Nortel Succession 1000 Operating and maintenance instructions

Meridian 1
Succession 1000
Succession 1000M
Succession 3.0 Software
ISDN Primary Rate Interface
Installation and Configuration
Document Number: 553-3001-201
Document Release: Standard 1.00
Date: October 2003
Year Publish FCC TM
Copyright © 2003 Nortel Networks
All Rights Reserved
Produced in Canada
Information is subject to change without notice. Nortel Networks reserves the right to make changes in design
or components as progress in engineering and manufacturing may warrant. This equipment has been tested
and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules, and the
radio interference regulations of Industry Canada. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at their own expense.
SL-1, Meridian 1, and Succession are trademarks of Nortel Networks.
Title page

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ISDN Primary Rate Interface Installation and Configuration
4
Revision history
October 2003
Standard 1.00. This document is a new NTP for Succession 3.0. It was created
to support a restructuring of the Documentation Library, which resulted in the
merging of multiple legacy NTPs. This new document consolidates
information previously contained in the following legacy documents, now
retired:
•ISDN Primary Rate Interface: Installation (553-2901-201)
•1.5Mb DTI/PRI: Description, Installation and Maintenance (553-3011-
310) (Content from 1.5Mb DTI/PRI: Description, Installation and
Maintenance (553-3011-310) also appears in ISDN Primary Rate
Interface: Maintenance (553-3001-517).)
•2.0Mb DTI/PRI: Description, Installation and Maintenance (553-3011-
315) (Content from 2.0Mb DTI/PRI: Description, Installation and
Maintenance (553-3011-315) also appears in ISDN Primary Rate
Interface: Maintenance (553-3001-517).)

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553-3001-201 Standard 1.00 October 2003

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ISDN Primary Rate Interface Installation and Configuration
10
Contents
About this document . . . . . . . . . . . . . . . . . . . . . . . 11
Subject .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Applicable systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Intended audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Conventions .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Related information .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ISDN Primary Rate Interface
equipment overview . . . . . . . . . . . . . . . . . . . . . . . . 17
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Primary Rate Interface (PRI) hardware requirements .. . . . . . . . . . . . . 19
ISDN Signaling Link (ISL) hardware . . . . . . . . . . . . . . . . . . . . . . . . . . 21
D-Channel Handler description .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
NT6D11 DCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
QPC757 DCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
NT6D80 MSDL .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
NTBK51 Downloadable D-Channel Daughterboard . . . . . . . . . . . . . . 30
Standard PRI cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
NT8D72 PRI2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
QPC720 PRI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Disk drive hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
NT5D97 Dual-port DTI2/PRI2 card . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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553-3001-201 Standard 1.00 October 2003
NT5D12 Dual-port DTI/PRI .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
DCH installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Install the NT6D11AB, NT6D11AE, NT6D11AF DCH . . . . . . . . . . . 101
Set up the NT6D11AB, NT6D11AE, NT6D11AF DCHI . . . . . . . . . . 102
Install the NT6D11AB, NT6D11AE, NT6D11AF DCHI . . . . . . . . . . 110
Remove the NT6D11AB, NT6D11AE, NT6D11AF DCH . . . . . . . . . 111
Install the QPC757 DCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
NTBK51 DDCH installation and removal . . . . . . . 117
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Introduction .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Install NTBK51 DDCH on NT5D97 dual-port DTI2/PRI2 card . . . . . 118
Remove NTBK51 DDCH from NT5D97 dual-port
DTI2/PRI2 card .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Install NTBK51 DDCH on NT5D12 dual-port DTI/PRI . . . . . . . . . . . 119
Remove NTBK51 DDCH from NT5D12 dual-port DTI/PRI . . . . . . . 120
MSDL installation for all systems . . . . . . . . . . . . . 123
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Install the MSDL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Replace the MSDL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
NT8D72 and QPC720 PRI card installation . . . . . 129
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Introduction .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
PRI circuit pack locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Install NT8D72 and QPC720 PRI cards on Large Systems . . . . . . . . . 152
Remove NT8D72 and QPC720 PRI cards from Large Systems . . . . . 154

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Install an additional network shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
NT5D97 Dual-port DTI2/PRI2
installation and removal . . . . . . . . . . . . . . . . . . . . . 157
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
NT5D97 circuit card locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Port definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Case Scenarios for replacing a digital trunk NT8D72BA, QPC536E, or
NTCK43 by a DDP2 card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
NT5D97AA/AB DIP switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . 160
NT5D97AD DIP switch settings .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Install the NT5D97 DDP2 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Remove the NT5D97 DDP2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Configure the NT5D97 DDP2 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
NT5D12 Dual-port DTI/PRI card installation . . . . . 177
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
NT5D12 circuit card locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Port definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Replacement scenarios of a digital trunk
(QPC720/QPC472) by a DDP card .. . . . . . . . . . . . . . . . . . . . . . . . . . . 178
NT5D12 switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Install the NT5D12 DDP .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Remove the NT5D12 DDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Configure the NT5D12 DDP .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Clock Controller description and installation . . . . 191
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

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553-3001-201 Standard 1.00 October 2003
Installation procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
ISL installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
ISL configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
DCHI switch settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
MSDL switch settings .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Shared mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Dedicated mode using leased line .. . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Dedicated mode using dial-up modem . . . . . . . . . . . . . . . . . . . . . . . . . 225
ISL installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Echo canceller installation . . . . . . . . . . . . . . . . . . 235
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Introduction .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Echo canceller operating parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Echo canceller initialization procedures . . . . . . . . . . . . . . . . . . . . . . . . 236
PRI to Echo canceller pin assignments .. . . . . . . . . . . . . . . . . . . . . . . . 236
Electromagnetic Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
1.5 Mb PRI implementation . . . . . . . . . . . . . . . . . . 239
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Overview .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Hardware requirements .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Install PRI hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
1.5 Mb DTI implementation . . . . . . . . . . . . . . . . . . 275
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Overview .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Hardware requirements .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

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Install DTI hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Software enable the DTI/PRI cards .. . . . . . . . . . . . . . . . . . . . . . . . . . . 278
1.5 Mb ISL implementation . . . . . . . . . . . . . . . . . . . 285
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Basic ISL implementation .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
2.0 Mb DTI implementation . . . . . . . . . . . . . . . . . . . 301
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
NTAK10 2.0 Mb DTI card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Install DTI hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
DTI software implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308
2.0 Mb PRI implementation . . . . . . . . . . . . . . . . . . . 333
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Install the NTAK79 PRI card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Install the NTBK50 PRI card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
PRI software implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
2.0 Mb ISL implementation . . . . . . . . . . . . . . . . . . . 371
Contents .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
ISL hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
ISL hardware installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
ISL software implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376

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553-3001-201 Standard 1.00 October 2003
Non-standard cables . . . . . . . . . . . . . . . . . . . . . . . 385
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
Introduction .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
NT5K40AA, NT5K41AA, NT5K86AA . . . . . . . . . . . . . . . . . . . . . . . 386
NT8D7206, NT8D7207 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
QCAD128 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
QCAD129 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388
QCAD133 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
NT8D7205 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
QCAD328 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
NT8D74 Clock Controller to InterGroup cable . . . . . . . . . . . . . . . . . . 392
NT8D75 Clock Controller to Clock Controller cable .. . . . . . . . . . . . . 393
NT8D79 PRI/DTI to Clock Controller cable . . . . . . . . . . . . . . . . . . . . 393
NT8D83 PRI/DTI to I/O cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
NT8D85 Network to PE cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
NT8D86 Network to I/O cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
NT8D97AX PRI/DTI I/O to MDF cable . . . . . . . . . . . . . . . . . . . . . . . 395
NT9J93AD PRI/DTI Echo Canceller to I/O cable . . . . . . . . . . . . . . . . 395
NTND26 PRI to MSDL cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395
NTND27 MSDL to I/O panel cables . . . . . . . . . . . . . . . . . . . . . . . . . . 395
NTND98 PRI to I/O panel cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396

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16
About this document
This document is a global document. Contact your system supplier or your
Nortel Networks representative to verify that the hardware and software
described is supported in your area.
Subject
This document describes the basic hardware and the associated installation
procedures needed to equip ISDN Primary Rate Interface (PRI) on
Succession 1000M, Succession 1000, and Meridian 1 systems.
Note on legacy products and releases
This NTP contains information about systems, components, and features that
are compatible with Succession 3.0 Software. For more information on
legacy products and releases, click the Technical Documentation link under
Support on the Nortel Networks home page:
http://www.nortelnetworks.com/
Applicable systems
This document applies to the following systems:
• Meridian 1 Option 11C Chassis
• Meridian 1 Option 11C Cabinet
• Meridian 1 Option 51C
• Meridian 1 Option 61
• Meridian 1 Option 61C

Page 12 of 396 About this document
553-3001-201 Standard 1.00 October 2003
• Meridian 1 Option 61C CP PII
• Meridian 1 Option 81
• Meridian 1 Option 81C
• Meridian 1 Option 81C CP PII
• Succession 1000
• Succession 1000M Chassis
• Succession 1000M Cabinet
• Succession 1000M Half Group
• Succession 1000M Single Group
• Succession 1000M Multi Group
Note that memory upgrades may be required to run Succession 3.0 Software
on CP3 or CP4 systems (Options 51C, 61, 61C, 81, 81C).
System migration
When particular Meridian 1 systems are upgraded to run Succession 3.0
Software and configured to include a Succession Signaling Server, they
become Succession 1000M systems. Table 1 lists each Meridian 1 system
that supports an upgrade path to a Succession 1000M system.
Table 1
Meridian 1 systems to Succession 1000M systems (Part 1 of 2)
This Meridian 1 system...
Maps to this
Succession 1000M system
Meridian 1 Option 11C Chassis Succession 1000M Chassis
Meridian 1 Option 11C Cabinet Succession 1000M Cabinet
Meridian 1 Option 51C Succession 1000M Half Group
Meridian 1 Option 61 Succession 1000M Single Group
Meridian 1 Option 61C Succession 1000M Single Group
Meridian 1 Option 61C CP PII Succession 1000M Single Group

About this document Page 13 of 396
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Note the following:
• When an Option 11C Mini system is upgraded to run Succession 3.0
Software, that system becomes a Meridian 1 Option 11C Chassis.
• When an Option 11C system is upgraded to run Succession 3.0 Software,
that system becomes a Meridian 1 Option 11C Cabinet.
For more information, see one or more of the following NTPs:
•Small System: Upgrade Procedures (553-3011-258)
•Large System: Upgrade Procedures (553-3021-258)
•Succession 1000 System: Upgrade Procedures (553-3031-258)
Intended audience
This document is intended for individuals responsible for installing and
configuring ISDN PRI.
Meridian 1 Option 81 Succession 1000M Multi Group
Meridian 1 Option 81C Succession 1000M Multi Group
Meridian 1 Option 81C CP PII Succession 1000M Multi Group
Table 1
Meridian 1 systems to Succession 1000M systems (Part 2 of 2)
This Meridian 1 system...
Maps to this
Succession 1000M system

Page 14 of 396 About this document
553-3001-201 Standard 1.00 October 2003
Conventions
Terminology
In this document, the following systems are referred to generically as
“system”:
•Meridian1
• Succession 1000
• Succession 1000M
The following systems are referred to generically as “Small System”:
• Succession 1000M Chassis
• Succession 1000M Cabinet
• Meridian 1 Option 11C Chassis
• Meridian 1 Option 11C Cabinet
The following systems are referred to generically as “Large System”:
• Meridian 1 Option 51C
• Meridian 1 Option 61
• Meridian 1 Option 61C
• Meridian 1 Option 61C CP PII
• Meridian 1 Option 81
• Meridian 1 Option 81C
• Meridian 1 Option 81C CP PII
• Succession 1000M Half Group
• Succession 1000M Single Group
• Succession 1000M Multi Group
The call processor in Succession 1000 and Succession 1000M systems is
referred to as the “Succession Call Server”.

About this document Page 15 of 396
ISDN Primary Rate Interface Installation and Configuration
Related information
This section lists information sources that relate to this document.
NTPs
The following NTPs are referenced in this document:
•Meridian Link ISDN/AP General Guide (553-2901-100)
•Spares Planning (553-3001-153)
•Circuit Card: Description and Installation (553-3001-211)
•Software Input/Output: Administration (553-3001-311)
•Software Input/Output: System Messages (553-3001-411)
•Software Input/Output: Maintenance (553-3001-511)
•ISDN Primary Rate Interface: Maintenance (553-3001-517)
•Small System: Planning and Engineering (553-3011-120)
Online
To access Nortel Networks documentation online, click the
Technical Documentation link under Support on the Nortel Networks
home page:
http://www.nortelnetworks.com/
CD-ROM
To obtain Nortel Networks documentation on CD-ROM, contact your
Nortel Networks customer representative.

Page 16 of 396 About this document
553-3001-201 Standard 1.00 October 2003

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ISDN Primary Rate Interface Installation and Configuration
100
ISDN Primary Rate Interface
equipment overview
Contents
The section contains information on the following topics:
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Primary Rate Interface (PRI) hardware requirements. . . . . . . . . . . . . . 19
ISDN Signaling Link (ISL) hardware . . . . . . . . . . . . . . . . . . . . . . . . . . 21
64 Kb/s Clear Data Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
D-Channel Handler description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
NT6D11 DCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
DCH/PRI interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
DCH faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
QPC757 DCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
DCH/PRI interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
QPC757 faceplate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
NT6D80 MSDL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
MSDL/PRI interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
MSDL faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
NTBK51 Downloadable D-Channel Daughterboard . . . . . . . . . . . . . . 30
Standard PRI cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
NT8D72 PRI2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

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Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
NT8D72 faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Carrier interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Echo canceller interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
QMT21 High Speed Data Module . . . . . . . . . . . . . . . . . . . . . . . . . . 35
QPC720 PRI for 1.5/2.0 Mb gateway . . . . . . . . . . . . . . . . . . . . . . . 35
Clock operation for the NT8D72 . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
QPC720 PRI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
QPC720 faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
QPC720 Cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Carrier interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Echo Canceller interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
64 T-link version 2 protocol. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Disk drive hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
NT5D97 Dual-port DTI2/PRI2 card. . . . . . . . . . . . . . . . . . . . . . . . . . . 43
External D-Channel Interface DCH or MSDL . . . . . . . . . . . . . . . . 44
NT5D97 faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
System capacity and performance . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Testability and diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cable diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Clock for the NT5D97 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
NT5D12 Dual-port DTI/PRI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
D-Channel and MSDL interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
NT5D12 faceplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
System capacity and performance . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Testability and diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
NT5D12 Cable requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Trunk Tip/Ring cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Reference clock cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
MSDL/DCHI cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Cable diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

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Reference clock errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Automatic clock recovery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Automatic clock switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Clock configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Introduction
This chapter describes the basic hardware needed to equip ISDN PRI on
Succession 1000M, Succession 1000, and Meridian 1 systems.
Primary Rate Interface (PRI) hardware requirements
The following hardware is required to equip ISDN PRI on a Large System:
• NT6D11(AB/AE/AF) D-Channel Interface (DCH) card (for 2.0 Mb PRI)
• QPC757 D-channel Interface (DCH) for (1.5 Mb PRI)
• NT6D80 Multipurpose Serial Data Link (MSDL) card
• NTBK51 Downloadable D-Channel Daughterboard (DDCH), the
NT5D97 dual-port DTI2/PRI2 card, or the NT5D12 dual-port 1.5 Mb
DTI/PRI card
• NT8D72 (AB/BA) PRI2 card
• NT5D97 dual-port DTI2/PRI2 card
• QPC720 1.5 Mb PRI card
• NT5D12 dual-port 1.5 DTI/PRI card
• QPC775 or NTRB53 Clock Controller
Note: The NTRB53 Clock Controller cannot be combined with a
QPC775 or a QPC471 card in one system
Additional hardware is also required for PRI capability and applications.
Installation instructions are given in other Nortel Networks publications, or
supplied by the manufacturer. This additional hardware includes:
• QPC414 Network card
• Channel Service Unit (CSU)

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• Echo canceller
• ROM circuit card requirements:
— the QPC939A for a Succession 1000M Half Group
— the QPC939A for Succession 1000M Single Group
Note: Succession 1000M Multi Group ROM requirements are fulfilled
by the NT6D66 Call Processor (CP) card.
• QMT8 Asynchronous Data Module (ADM)
See Figure 1 for a representation of the basic PRI system hardware.
Note: Figure 1 shows a basic configuration, not the dual-port NT5D12
DTI/PRI card, nor the associated dual-port NTBK51AA Downloadable
D-Channel daughterboard.