Nortel Meridian Meridian 1 Parts list manual

Meridian 1
Hardware Replacement
Document Number: 553-3001-520
Document Release: Standard 17.00
Date: January 2002
Year Publish FCC TM
Copyright © 1990– 2002 Nortel Networks
All Rights Reserved
Printed 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 and Meridian 1 are trademarks of Nortel Networks. Intel and Pentium are trademarks of Intel Corporation.
cPCI is a trademark of PCI Industrial Computer Manufacturers Group.

Page 3 of 250
Hardware Replacement
Revision history
January 2002 Standard 17.00. This document is up-issued to support Meridian 1
Release 25.40 systems. This document is up-issued to include Call Processor
Pentium (CP PII) and Fibre Network Fabric (FNF) for Option 81C.
April 2000 Standard 16.00. This is a global document and is up-issued for
X11 Release 25.0x.
November 1999 Standard 15.00. This document is reissued to include information on the
NTRB33 Fiber Junctor Interface (FIJI) and NTRB34 Core Network Interface
3 (CNI-3) cards.
June 1999 Standard 14.00. This document is reissued for X11 Release 24.
October 1997 Standard 13.00. This document is reissued to include information on the
NT5D10 Call Processor Card, the NT5D61 Input/Output Disk Unit with CD-
ROM (IODU/C), and the NT5D30 Dual Intergroup Switch (DIGS) card.
Changes are noted by revision bars in the margins.
August 1996 Standard 12.00. This document is reissued to include Call Processor (CP)
card memory requirements for Release 22 and other technical information.
December 1995 Standard 11.00. This document is reissued to include information on the
NT9D19 Call Processor Card and the circuit card replacement procedure for
replacing an IOP and a CMDU with an IOP/CMDU.

Page 4 of 250
553-3001-520 Standard 17.00 January 2002
July 1995 Standard 10.00. This document is reissued to include international
information to create a global Nortel Networks technical publication (NTP),
Meridian1Option81C,and minortextedits. Changestotechnicalcontent are
noted by revision bars in the margins.
December 1994 Standard 9.0. Reissued for technical content.
December 1994 Standard 8.0. This document is reissued to include updated information on
the Small Systems Multi Disk Unit (SMDU), Meridian 1 Option 51C, and
edits. Changes to technical content are noted by revision bars in the margins.
April 1994 Standard 7.0. Reissued to include theinformationfor Meridian 1 Option 61C.
Changes to technical content are noted by revision bars in the margins.
August 1993 Standard 6.0. Changes to technical content are noted by revision bars in the
margins.
April 1993 Standard 5.0. New information and changes to technical content are noted by
revision bars in the margins.
December 1992 Standard 4.0. New information and changes to technical content are noted by
revision bars in the margins.
December 1991 Standard 3.0. This document is reissued to include technical content updates.
Due to the extent of the changes, revision bars are omitted.
July 1990 Standard 2.0.
January 1990 Standard 1.0.

Page 5 of 250
Hardware Replacement
6
Contents
About this document . . . . . . . . . . . . . . . . . . . . . . . 7
Accessing the system . . . . . . . . . . . . . . . . . . . . . . . 9
Hardware replacement guidelines . . . . . . . . . . . . . 15
Replacing equipment . . . . . . . . . . . . . . . . . . . . . . . 21
Replacing an NT7D10 PDU with an
NT7D67CB PDU . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243