TN-1X

Installation Procedures

Release 7 Standard October 1997

Nortel TN-1X Installation Procedures

SDH TRANSMISSION

Nortel TN-1X

Installation Procedures

Document Number: 323-1061-200Document Status: StandardProduct Release Number: Release 7Date: October 1997

Copyright

ã

1995, 1996, 1997 Northern Telecom

Printed in England

The copyright of this document is the property of Northern Telecom. Without the written consent of Northern Telecom, given by contract or otherwise, this document must not be copied, reprinted or reproduced in any material form, either wholly or in part, and the contents of this document, or any methods or techniques available therefrom, must not be disclosed to any other person whatsoever.

NORTHERN TELECOM CONFIDENTIAL:

The information contained in this document is the property of Northern Telecom. Except as specifically authorized in writing by Northern Telecom, the holder of this document shall keep the information contained herein confidential and shall protect same in whole or in part from disclosure and dissemination to third parties and use same for evaluation, operation and maintenance purposes only.

So far as Northern Telecom is aware the contents of this document are correct. However, such contents have been obtained from a variety of sources and Northern Telecom can give no warranty or undertaking and make no representation as to their accuracy. In particular, Northern Telecom hereby expressly excludes liability for any form of consequential, indirect or special loss, and for loss of data, loss of profits or loss of business opportunity, howsoever arising and whether sustained by the user of the information herein or any third party arising out of the contents of this document.

v

Publication history


October 1997Release 7 Standard.

December 1996Release 6 Standard.

December 1995Release 5.1 Standard.

vii

Contents


About this document xiTechnical support and information xiiiWarnings and cautions xvii

Receiving and unpacking 1-1Off-loading 1-1Package handling 1-1Storage 1-1Unpacking 1-2

Tools required 1-2Packaging removal 1-2Packaging disposal 1-2

Checking contents 1-2

Installation information 2-1Installation tools 2-1Equipment supplies 2-2Installation items 2-4Installation procedure 2-6

Overview 2-6Installation of trafÞc cables to rack 2-8Cable and Þbre labelling 2-11Installation of subrack into the rack 2-13Insertion and removal of plug-in units and interface modules 2-16Connections - Station Service Module 2-20Connections - 75 W Star Card Module 2-24Connections - Flexible Access Module 2-26Connections - 75 W TrafÞc Access Module 2-28Connections - 120 W TrafÞc Access Module 2-30Connections - High Speed TrafÞc Access Module 2-32Connections - High Speed Aggregate Module 2-34Connections - High Speed Tributary Module 2-36Connections - optical aggregate/tributary units 2-38

Single Þbre working mode 2-41Local Craft Access Panel 2-42EOW telephone 2-43Fitting inÞlls, covers and designation labels 2-44

Appendix A: Installation kits parts list 3-1

Index 4-1

viii

Figures

323-1061-200 Release 7 Standard

Figure 1-1 Unpacking the subrack 1-3Figure 1-2 Typical TN-1X subrack layout 1-4Figure 2-1 Overview flowchart (part 1) 2-6Figure 2-2 Overview flowchart (part 2) 2-7Figure 2-3 Cable support 2-10Figure 2-4 Tributary cable dressing 2-11Figure 2-5 Cable marker and positioning 2-12Figure 2-6 Captive nut and shoulder washer positions 2-14Figure 2-7 Subrack brackets and fibre turning devices (ETSI rack only) 2-15Figure 2-8 Plug-in unit insertion/removal 2-18Figure 2-9 Interface module insertion/removal 2-19Figure 2-10 Station Service Module layout 2-21Figure 2-11 Rack alarm bus connection termination 2-22Figure 2-12 Power connector termination 2-23Figure 2-13 75 W Star Card Module layout 2-25Figure 2-14 Flexible Access Module - front and side views 2-27Figure 2-15 75 W Traffic Access Module layout and port allocations 2-29Figure 2-16 120 W Traffic Access Module layout and port allocation 2-31Figure 2-17 High Speed Traffic Access Module layout 2-33Figure 2-18 High Speed Aggregate Module layout 2-35Figure 2-19 High Speed Tributary Module layout 2-37Figure 2-20 Typical layout of optical units 2-38Figure 2-21 Optical fibre routing 2-40Figure 2-22 Single fibre working couplers 2-41Figure 2-23 LCAP layout 2-42Figure 2-24 EOW handset stowage 2-43Figure 2-25 Station Interface Area cover assembly 2-45Figure 2-26 Fibre tray cover, subrack label and infill panels 2-46Figure 2-27 Fitting dummy covers 2-46

TablesTable 2-1 Special tools 2-1Table 2-2 Core items 2-2Table 2-3 Plug-in units 2-2Table 2-4 Service Interface Modules (SIM) 2-3Table 2-5 Traffic Interface Modules (TIM) 2-3Table 2-6 Items required for installing the subrack 2-4Table 2-7 75 W traffic cord options 2-5Table 2-8 Cable routing for 2 Mbit/s tributary units 2-8Table 2-9 Cable routing for 34 Mbit/s tributary units 2-9Table 2-10 Power connector pin-out details 2-24Table 2-11 Pin-out for 120 W traffic cords 2-30Table 3-1 Installation kit for NT ETSI rack (25S KM00 019 AAE) 3-1Table 3-2 Installation kit for 23" rack (for example, OPAC cabinet) 3-1Table 3-3 Installation kit for 19" rack (25S KM00 750 HNZ) 3-2Table 3-4 Installation kit for Rack 91 (25S KM00 750 HPB) 3-2Table 3-5 Installation kit for Rack 90 (25S KM00 750 HPC) 3-2Table 3-6 Subrack cover kit (25S KM00 750 HFL) 3-3Table 3-7 NT ETSI rack dummy cover kits 3-3Table 3-8 TN-1X installation kit (25S KM00 807 ABL) 3-4Table 3-9 EOW handset kit (25S KM00 750 HZM) 3-4

ix

Procedures


Procedure 2-1 Installing traffic cables to rack 2-8Procedure 2-2 Cable and fibre labelling 2-11Procedure 2-3 Installing the subrack in the rack 2-13Procedure 2-4 Insertion and removal of plug-in units and interface modules 2-17Procedure 2-5 LAN connections 2-20Procedure 2-6 Rack alarm bus connections 2-22Procedure 2-7 Power connections 2-23Procedure 2-8 Connecting the SIM Type 20 2-24Procedure 2-9 External alarm connections 2-26Procedure 2-10 Connections to 75 W Traffic Access Module 2-28Procedure 2-11 Connections to 120 W Traffic Access Module 2-30Procedure 2-12 Connections to High Speed Traffic Access Module 2-32Procedure 2-13 Connections to High Speed Aggregate Module 2-34Procedure 2-14 Connections to High Speed Tributary Module 2-36Procedure 2-15 Connections to optical units 2-39Procedure 2-16 EOW telephone mounting 2-43Procedure 2-17 Fitting the infills, covers and designation label 2-44

xi

About this document


This document, 323-1061-200, provides details of the mechanical installation procedures for the Nortel TN-1X Release 7 subrack into the following rack types:

¥ NT ETSI.

¥ 19" rack/cabinet.

¥ 23" rack/cabinet (OPAC).

¥ BT Rack Types 90/91.

General view of a typically equipped TN-1X subrack

xii

About this document

It is assumed that the rack is securely in place and that all cabling and services


to the rack have been completed in readiness for installation of the subrack.

Associated documentsNortel TN-1X Documentation Overview and Safety, NTP 323-1061-090.

Nortel TN-1X System Commissioning Procedures, NTP 323-1061-220.

xiii

Technical support and information


Nortel provides a comprehensive technical support service for its customers. The Nortel Service Desk may be contacted Monday to Friday between the hours of 08:30 and 17:00 (UK local time), using the following FAX or telephone numbers:

United KingdomFreephone: 0800 626 881Telephone: 0181 361 4693FAX: 0181 945 3456

InternationalTelephone: +44 181 361 4693FAX: +44 181 945 3456

Access to assistance from the Customer Service Desk 24 hour help line can be provided and is subject to a suitable Support Agreement being in place.

To discuss Technical Support services, please contact the Technical Support Hotline on 0181 945 3525.

Declaration of product safety and EMC compliance

This product/product family complies with the provisions of the Low Voltage Directive 73/23/EEC, and with the essential protection requirements of the EMC Directive 89/336/EEC as amended by 92/31/EEC, when it is properly installed and maintained and when it is used for the purposes for which it is intended.

xvii

Warnings and cautions


Safety considerationsEnsure that you are familiar with the general safety procedures relating to the TN-1X product detailed in ÔDocumentation Overview and Safety, NTP 323-1061-090Õ.

Follow all warning notices provided with this product, as well as the safety procedures established by your company.

Follow all caution notices provided with this product, as well as the general equipment safety procedures established by your company.

Mechanical handling considerations

WARNINGRisk of personal injuryDue to the weight of the subrack, the mounting of the subrack in the rack requires two installers for safe working.

Take care when working near the top of the Station Interface Area that your hands do not scrape on the honeycomb screen.

CAUTIONRisk of damage to EMC meshThe EMC mesh on the subrack must not be placed onto an uneven surface or be placed on any protruding objects.

CAUTIONRisk of damage to equipmentWhen inserting a plug-in unit, ensure that the plug-in unit is inserted in the black card-guides and not the grey front panel locator guide to the right of the required position.

xviii


Electrical handling considerations


Electrical safety considerations

Optical safety

Note: The subrack should not be powered until after the installation is completed.

CAUTIONStatic sensitive devicesThe plug-in units contain static sensitive devices. These devices are sensitive to static electricity and must be protected by special handling and packaging. Refer to the static sensitive handling procedures in ÔDocumentation Overview and Safety, NTP 323-1061-090Õ.

Before removing the TN-1X subrack from the inner carton of the packaging, personnel must wear conductive bonded wrist straps conforming to BS CECC 00015 Part 1. The straps must be connected to an available earth point in the absence of an ESD bonding point on the equipment.

WARNINGPower to the subrackThe subrack should not be powered-up until the installation procedures are completed and the subrack is ready for commissioning. If the parent rack is already powered, the relevant rack fuses must be removed before the power connector is connected to the subrack.

CAUTIONOptical safetyObserve the warnings and cautions detailed in ÔDocumentation Overview and Safety, NTP 323-1061-090Õ.


xix

Optical connector/Þbre handling


The following precautions must be taken when working with single-Þbre optical cables:

¥ Safety glasses must be worn when installing optical Þbres.

¥ Small bits of glass Þbre are almost invisible. After handling single Þbre cables, hands should always be wiped clean or washed before making any contact with the eyes.

Handle optical Þbres carefully and always position them in a safe and secure location during installation.

¥ Do not handle pieces of cut Þbre with bare Þngers. Use tweezers, or the sticky side of a piece of vinyl tape, to pick up and discard any loose Þbre ends.

¥ All Þbre cuttings should be placed in a plastic bottle provided for that purpose.

end of chapter

CAUTIONOptical connectorsClean all optical connectors by an approved method before making any optical connection.

When making an optical connection, do not rotate the optical connector unnecessarily.

When not connected, Þt all optical plugs and couplings with captive caps.

CAUTIONDamage to optical ÞbresWhen dressing Þbres, take care not to exceed the minimum bend radius (typically 35 mm) and do not overtighten tyraps used for dressing as damage may result.

When connecting connectors, ensure that the optical Þbres are not trapped by the protective cover on the unit before sliding the unit in position.

WARNINGDanger from glass chipsIf there is any suspicion of a glass chip in the eye, seek medical attention at once.

1-1

1

Receiving and unpacking 1-


This chapter describes the procedures to be used when a Nortel TN-1X subrack is delivered to the customer as part of a supply-only contract.

Off-loadingThe consignment is the responsibility of the delivery vehicle driver until it has been off-loaded to the installation or storage area. Off-loading must therefore be supervised by the driver.

Only authorised lifting equipment and slings must be used unless a reciprocal agreement for use of the customerÕs equipment is in force and is valid.

Package handlingIdentify the top face of the container, identiÞable by packing labels, and keep the top face uppermost at all times.

The package contents are to be considered fragile at all times.

If packages are to be handled in wet weather conditions, adequate waterproof covering must be used to protect the package.

StorageIf the TN-1X equipment is to be stored before installation, the following storage conditions must be applied:

¥ Do not remove the equipment from its protective packaging.

¥ Store the equipment in an environment which is dry and controlled to prevent the formation of condensation.

¥ Whenever possible, store packages at a height which eases handling, i.e. between waist and shoulder height.

¥ Do not store the packages near sources of heat.

¥ Do not place heavy objects, e.g. wooden transit cases, on top of the package.

1-2

Receiving and unpacking

Unpacking


Tools requiredThe following tools are required to remove a TN-1X subrack from its primary and secondary packaging:

¥ Sharp pointed blade knife

¥ Conductive bonded wrist strap conforming to BS CECC 00015 Part 1

Packaging removalThe removal procedure is detailed in Figure 1-1.

Packaging disposalThe packaging may be disposed of as waste material. The customer may, however, Þnd it advantageous to retain the packaging which may then be used to return the equipment to Nortel should the need arise.

Checking contentsCheck the package contents against the Customer's Advice Note and ensure that the range of plug-in units Þtted to the supplied matches the TN-1X variant speciÞed on the order.

Figure 1-2 shows the layout of the plug-in units and interface modules of a typical equipped subrack.

Receiving and unpacking

1-3

1

Figure 1-1


Unpacking the subrack

STEP 1Cut through gummed paper.DO NOT insert knife more than 5mmOpen the outer carton to exposethe inner carton

STEP 2Remove the fourtop corner blocks

STEP 3Cut through gummed paperof inner carton in a similarmanner to Step 1

STEP 4Open inner carton and liftout the 5 panel wrappercontaining the subrack

TopCornerBlocks(4 off)

Inner Carton

5 Panelwrapper

Subrack

1-4 Receiving and unpacking

323-10

Fig

ure 1-2

Typical T

N-1X

sub

rack layou

t

end of chapter

utary Unit

load Manager

ical or Electrical Aggregate Unit

ical or Electrical Aggregate Unit

er Unit

rack Controller

2634

6271

Unit

tection Trib Unit/Dummy Panel

16

1116

2142

4752

5780

Associated card

guide position

Plug-in unit slot

position

Assoc

guide

Syste

modu

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

utary Unit

load Manager

utary Unit

my Panel

utary Unit

er Unit

Plug-in U

nit (PIU

) A

rea

Serv

Area

61-200 Release 7 S

tandard

Trib

Pay

Opt

Opt

Pow

Sub

75 W Star Card

Station Service Module

Flexible Access Module

T1

T2

T3

T4

T5

T6

T7

T8

T9

T10

T11

T12

T13

T14

T15

T16

110

1520

2530

3540

4550

5560

6570

7580

EOW

Pro

iated card position

m interface

le slot position

High Speed Aggregate ModuleDummy Panel

1"1"

1"

Trib

1"1"

1.6"1.6"

Pay

1"1" Trib

1" Dum

Trib

1"1.8"

Pow

1.8"1"

1.8"

Traffic Access Module

Traffic Access Module or High Speed Trib Module

Dummy Panel

1"1"

1"1"

1"1"

1"1"

1"1"

1"1"

1"1"

Dummy Panel

Dummy Panel

High Speed Aggregate ModuleDummy Panel

1"





ice Interface (S

IA)



2-12

Installation information 2-


Table 2-1 lists the special tools required to carry out the installation of the TN-1X subrack.

Table 2-2 to Table 2-5 list the range of the plug-in units and interface units available for Release 6 of the TN-1X. The units supplied will depend upon the customer speciÞc order.

Table 2-6 lists the installation kits and materials required. Table 2-7 lists the different 75 W trafÞc cord options.

Installation toolsTable 2-1Special tools

Item Code Description Qty

1 25T XT00 800 POO 43T connector insertion/extraction tool (long) 1

2 25S KM00 800 EFO Microscope kit 1

3 25S KM00 800 FMO Optical fibre cleaning kit 1

4 25T PL00 800 BOO ERMA crimp tool 1

5 25T PL00 800 COO Die set (for 3002 cable) As required

6 25T PL00 800 DOO Die set (for 2002 cable) As required

7 25T PL00 800 EOO Die set(for 2003 cable and d.c. power pins type 2A)

1

8 25T XT00 800 AOO Pin extractor tool (for d.c. power pins type 2A) 1

9 25T CS00 800 XOO Coax cable stripping tool 8A (2002/2003) As required

10 25T CS00 800 ADO Coax cable stripping tool 9A (3002) As required

11 25T PL00 800 HOO Parallel jaw pliers 1

12 25T XT00 001 AAF TN-1X special extractor tool 1 (see Note)

Note:This tool is only required if dust covers on the backplane connectors need to be removed when adding new units to an existing subrack (i.e. access to the dust covers is restricted by existing units).

2-2 Installation information

Equipment supplies


Table 2-2Core items

Item Code Description

1 25G MU00 750 GWV Unequipped subrack TN-1X

2 25U EP00 750 GXB Local Craft Access Panel 75 W

Table 2-3Plug-in units


1 25U PW00 750 HAY/HSY Power Supply Unit (PSU)

2 25U MN00 750 GXD Subrack Controller

3 25U PJ00 750 GXF Payload Manager

4 25U PJ00 750 HZQ Payload Manager TSI-2

5 NTKD10AA Payload Manager, Mixed Payload

6 25U TM00 750 HWF STM-1 Optical Aggregate Unit LH/SH

7 25U TM00 750 GWA STM-1 Optical Aggregate Unit

8 25U TM00 750 GWB STM-1 Electrical Aggregate Unit

9 25U TM00 750 HVB STM-4 Optical Aggregate Unit 1550 nm

10 25U TM00 750 GSA STM-4 Optical Aggregate Unit (Long Haul), 1310 nm

11 25U TM00 750 GSC STM-4 Optical Aggregate Unit (Intra-Station), 1310 nm

12 25U JU00 750 GXG 2 Mbit/s Tributary Unit 75 W

13 25U JU00 750 GXR 2 Mbit/s Tributary Unit 120 W

14 25U JU00 750 HVT 2 Mbit/s Tributary Unit 75 W

15 25U JU00 750 HVQ 2 Mbit/s Tributary Unit 120 W

16 25U JU00 750 GVA STM-1 Optical Tributary Unit 2"

17 25U TM00 750 HWE STM-1 Optical Tributary Unit 1"

18 25U TM00 750 HWG STM-1 Optical Tributary Unit 1" TSI-2

19 NTKD11AA STM-1 Optical Tributary Unit 1" Mixed Payload

20 25U JU00 750 GVB STM-1 Electrical Tributary Unit 2"

21 25U JU00 750 JBK STM-1 Electrical Tributary Unit 2" TSI-2

22 NTKD12AA STM-1 Electrical Tributary Unit 1" Mixed Payload

23 25U JU00 750 HJZ 34 Mbit/s Tributary Unit

ÑcontinuedÑ

Installation information 2-3

2

Table 2-3


24 25U SV00 750 GVX EOW Unit (ICC1)

25 NTKD13AA EOW Unit (ICC2)

26 25S KM00 750 HZM EOW Installation Kit (see Appendix A, Table 3-9 for details)

27 25U MU00 750 HVJ Asynchronous Telemetry UnitNote: Installation of the ATU is described in NTP 323-1063-200.

ÑendÑ

Table 2-4Service Interface Modules (SIM)


1 25U JJ00 750 GXC Station Service Module

2 25U JJ00 750 GWZ 75 W Star Card (Clock Sync)

3 25U JJ00 750 GWX Flexible Access Module

4 25U JJ00 750 HPD Flexible Access Module

Table 2-5Traffic Interface Modules (TIM)


1 25U JJ00 750 GVZ 75 W Traffic Access Module

2 25U JJ00 750 HLV 120 W Traffic Access Module

3 NTKD14AA 75 W Traffic Access Module (N+1 Protection)

4 NTKD15AA 120 W Traffic Access Module (N+1 Protection)

5 25U JJ00 750 GYZ High Speed Aggregate Module

6 25U JJ00 750 GWY High Speed Tributary Module

7 25U JJ00 750 HTD High Speed Traffic Access Module

Plug-in units (continued)



Installation items


Table 2-6Items required for installing the subrack

Item Code Description Qty Notes

1

1b

1c

1d

1e

25S KM00 019 AAE

### #### ### ###

25S KM00 750 HNZ

25S KM00 750 HPB

25S KM00 750 HPC

TN-1X Installation Kit(NT ETSI rack)

TN-1X Installation kit(23Ó rack/cabinet)

TN-1X mounting kit(19" rack/cabinet)

TN-1X mounting kit(Rack 91)

TN-1X mounting kit(Rack 90)

1

See Appendix A Table 3-1 for contents

See Appendix A Table 3-2 for contents (see Note)




2 25S KM00 807 ABL TN-1X Installation Kit 1 See Appendix A Table 3-8 for contents

3 25S KM00 750 HFL Subrack cover kit 1 See Appendix A Table 3-6 for contents

4 32Y CN00 100 AWY TX/RX cable assembly labelled

1 Connection to LAN transceiver for network management system

5 25Y CN00 801 *** Optical fibre tail 2 per module

Connection to FC/PC connectors on optical aggregate and tributary units

6 32Y CN00 754 ***

orP0874818 (5 m)P0874819 (10 m)P0874820 (15 m)P0874821 (20 m)P0874822 (25 m)P0874823 (30 m)

25-way D-type male/4 quad screened cable assembly

25 Way Male D type cord assembly (50û shell) - solid conductor (for wire wrap installations)

1 per module

Connection to ÔOUTPUTÕ connector of 120 W Traffic Access Module

7 32Y CN00 755 ***

orP0874812 (5 m)P0874813 (10 m)P0874814 (15 m)P0874815 (20 m)P0874816 (25 m)P0874817 (30 m)

25-way D-type female/4 quad screened cable assembly

25 Way Female D type cord assembly (50û shell) - solid conductor (for wire wrap installations)

1 per module

Connection to ÔINPUTÕ connector of 120 W Traffic Access Module

ÑcontinuedÑ


2

Table 2-6


Note: The last three characters of the cable/cord assemblies signify the length and, in the case of optical cords, the connector types used. All cords are connectorised at one end only.

Ensure that all the necessary items are available and that the parent rack is securely mounted in position. Ancillary items (i.e. Rack Alarm Unit, DC distribution, LAN tray) must be in place prior to the installation of the subrack.

Installation may now proceed in accordance with the following section.

8 32C CN16 100 AJH Connector female 25-way D-type

1 For External Alarms connector

9 NTKD0100 2-1 Optical Converter Box (coupler)

A/R Only required for single fibre working (see page 2-41)

Note: Contact Nortel for advice on space required above and below rack and if fans are required due to ambient temperature.

Table 2-775 W trafÞc cord options

Item Code/Description

1 Preferred option, using 8-core 3002 cable type R011688532Y CN00 725 *** BT43/5F, 8 x 3002 cable

2 Alternative option, using single 3002 coax32Y CN00 750 *** BT43/5F, 3002 cable

3 Alternative option, using single 2003 coax32Y CN00 752 *** BT43/3F, 2003 cable

4 Alternative option, using single 2002 cable32Y CN00 756 *** BT43/5F, 2002 cable

Items required for installing the subrack (continued)

Item Code Description Qty Notes


Installation procedure


A general view of a typically equipped TN-1X subrack is given on page viii.

OverviewThe ßowchart in Figure 2-1 and Figure 2-2 describes the actions to be carried out and the sequence to be followed in completing the installation of the TN-1X subrack. The ßowchart directs the installer to the relevant procedure for each action.

Figure 2-1Overview ßowchart (part 1)


Power to the subrackThe subrack should not be powered-up until the installation procedures are completed and the subrack is ready for commissioning. If the parent rack is already powered, the relevant rack fuses must be removed before the power connector is connected to the subrack.

Install trafÞc cables

Procedure 2-1

Insertion/removal of PIUs and interfaces

modules

Procedure 2-4

Start

Are plug-in units & interface modules Þtted

to the subrack ?

Install subrack into rack

Procedure 2-3

Continued onFigure 2-2

NO

YES

Cable and Þbre labelling

Procedure 2-2


2

Figure 2-2


Overview ßowchart (part 2)

YESOptical connections

Procedure 2-15

LCAP connections(no installation required, see ÒLocal Craft Access PanelÓ on page 2-42Õ)

Are optical units

Þtted?

This completesthe subrack installation

procedures

EOW Telephone

Procedure 2-16

Fitting inÞlls, covers and designation labels

Procedure 2-17

NO

Continued from Figure 2-1

Interface Module Connections

Module type Procedure

Station Service Module Procedure 2-5Procedure 2-6

Procedure 2-775 W Star Card Module Procedure 2-8Flexible Access Module Procedure 2-975 W TrafÞc Access Module Procedure 2-10120 W TrafÞc Access Module Procedure 2-11High Speed TrafÞc Access Module Procedure 2-12High Speed Aggregate Module Procedure 2-13High Speed Tributary Module Procedure 2-14


Installation of trafÞc cables to rack


Procedure 2-1 details the procedure for installing trafÞc cables into an NT ETSI rack, a 19" rack, or a BT Type 90 or 91 rack. The choice of cables will depend on customer requirements.

Procedure 2-1Installing trafÞc cables to rack

Step Action Reference

ÑendÑ

1 Determine the routing of the traffic cables depending on the number of 2 Mbit/s and 34 Mbit/s tributary cables required and the cable entry (top or bottom) to the rack.

Table 2-8Table 2-9

2 For top cable entry, run the cables into the rack and leave at least 850 mm below the designated top fixing position of the subrack. This allows sufficient cable for dressing and termination.

3 For bottom cable entry, run the cable up the rack and leave at least 250 mm above the designated top fixing position of the subrack.

4 To assist in laying the cable in, Figure 2-4 illustrates the dressing layout after the cords have been terminated.

Figure 2-4

5 Secure all cables using tyraps.

Table 2-8Cable routing for 2 Mbit/s tributary units

Number/position of 2 Mbit/s Tributary Units

Routing for 75 W cables Routing for 120 W cables(25-way D-type cords)

One, position 06 32 cords to be run in the left hand duct.

4 cords to be run in the left hand duct.

Two, positions 06 and 57 32 cords to be run in the left hand duct, 30 cords to be run in the right hand duct.

4 cords to be run in the left hand duct, 4 cords to be run in the right hand duct.

Three, positions 06, 16, and 57



Four, positions 06, 16, 47, and 57


8 cords to be run in the left hand duct, cords to be run in the right hand duct.


2

Table 2-9


Cable routing for 34 Mbit/s tributary units

Number/position of 34 Mbit/s Tributary Units

Routing for cables

One, position 06 2 cords to be run in the left hand duct.

Two, positions 06 and 57 2 cords to be run in the left hand duct, 2 cords to be run in the right hand duct.

Three, positions 06, 16, and 57 4 cords to be run in the left hand duct, 2 cords to be run in the right hand duct.

Four, positions 06, 16, 47, and 57 4 cords to be run in the left hand duct, 4 cords to be run in the right hand duct.


Figure 2-3


Cable support

Cables entry/exit


2

Figure 2-4


Tributary cable dressing

Cable and Þbre labellingAll cables and Þbres are to be labelled at the rack with designations agreed with the customer. The labelling kit is supplied as part of the TN-1X installation kit (Appendix A, Table 3-8 Item 1).

Procedure 2-2Cable and Þbre labelling


ÑendÑ

1 Prepare all markers by neatly writing the designation on the white area using a ball-point pen or permanent marker.

Figure 2-5

2 Peel off the marker from the backing card.

3 Fix each marker in turn to the relevant cable by placing the white area (with the designation side showing) on the cable and wrapping the transparent part round it.

Figure 2-5

4 Ensure that each marker is positioned so that the legend can be read without the need to move or twist any cables.

5 Ensure that, where possible, markers are neatly and uniformly positioned on the cables.

6 Make a final check to ensure that all designations are consistent with project documentation (cable schedules, site drawings).

SHELFPOSITION

21

25U

JU

00750**

* 25U

JU

00750**

* 25U

JU

00750**

* 25U

JU

00750**

*25U

PJ00750**

* 25U

PJ00750**

* 25U

MN

00750**

*25U

PW

00750**

*25U

TM

00750**

* 25U

TM

00750**

* 25U

PW

00750**

*

RECEIVE ATTALARM ALM ACK

ESD

Vertical airflow requirement

SHELFPOSITION

21

RECEIVE ATT

ALARM

ALM ACKESD

25U

JU

00750**

* 25U

JU

00750**

* 25U

JU

00750**

* 25U

JU

00750**

*25U

PJ00750**

* 25U

PJ00750**

* 25U

MN

00750**

*25U

PW

00750**

*25U

TM

00750**

* 25U

TM

00750**

* 25U

PW

00750**

*

Vertical airflow requirement

75 W Tributary coax cords 120 W Tributary cords, 25-way D-type


Figure 2-5


Cable marker and positioning

Transparent ÔMylarÕ area

White vinyl designation area X

XX

-XX

X

CustomerÕsdesignation(as required)

XX-X

Clear Area

Wrap


2

Installation of subrack into the rack


Procedure 2-3 details the mounting of the TN-1X subrack into an NT ETSI rack, a 19" rack, or a BT 90/91 rack. The installation involves Þtting the subrack mounting brackets to the subrack and Þtting captive nuts to the parent rack. In the case of the ETSI rack, Þbre turning devices are also Þtted to the subrack and slide mounts may be used as a subrack mounting aid. For the BT racks, Þbre turning devices are Þtted, but slide mounts are not used.

The item numbers in Procedure 2-3 refer to Table 3-1 to Table 3-5 in Appendix A.

Procedure 2-3Installing the subrack in the rack


ÑendÑ


1 Locate the top and bottom fixing holes on each side of the rack and fit captive nuts (Table 3-1 Item 1, Table 3-3 Item 3).

Figure 2-6

2 For ETSI and BT racks, fit the fibre turning devices (Table 3-1 Item 6) to each side of the fibre tray using one M4 screw (Table 3-1 Item 2) in the centre of each device.

Figure 2-7

3 Adopting a two-man lift, locate the subrack in its required position and secure it using four M6 mounting screws (in the case of the 19" rack, these screws are not part of the mounting brackets, Table 3-3 Item 8).

4 Fibre guides may now be fitted to the upper edge of the fibre tray and slid into the correct position, one below each optical unit (use of these is covered in Procedure 2-15).


Figure 2-6


Captive nut and shoulder washer positions

8SU

3U

6VU

Subrack Subrack Subrack

ETSI 19" BT90/91

Mounting screw - Fit captive nut


2

Figure 2-7


Subrack brackets and Þbre turning devices (ETSI rack only)

ETSI Mounting Bracket

Fibre Turning Device

Subrack

Left hand side of subrack shown


Insertion and removal of plug-in units and interface modules


Under normal circumstances the subracks will be delivered with all units Þtted. The only units requiring removal and insertion by the installer are the optical plug-in units which need to be partially withdrawn to connect the optical cords (see Procedure 2-15).

WARNINGRisk of personal injuryWhen working near the top of the Station Interface Area (SIA), care should be taken to avoid scraping your hands on the honeycomb screen above.

CAUTIONRisk of damaging equipmentIf any plug-in units or interface modules require insertion/removal, it is imperative that the following procedure is adopted to avoid damaging the connectors or spring Þngers.

When inserting a plug-in unit, ensure it locates into the BLACK card guide and not the short grey front plate locator to the right of the required position.

Static sensitive devicesThe plug-in units contain static sensitive devices. These devices are sensitive to static electricity and must be protected by special handling and packaging. Refer to the static sensitive handling procedures in ÔDocumentation Overview and Safety, NTP 323-1061-090Õ.


2

Procedure 2-4


Insertion and removal of plug-in units and interface modules


ÑendÑ

Plug-in UnitsRemoval

1 Release the locking levers on the front of the unit by squeezing the ends of the levers. If required, a free-issue lever tool (code P0875600) can be used to release the levers individually.

Figure 2-8

2 Once the locking levers are released, simultaneously fully retract the top and bottom levers. This will safely disengage the unit from the backplane connector.

3 Slide the unit from the subrack.

Insertion

4 Identify the correct slot position.

5 Ensure that both levers are in the fully open position and slide the unit into the card guide until the levers locate in the extrusion groove.

Figure 2-8

6 Engage the unit in the backplane connector by simultaneously pressing on both levers. DO NOT push on the front cover of the unit.

Figure 2-8

Interface Modules Removal

7 Fully unscrew the central fixing. Figure 2-9

8 Simultaneously operate the top and bottom levers to disengage the module from the backplane.

Figure 2-9

9 Slide the module from the subrack

Insertion

10 Identify the correct position in the subrack.

11 Slide the module into the subrack until initial contact is made with the backplane connector.

12 Without using the leavers, turn the thumbscrew clockwise, by Figure 2-9 hand, until it bottoms out. This occurs when the module is fully inserted.


Figure 2-8


Plug-in unit insertion/removal

Plug-in unit

Groove location in extrusion

Lever

Close

Open

Lever tool

Use of lever tool (P0875600)


2

Figure 2-9


Interface module insertion/removal

Lever

Lever

Central Þxingthumbscrew

Open

Open


Connections - Station Service Module


The Station Service Module provides connection to:

¥ LAN (Q3 port) (Procedure 2-5)

¥ Rack Alarm Bus (Procedure 2-6)

¥ d.c. power (Procedure 2-7)

The module is located in position T16 (card guide position 80) of the SIA.

Procedure 2-5LAN connections


ÑendÑ

1 Identify the Tx/Rx cable assembly (Table 2-6 Item 4).

2 Connect the 15-way male connector to the LAN socket on the Station Service Module. Ensure the retention slide operates to hold the connector in place.

Figure 2-10

3 The female connector at the other end of the assembly connects to the AUI port of the LAN transceiver. This is usually located in a LAN transceiver tray mounted in the same rack as the TN-1X subrack.


2

Figure 2-10


Station Service Module layout

RACKALARM

ST

N S

ER

VIC

E M

OD

ULE

25U

JJ00

750G

XC

POWERINPUT

LAN

1

4

3

2

PIN

123456789101112131415

FUNCTION

-12 VPrompt alarmDeferred alarmIn Station alarmNot used0 V0 V0 VNot usedReceive attentionNot usedFault clearNot used0 V0 V

RACK ALARM CONNECTOR PIN-OUT

PIN

123456789101112131415

FUNCTION

Control In Circuit Shield (0V)Control In Circuit A (CI-A)Data Out Circuit A (DO-A)Data In Circuit Shield (0V)Data In Circuit A (DI-A)Voltage Common (VC)Control Out Circuit A (CO-A)Control Out Circuit Shield (0V)Control In Circuit B (CI-A)Data Out Circuit B (DO-B)Data Out Circuit Shield (0V)Data In Circuit B (DI-B)Voltage Plus (VP)Voltage Shield (VS)Control Out Circuit B (CO-B)

POWER CONNECTOR PIN-OUT

FUNCTION

-48 V (fuse 1)0 V (fuse 1)0 V (fuse 2)-48 V (fuse 2)

PIN

1234

LAN CONNECTOR PIN-OUT

109

87

64

53

21


Procedure 2-6


Rack alarm bus connections


ÑendÑ

Figure 2-11Rack alarm bus connection termination

1 Select a loop from the rack alarm bus cable which runs down the right hand side of the rack.

Figure 2-11

2 Loosely assemble the 15-way D-type IDC connector (Appendix A, Table 3-8 Item 7 and Item 8).

Figure 2-11

3 Carefully position the ribbon cable over the IDC pins of the connector such that the red conductor will engage with pin 1. Clamp the ribbon down onto the connector using parallel-jaw pliers.

Figure 2-11

4 Fit the strain relief clamp and shell, and secure the connector assembly to the Station Service Module using the integral screws provided on the shell.

Figure 2-11

Rack alarm bus ribbon loop(existing in rack)

D type shell with integral jack screws

Strain relief clamp

15-way D type IDC connector

IDC connection clamp

Connector(rear view)

Ribbon cable

Red marker to line up with pin 1

3

1

2

4

5

6

7

9

8

10

11

12

13

14

15


2


Procedure 2-7Power connections


ÑendÑ

Figure 2-12Power connector termination

WARNINGRack fusesIf the parent rack is already powered, the relevant fuses must be removed before Procedure 2-7 is started. The fuses should not be replaced until installation procedures have been completed and the subrack is ready for commissioning.

1 Identify the two blue/black twisted pair power leads for the subrack position. These provide d.c. power for two separate Power Units. The leads are previously installed in the right hand side of the rack.KEEP THE TWO SUPPLIES SEPARATE AT ALL TIMES.

2 Locate the 4-way connector housing and the four Type 2A crimp pins (Appendix A, Table 3-8 Item 5 and Item 6).

Figure 2-12

3 Strip back 7 mm of insulation from each conductor and crimp a pin to each one using a crimp tool and die set (Table 2-1 Item 4 and Item 7).

Figure 2-12

4 Push each pin home into its correct position in the housing. Table 2-10

5 Do NOT plug this connector into the SIM, this will be done at the commissioning stage.

Blue or Black core of power cable

Strip7mm

Connector housing

Note: Pin 1 atbevelled end1

23

4

x4 Crimp pin No 2A


The pin-out details for the power connector are listed in Table 2-10.


Connections - 75 W Star Card ModuleThe 75 W Star Card Module provides two Type 43 coaxial connectors for the input and output of a 2048 kHz timing signal.

The moduleis located in SIM position T8 (card guide position 40) of the SIA.

Procedure 2-8Connecting the SIM Type 20


ÑendÑ

Table 2-10Power connector pin-out details

Pin No. Function Colour

1

2

3

4

-48 V d.c. (fuse 1)0 V (fuse 1)0 V (fuse 2)-48 V d.c. (fuse 2)

blueblackblackblue

1 Identify the two coaxial cords assemblies (Table 2-7 Item 2 or Item 4) for timing signals. The type used will depend on the customer requirements.

2 Connect the Rx Clock cord to the upper connector on the front panel and the Tx Clock cord to the lower connector.

Figure 2-13

3 Dress the cables correctly to maximise vertical airflow and secure using tyraps.


2

Figure 2-13


75 W Star Card Module layout

75 W

STA

R C

AR

D25

UJJ

0075

0GW

Z

TXCLK

RXCLK

109

87

64

53

21


Connections - Flexible Access Module


The Flexible Access Module provides the connections for the Local Craft Access Panel (LCAP). No installation actions are required for the variant 25U JJ00 750 GWX as this is installed in the subrack with no external connections required. Variant 25U JJ00 750 HPD additionally provides interfaces for Þve earth free external alarm inputs which require connection as detailed in Procedure 2-9.

The Flexible Access Module is located in SIM position T1.

Procedure 2-9External alarm connections


ÑendÑ

CAUTIONElectrical protectionAll external equipment connected to the External Alarms input must provide protection from mains voltages in accordance with the requirements of EN 41003 for the connection to Telecommunication Network Voltage (TNV) circuits.

1 Install the external alarms cable into the left hand side of the rack. The cable route used should follow the traffic cords installed in Procedure 2-1. The type of cable used is dependent on customer requirements.

2 The mating connector for the ÔEXTERNAL ALARMÕ front panel connector is a female 25-way D-type (Table 2-6 Item 8). Terminate the alarms cable with this connector in accordance with the pin out details given in Figure 2-14.

Figure 2-14

3 Connect the terminated cable to the lower connector on the front panel of the SIM and use tyraps to groom the cable into position.

Figure 2-14


2

Figure 2-14


Flexible Access Module - front and side views

LCAP

FLE

XIB

LE A

CC

ES

S M

OD

ULE

25U

JJ00

750H

PD

EXTERNAL ALARM

PIN

1234567891011 & 121314 to 25

FUNCTION

EXTERNAL ALARM CONNECTOR PIN-OUT

External Alarm Input 1





Not UsedMechanical EarthNot Used

109

87

64

53

21


Connections - 75 W TrafÞc Access Module


The 75 W TrafÞc Access Module provides sixteen receive and transmit ports for eight 2048 kbit/s tributary circuits. Connection is by sixteen Type 43 coaxial connectors on the module front panel.

The 75 W TrafÞc Access Module can be located in the SIA positions T2, T3, T5, T6, T10, T11, T13, and T14. Two of these modules (Þtted in adjacent slots) provide the necessary connections for a single 2 Mbit/s Tributary Unit in positions S2, S4, S9, and S11 respectively.

Procedure 2-10Connections to 75 W TrafÞc Access Module


ÑendÑ

1 Identify the 75 W traffic cords installed in Procedure 2-1.

2 Connect each cord in turn to its respective connector on the Traffic Access Module.

Figure 2-15

3 Ensure that the cords are dressed as described in Procedure 2-1 to achieve the optimum vertical airflow through the subrack.

Figure 2-4


2

Figure 2-15


75 W TrafÞc Access Module layout and port allocations

RX

75 W

TR

AF

FIC

AC

CE

SS

MO

DU

LE10

98

76

45

32

125

UJJ

0075

0GV

Z

TX

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

T2 T3 T6T5 T10 T11 T13 T14

S2 S4 S9 S11

Allocated Port Numbers

CorrespondingPlug-in unit position75 W TrafÞc Access Module position

INPUTS

OUTPUTS

8

7

6

5

4

3

2

1

8

7

6

5

4

3

2

1

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

16

15

14

13

12

11

10

9

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

Ports are identiÞed by the slot number and the instance, e.g. S4-7 indicates port 7 for unit in slot S4.


Connections - 120 W TrafÞc Access Module


The 120 W TrafÞc Access Module provides receive and transmit ports for eight 2048 kbit/s tributary circuits. Connection is by two 25-way D-type connectors on the module front panel, one for transmit ports and one for receive ports.

The 120 W TrafÞc Access Module can be located in the SIA positions T2, T3, T5, T6, T10, T11, T13, and T14. Two of these modules (Þtted in adjacent slots) provide the necessary connections for a single 2 Mbit/s Tributary Unit in positions S2, S4, S9, and S11 respectively.

Procedure 2-11Connections to 120 W TrafÞc Access Module


ÑendÑ

Note: * Denotes the quad identiÞcation colour.

1 Locate the 120 W traffic cords installed in Procedure 2-1.

2 Connect each cord in turn to its respective connector on the Traffic Access Module.

Table 2-11Figure 2-16


Figure 2-4

Table 2-11Pin-out for 120 W trafÞc cords

Port Pin Colour Quad No.1 9 white

122 blue *

2 12 turquoise

25 violet

3 11 white

223 orange *

4 8 turquoise

20 violet

5 6 white

319 green *

6 5 turquoise

17 violet

7 2 white

414 brown *

8 3 turquoise

16 violet


2

Figure 2-16


120 W TrafÞc Access Module layout and port allocation

INPUT

120

W T

RA

FF

IC A

CC

ES

S M

OD

ULE

25U

JJ00

750H

LV

OUTPUT

7

8

6

5

4

1

3

2

15

16

14

13

12

9

11

10

T2 T3 T6T5 T10 T11 T13 T14

S2 S4 S9 S11

2

3

1

4

5

6

8

7

10

11

9

12

13

14

16

15

25

114

13

13

114

25

+ _

CorrespondingPlug-in unit position

TIM 22 position

INPUTS

OUTPUTS

Male

Female

Allocated Port Numbers

7

8

6

5

4

1

3

2

7

8

6

5

4

1

3

2

7

8

6

5

4

1

3

2

15

16

14

13

12

9

11

10

15

16

14

13

12

9

11

10

15

16

14

13

12

9

11

10

2

3

1

4

5

6

8

7

10

11

9

12

13

14

16

15

2

3

1

4

5

6

8

7

10

11

9

12

13

14

16

15

2

3

1

4

5

6

8

7

10

11

9

12

13

14

16

15

Ports are identiÞed by the slot number and the instance, e.g. S4-7 indicates port 7 for unit in slot S4.

109

87

64

53

21


Connections - High Speed TrafÞc Access Module


The High Speed TrafÞc Access Module provides receive and transmit ports for a 34 Mbit/s Tributary Unit. Connection is by two Type 43 coaxial connectors on the module front panel (RX and TX).

The High Speed TrafÞc Access Module Þts into SIA positions T3, T6, T11, and T14 (backplane slot positions 15, 30, 55, and 70). The allocation of modules to 34 Mbit/s Tributary Units is as follows:

Position T3 34 Mbit/s Tributary Unit Þtted to plug-in unit positionS2 (backplane slot position 15)




Procedure 2-12Connections to High Speed TrafÞc Access Module


ÑendÑ

1 Identify the 34 Mbit/s 75 W traffic cords installed in Procedure 2-1.

2 Connect each cord in turn to its respective connector on the High Speed Traffic Access Module.

Figure 2-17


Figure 2-4


2

Figure 2-17


High Speed TrafÞc Access Module layout

HIG

H S

PE

ED

TR

AF

FIC

AC

CE

SS

MO

DU

LE25

UJJ

0075

0HT

D

MON

TX

RX

109

87

64

53

21


Connections - High Speed Aggregate Module


The High Speed Aggregate Module provides two Type 43 coaxial connectors for a single 155 Mbit/s (STM-1) electrical aggregate port. The upper connector provides the transmit (output) connection and the lower provides the receive (input) connection.

The High Speed Aggregate Modules may be located in SIA positions T7 and T9. They provide connections for the associated STM-1 Electrical Aggregate Units in positions S6 and S7 respectively.

Procedure 2-13Connections to High Speed Aggregate Module


ÑendÑ

1 Identify the High Speed Aggregate Module(s) and the 75 W coaxial cords (Table 2-7 Item 3).

Figure 2-18

2 Connect the transmit cord to the upper connector and receive cord to the lower connector.

3 Secure the cords using tyraps as required, ensuring that the cords are dressed to achieve the optimum vertical airflow through the subrack (see Procedure 2-1).


2

Figure 2-18


High Speed Aggregate Module layout

HIG

H S

PE

ED

AG

G M

OD

ULE

25U

JJ00

750G

YZ

TX

RX109

87

64

53

21


Connections - High Speed Tributary Module


The High Speed Tributary Module provides two Type 43 coaxial connectors for a single 155 Mbit/s (STM-1) electrical tributary port. The upper connector provides the transmit (output) connection and the lower connector provides the receive (input) connection.

The High Speed Tributary Modules may be located in SIA positions T3, T6, T11, and T14. They provide connections for the associated STM-1 Electrical Tributary Units in positions S2, S4, S9 and S11 respectively.

Procedure 2-14Connections to High Speed Tributary Module


ÑendÑ

1 Identify the High Speed Tributary Module(s) and the 75 W coaxial cords (Table 2-7 Item 3).

Figure 2-19

2 Connect the transmit cord to the upper connector and receive cord to the lower connector.

3 Secure the cords using tyraps as required, ensuring that the cords are dressed to achieve the optimum vertical airflow through the subrack (see Procedure 2-1).

Figure 2-4


2

Figure 2-19


High Speed Tributary Module layout

HIG

H S

PE

ED

TR

IB M

OD

ULE

25U

JJ00

750G

WY

TX

RX109

87

64

53

21


Connections - optical aggregate/tributary units


Procedure 2-15 is applicable to all optical aggregate and optical tributary units. Connections to the units are achieved PC-FC connectors Þtted to ruggedised Þbre cords. Attenuators are not required.

Figure 2-20Typical layout of optical units

CAUTIONOptical Þbres and connectorsWhen dressing Þbres, take care not to exceed the minimum bend radius (typically 35 mm) and not to overtighten tyraps used for dressing as damage may result

Refer to the warnings and cautions detailed in the ÔAbout this documentÕ section of this NTP for optical connector/Þbre handling and optical safety before starting this procedure.

Unit Lock/Ejector

ProtectiveCoverClosed Open

STM-1OPT

AGG

FAIL

SK

SK

SK

OpticalConnectors

LASERON TEST


2

Procedure 2-15


Connections to optical units


ÑcontinuedÑ

1 Run the optical cords into the subrack as follows:

ETSI RACKa. Undo the subrack mounting screws and slide the

subrack out until it reaches the slide-mount stops.

b. Run the cords down the designated fibre voids past thesubrack.

c. Open the fibre tray cover and feed the cords into thetray via the fibre turning device. Allow sufficient lengthfor terminating on the optical units.

d. Fit one fibre guide per cord to the tray and slide into thecorrect position.

e. Fit the cords into their fibre guide and go to Step 2.

OTHER RACK TYPESa. Run the cords down the designated fibre voids past the

subrack.

b. Open the fibre tray cover and feed the cords into thetray. As there are no fibre turning devices, extremecare should be taken not to exceed the minimumbending radius when routing the cords into the subrack.

c. The desired position should be maintained by lightlycleating with tyraps as required.

d. Fit one fibre guide per cord to the tray and slide into thecorrect position.

e. Fit the cords into their fibre guide and go to Step 2.

Figure 2-21

Figure 2-21

2 Remove the dust caps and clean the optical connectors using the cleaning kit (Table 2-1 Item 3).

3 Inspect the optical connectors using the microscope (Table 2-1 Item 2) and repeat Step 2 if necessary.

4 Using the top and bottom ejector levers, disengage each optical unit from the backplane and pull it forward sufficiently to enable the connector cover to be opened.

Figure 2-20


Procedure 2-15


Connections to optical units (continued)


ÑendÑ

Figure 2-21Optical Þbre routing

5 Connect the optical cords to their corresponding connectors on the optical units, ensuring that the key-way has engaged before tightening (upper connector Rx, lower connector Tx).

Figure 2-20

6 Close the optical connectors covers. Figure 2-20

7 Reinsert the optical units by fully opening the ejector levers, pushing the unit until the levers locate in the extrusion groove and close both levers simultaneously. Do not push on the front panel.

Figure 2-20

8 Taking care not to trap any optical cords, slide the subrack back into the rack and secure it.

9 Close the fibre tray cover.

Fibre Guidesclip to top railof fibre trayand slide tocorrect positionbelow optical PIU

View from Below

Subrack Sideplate


2

Single Þbre working mode


When operating in the single Þbre optical mode, 2-1 optical converter boxes (couplers) are used to perform the conversion between two Þbre and single Þbre working. The 2-1 optical converter box (NTKD0100, Table 2-6 Item 9) can be Þtted in the Þbre tray as shown in Figure 2-22. Up to 4 converter boxes can be Þtted in a TN-1X subrack.

Figure 2-22Single Þbre working couplers

Single Fibre to Connecting Mux

2-1 OpticalConverter

Box

Fibre Tray

Tx

RxOn OpticalUnit


Local Craft Access Panel


The Local Craft Access Panel (LCAP) provides a 25-way D-type connector for the CAT local terminal and a BT style telephone socket for the EOW handset. These connectors are located behind a hinged cover on the left of the panel.

Neither of the above connectors are required to be connected during installation of the subrack.

A second 25-way D-type connector, on the rear of the LCAP, provides connection to the Flexible Access Module.

No installation actions are required.

Figure 2-23LCAP layout

PIUArea

FibreTray

LCAP

SIA

Hinged Front Panel

CATTConnector

Traffic MonitorSockets

EOWHandsetSocket

REC ATTled

ALARMled

ALM ACKled

ESD(Wrist Strap

Socket)

Detail BehindHinged Panel


2

EOW telephone


The Engineering Order Wire (EOW) handset provides engineers access to the EOW speech system. The handset and its mounting bracket are supplied as a separate kit (see Appendix A, Table 3-9).

Procedure 2-16EOW telephone mounting


ÑendÑ

Figure 2-24EOW handset stowage

1 Use a suitable solvent to clean the underside of the LCAP.

2 Remove the paper from the adhesive pad on the bracket.

3 Position the bracket in the centre of the LCAP and align the tongue of the bracket on the rear of the LCAP.

Figure 2-24

4 Apply firm pressure for at least 5 seconds to ensure good adhesion.

5 Place the handset face down in the bracket and store the telephone plug in the retainer.

Figure 2-24

LCAP

FibreTray

EOWHandset

ServiceInterfaceArea


Fitting inÞlls, covers and designation labels


A subrack cover kit (25S KM00 750 HFL) is supplied with each subrack variant (see Appendix A Table 3-6). If the equipment is mounted in an NT ETSI rack, subrack inÞll panels are required (part of 25S KM00 750 HFL kit).

If the equipment is mounted in an NT ETSI rack, ÔdummyÕ covers can be Þtted, if required, to improve aesthetics (see Appendix A Table 3-7).

Procedure 2-17Fitting the inÞlls, covers and designation label


ÑendÑ

1 Identify the Station Interface Area cover assembly (this item is not used with 19" racks).

Figure 2-25

2 Ensure the locking screws are in the open position. Figure 2-25

3 Pull back the left and right latches simultaneously and locate the cover over the Station Interface Area of the subrack.

4 Release the latches and check that the cover is correctly located.

5 Turn the left and right locking screws counter-clockwise and clockwise respectively.

Figure 2-25

6 Identify the infill panels. These are used on ETSI racks only to conceal mounting flanges.

Figure 2-26

7 Locate each infill onto the mounting studs on the mounting flanges and firmly push it home until flush with the surrounding surfaces.

Figure 2-26

8 Identify the sheet of designation labels, listed in the installation kit parts lists (Appendix A Table 3-1 to Table 3-5).

9 Select the appropriate label corresponding to the position in which the subrack is mounted and fit it to the right hand side of the fibre tray cover as shown.

Figure 2-26

10 For ETSI racks only, when all the equipment is installed, any empty spaces can be fitted with dummy panels if required for aesthetic purposes (Appendix A Table 3-7).

11 Fit M6 cage nuts to the rack and secure brackets to these positions using M6 screws.

Figure 2-27

12 Push-fit the dummy covers onto the bracket studs (covers of 10 SU and above are also equipped with spring handles).

Figure 2-27


2

Figure 2-25


Station Interface Area cover assembly

northerntelecomS/DMSTransportNode

To open

Lock position

To open

Lock position

Locking screw

Latch (closed position)


Figure 2-26


Fibre tray cover, subrack label and inÞll panels

Figure 2-27Fitting dummy covers

end of chapter

2M TRIB(75 W)

P/LOADMNGR

POWERUNIT

SBRKCONT

STM1OPTAGG

Note: Shown with SIA cover removed

STM1OPTAGG

P/LOADMNGR

POWERUNIT

BLANKMODULE

BLANKMODULE

FAIL FAIL FAIL FAIL FAIL FAIL FAIL FAIL FAIL FAIL FAIL

SHELFPOSITION

21

RECEIVE ATT

25U

JU00

750G

XG

BLANKMODULE

ALARM ALM ACKESD

2M TRIB(75 W)

2M TRIB(75 W)

2M TRIB(75 W)

1 2 3 4 5 6 7 8 9 10

11 12

13

14

25U

JU00

750G

XG

25U

JU00

750G

XG

25U

JU00

750G

XG

25R

BN

0002

1AA

B

25R

BN

0002

1AA

B

25R

BN

0002

1AA

B

25U

TM

0075

0GW

A

25U

TM

0075

0GW

A

25U

PJ0

0750

GX

F

25U

PJ0

0750

GX

F

25U

PW

0075

0HA

Y

25U

PW

0075

0HA

Y

25U

MN

0075

0G

XD

Fibre Tray

SubrackDesignationLabel

SHELFPOSITION

21

Infill Panel

Bracket (2 Posns)with cover mountingstuds)

Dummy Cover

3-1

3Appendix A: Installation kits parts list 3-


Table 3-1Installation kit for NT ETSI rack (25S KM00 019 AAE)


1 25P NT90 021 AAA M6 captive nut (ETSI) 4

2 99P SW90 056 HAJ Screw, M4 x 8 mm, recessed pan head S/ST 10

3 99P WX90 019 HAA Washer, lock, crinkle, M4 S/ST 8

4 25P LB00 021 AEJ Subrack designation label, Þbre tray 1

5 25P GD00 021 AAA Fibre guide 4

6 25P SE00 021 AAA Fibre tray corner 2

7 25R BT00 021 ABQ ETSI Mounting Bracket Assembly 2

Table 3-2Installation kit for 23" rack (for example, OPAC cabinet)


1 25R BT00 021 ABR 23" mounting bracket assembly (left or right side) 2



3-2 Appendix A: Installation kits parts listA

Table 3-3


Installation kit for 19" rack (25S KM00 750 HNZ)


1 25R BT00 021 AAW 19" mounting bracket assy, right-hand side 1

2 25R BT00 021 AAX 19" mounting bracket assy, left-hand side 1

3 25P NT90 021 AAA M6 captive nut, ETSI 4

4 99P WX90 019 HAA Washer, lock, crinkle, M4 S/ST 8




8 99P SW90 053 LAN Screw M6x12, slotted pan head, S/ST 4

Table 3-4Installation kit for Rack 91 (25S KM00 750 HPB)


1 25R BT00 021 AAJ Mounting bracket assy, Rack 91 2

2 99P WX90 019 HAA Washer, lock, crinkle M4 S/ST 8





Table 3-5Installation kit for Rack 90 (25S KM00 750 HPC)


1 25R BT00 021 AAM Mounting bracket assy (Rack 90) 2

2 99P WX90 019 HAA Washer lock crinkle M4 S/ST 8

3 99P SW90 056 HAJ Screw M4 x 8 recessed pan head S/ST 10



6 25 P LB00 021 AEJ Subrack designation label Þbre tray 1

Appendix A: Installation kits parts listA 3-3

3


Table 3-6Subrack cover kit (25S KM00 750 HFL)


1 25P LB00 021 ACT Label Ð PEC Strip Upper 1

2 25P LB00 021 ACV Label Ð PEC Strip Lower 1

3 25P GD00 021 AAC SIM Card Guide 2

4 25P GD00 021 AAB SIA Card Guide 2

5 25P GD00 021 AAH SIA Slide (LH) 1

6 25P GD00 021 AAG SIA Slide (RH) 1

7 A0609505 Rivscrew ADVEL 1712-3010 8

8 25R CV00 021 AAA Station interface cover assembly 1

9 25R CV00 021 ABA Fibre tray front cover assembly 1

10 25P CV00 021 AAE L & R Subrack infills 2

Table 3-7NT ETSI rack dummy cover kits

Code Description

25S KM00 750 HPD ETSI rack dummy cover kit, 3 SU

25S KM00 750 HPE ETSI rack dummy cover kit, 4 SU

25S KM00 750 HPF ETSI rack dummy cover kit, 7 SU

25S KM00 750 HPG ETSI rack dummy cover kit, 10 SU

25S KM00 750 HPH ETSI rack dummy cover kit, 11 SU

25S KM00 750 HPJ ETSI rack dummy cover kit, 13 SU

25S KM00 750 HPK ETSI rack dummy cover kit, 21 SU

3-4 Appendix A: Installation kits parts listA

Table 3-8


end of chapter

TN-1X installation kit (25S KM00 807 ABL)


1 25S KM00 802 AAV Plain label kit (152 off) 1

2 25P CL00 801 QOO Tyrap large 20

3 25P CL00 008 ABC Tyrap small 15

4 25C PR13 001 GBG Fuse, size 0, 7 A 4

5 25P SK00 001 AAF Skt moulding, BT 237, 4-way (d.c. power) 1

6 25P CN00 002 AAG(see Note)

Pin, crimp, No 2A (d.c. power) 6

7 A0602517 Connector, female, 15-way D-type, IDC 1

8 25P SV00 005 ABL Shell, 15-way D-type 1

Note: Pins for 1.5 mm2 cables are supplied with the rack.

Table 3-9EOW handset kit (25S KM00 750 HZM)


1 25R BT00 021 ABH Bracket assembly EOW handset mounting 1

2 25Y TN00 750 AAA EOW DTMF telephone handset assembly 1

3 25P JC00 750 AAD EOW installation instruction sheet 1

4-1

Index 4-
120 W TrafÞc Access Module
connections 2-30D

4


layout 2-31port allocations 2-31

19" rackinstallation kit 3-2installing subrack 2-13trafÞc cables 2-8

23" rackinstallation kit 3-1

75 W Star Card Moduleconnections 2-24layout 2-25

75 W TrafÞc Access Moduleconnections 2-28layout 2-29port allocations 2-29

Ccable

dressing 2-11labelling 2-11routing 2-8, 2-9

cautions xviiconnections

120 W TrafÞc Access Module 2-3075 W Star Card Module 2-2475 W TrafÞc Access Module 2-28Flexible Access Module 2-26High Speed Aggregate Module 2-34High Speed TrafÞc Access Module 2-32High Speed Tributary Module 2-36LAN 2-20optical aggregate units 2-38optical tributary units 2-38power 2-23rack alarm bus 2-22Station Service Module 2-20

contents of package 1-2

delivery of package 1-1designation labels 2-44disposal of packaging 1-2dressing cables 2-11dummy covers 2-44

EEOW telephone 2-43equipment

core items 2-2plug-in units 2-2Service Interface Modules 2-3TrafÞc Interface Modules 2-3

FÞbre

labelling 2-11routing 2-40see also cable

Þbre turning devices 2-13, 2-15Flexible Access Module

connections 2-26layout 2-27

Hhandling of package 1-1High Speed Aggregate Module


High Speed TrafÞc Access Moduleconnections 2-32layout 2-33

High Speed Tributary Moduleconnections 2-36layout 2-37

4-2 Index

I unpacking 1-2


inÞll panels 2-44installation items 2-4installation kit

19" rack 3-223" rack 3-1NT ETSI rack 3-1, 3-2, 3-3, 3-4Rack 91 3-2, 3-3, 3-4

installation procedure 2-6installation tools 2-1installing

interface modules 2-16plug-in units 2-16subrack 2-13trafÞc cables 2-8

interface modulesinsertion/removal 2-16

Llabelling

cables 2-11Þbres 2-11

LAN connections 2-20LCAP, see Local Craft Access PanelLocal Craft Access Panel 2-42

NNortel service desk xiiiNT ETSI rack

dummy cover kits 3-3installation kit 3-1, 3-2, 3-3, 3-4installing subrack 2-13trafÞc cables 2-8

Ooff-loading of package 1-1OPAC cabinet 3-1optical aggregate units

connections 2-38optical tributary units

connections 2-38

Ppackage

contents 1-2delivery 1-1disposal 1-2handling 1-1storage 1-1

plug-in units 2-2insertion/removal 2-16

port allocations120 W TrafÞc Access Module 2-3175 W TrafÞc Access Module 2-29

power connections 2-23

RRack 90

installing subrack 2-13trafÞc cables 2-8

Rack 91installation kit 3-2, 3-3, 3-4installing subrack 2-13trafÞc cables 2-8

rack alarm busconnections 2-22

routingcables 2-8, 2-9Þbre 2-40

SService Interface Modules 2-3SIA, see Station Interface AreaSIM, see Service Interface Modulessingle Þbre working 2-41Station Interface Area 2-16, 2-44Station Service Module


storage of package 1-1subrack

brackets 2-15cover kit 3-3, 3-4Þbre turning devices 2-13, 2-15installation items 2-4installation procedure 2-13layout 1-4

support hotline xiii

Ttechnical support xiiiTIM, see TrafÞc Interface Modulestools

installation 2-1trafÞc cables

installation 2-8TrafÞc Interface Modules 2-3

Index 4-3

4

U


unpacking of package 1-2

Wwarnings xvii

International Broadband Networks (Dept18600)Nortel plcOakleigh Road SouthLondon, N11 1HB

So far as Northern Telecom is aware the contents of this document are correct. However, such contents have been obtained from a variety of sources and Northern Telecom can give no warranty or undertaking and make no representation as to their accuracy. In particular, Northern Telecom hereby expressly excludes liability for any form of consequential, indirect or special loss, and loss of data, loss of proÞts or loss of business opportunity, howsoever arising and whether sustained by the user of the information herein or any third party arising out of the contents of this document.

SDH TRANSMISSION


Copyright ã 1995, 1996, 1997 Northern Telecom

The copyright of this document is the property of Northern Telecom. Without the written consent of Northern Telecom, given by contract or otherwise, this document must not be copied, reprinted or reproduced in any material form, either wholly or in part, and the contents of this document, or any methods or techniques available therefrom, must not be disclosed to any other person whatsoever.

NORTHERN TELECOM CONFIDENTIAL: The information contained in this document is the property of Northern Telecom. Except as speciÞcally authorized in writing by Northern Telecom, the holder of this document shall protect same in whole or in part from disclosure and dissemination to third parties and use same for evaluation, operation, and maintenance purposes only.

Document Number: 323-1061-200Product Release Number: Release 7Document Status: StandardDate: October 1997Printed in England

TN-1X Installation Procedures R7

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