Nortel Meridian Meridian 1 Instruction manual

Meridian 1
General Maintenance Information
Document Number: 553-3001-500
Document Release: Standard 15.00
Date: January 2002
Year Publis FCC TM
Copyrig t © 1990–2002 Nortel Networks
All Rig ts Reserved
Printed in Canada
IInformation is subject to c ange wit out notice. Nortel Networks reserves t e rig t to make c anges in design
or components as progress in engineering and manufacturing may warrant. T is equipment as been tested
and found to comply wit t e limits for a Class A digital device pursuant to Part 15 of t e FCC rules, and t e
radio interference regulations of Industry Canada. T ese limits are designed to provide reasonable protection
against armful interference w en t e equipment is operated in a commercial environment. T is equipment
generates, uses and can radiate radio frequency energy, and if not installed and used in accordance wit t e
instruction manual, may cause armful interference to radio communications. Operation of t is equipment in a
residential area is likely to cause armful interference in w ic case t e user will be required to correct t e
interference at t eir own expense.
SL-1 and Meridian 1 are trademarks of Nortel Networks.

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General Maintenance Information
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Revision history
January 2002
Standard 15.00. This is a global document and is up-issued for Meridian 1
Release 25.40.
April 2000
Standard 14.00. This is a global document and is up-issued for X11
Release 25.0x. ocument changes include removal of: redundant content;
references to equipment types except Options 11C, 51C, 61C, and 81C; and
references to previous software releases.
June 1999
Standard, release 13.00. This document is reissued for text edits. ue to the
extent of the changes, revision bars are not used.
ecember 1995
Standard, release 11.00. This document is reissued to include information on
the NT9 19 Call Processor Card. Changes are noted by revision bars in the
margins.
July 1995
Standard, release 10.00. This document is reissued to include information on
Meridian 1 option 81C and text edits. Changes are noted by revision bars in
the margins.
ecember 1994
Standard, release 9.0. This document is reissued to include the information on
Meridian 1 option 51C and other edits. Changes to technical content are noted
by revision bars in the margins.

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553-3001-500 Standard 15.00 January 2002
April 1994
Standard, release 8.0. This document is reissued to include the information on
Meridian 1 option 61C. Changes to technical content are noted by revision
bars in the margins.
April 1993
Standard, release 6.0. Changes to technical content are noted by revision bars
in the margins.
August 1993
Standard, release 7.0. Changes to technical content are noted by revision bars
in the margins.
ecember 1992
Standard, release 5.0. This document is reissued to include information on
system option 81 and equipment required for compatibility with X11 release
18. Only new information and changes to technical content are noted by
revision bars in the margins.
ecember 1991
Standard, release 4.0. This document is reissued to include technical content
updates. ue to the extent of the changes, revision bars are not used.
July 1990
Standard, release 3.0.
February 1990
Standard, release 2.0.
January 1990
Standard, release 1.0.

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Contents
About this document . . . . . . . . . . . . . . . . . . . . . . . 7
Precautions ............................... 9
Communicatingwiththesystem .............. 15
Routinemaintenance ....................... 25
Hardwaremaintenancetools ................. 27
Softwaremaintenancetools.................. 49
Userreports............................... 61
Technicalassistanceservice ................. 63

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553-3001-500 Standard 15.00 January 2002

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General Maintenance Information
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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.
This document describes maintenance features for all Meridian 1 systems.
The chapters in this document describe the following:
• Precautions: guidelines to avoid personal injury and equipment damage
• Communicating with the system: methods for exchanging information
with the system
• Routine maintenance: requirements for servicing batteries and air filters
• Hardware maintenance tools: descriptions of circuit card hardware, CPU
controls, system alarms, and system monitor indicators
• Software maintenance tools: descriptions of diagnostic programs, the
History File, and interactive diagnostics
• User reports: problems typically reported by users
• Customer technical assistance service: information on Nortel Networks
Technical Assistance Centers and services
This document does not provide procedures for locating faults, clearing
faults, or replacing equipment. See Fault Clearing (553-3001-510) to locate
and clear faults. See Hardware Replacement (553-3001-520) to replace faulty
equipment.

Page 8 of 72 About t is document
553-3001-500 Standard 15.00 January 2002
References
See the Meridian 1 Planning and Engineering Guide for the following:
•Library Navigator (553-3001-000)
•System verview (553-3001-100)
•Equipment Identification (553-3001-154)
See the Meridian 1 installation and maintenance guide for the following:
•System Installation Procedures (553-3001-210)
•Circuit Card: Installation and Testing (553-3001-211)
•Telephone and Attendant Console: Installation (553-3001-215)
•Fault Clearing (553-3001-510)
•Hardware Replacement (553-3001-520)
For an overview of software architecture, procedures for software installation
and management. and a detailed description of all features and services see
the following two documents:
•System Management (553-3001-300)
•Features and Services (553-3001-306)
See the Administration (553-3001-311) for a description of all administration
programs, Maintenance (553-3001-511) for maintenance programs, and the
System Messages (553-3001-411) for interpreting system messages.

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Meridian 1 General Maintenance Information
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Precautions
Contents
The following are the topics in this section:
Referencelist............................................. 9
General precautions . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Circuitcards .. .......................................... 10
atadisks.. ............................................. 12
Reference list
The following are the references in this section:
•X11 System Management (553-3001-300)

Page 10 of 72 Precautions
553-3001-500 Standard 15.00 January 2002
General precautions
Meridian 1 equipment is sensitive to static electricity and environmental
conditions. Follow the precautions in this chapter to avoid personal injury or
equipment damage.
Circuit cards
WARNING
Module covers are not hinged; do not let go of the covers. Lift covers
away from the module and set them out of your work area.
WARNING
To avoid the danger of electric shock, be very careful when you work
with power equipment and connections. Warning notices are displayed
and must be heeded.
There are no user repairable components or assemblies in the power
system. If a power unit fails, the complete unit must be replaced. o
not disassemble a power unit under any circumstances because of the
risk of electric shock.
WARNING
Circuit cards may contain a lithium battery. There is a danger of
explosion if the battery is incorrectly replaced. o not replace
components on any circuit card; you must replace the entire card.
ispose of circuit cards according to the manufacturer’s instructions.
WARNING
To avoid damage to circuit cards from static discharge, wear a
properly connected antistatic wrist strap when you work on Meridian 1
equipment.