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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
About This Book
Page xxiiiOrganization
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Organization
This book is organized into two volumes: volume 1 contains Chapters 1 through
9, and volume 2 contains Chapter 10.
■ Chapter 1, ‘‘Maintenance Architecture’’ describes the system’s design
and maintenance strategy.
■ Chapter 2, ‘‘Circuit Packs and Power’’ describes DEFINITY circuit
packs. It also explains how power is supplied to the system.
■ Chapter 3, ‘‘Management Terminals’’ describes the various
management terminals that can be used on the system and how to set up
the terminals.
■ Chapter 4, ‘‘Initialization and Recovery’’ describes the various reset
and reboot processes, and discusses how these processes are used to
perform maintenance and to recover systems or subsystems that are out
of service.
■ Chapter 5, ‘‘Routine Maintenance Procedures’’ discusses common
maintenance tasks, including: removing and installing circuit packs,
removing and restoring power, performing system backups, upgrading
software, and various testing and troubleshooting procedures.
■ Chapter 6, ‘‘Reliability Systems: A Maintenance Aid’’ provides detailed
hardware and functional descriptions as well as additional repair strategy
(in addition to the procedures provided in this document) for Standard,
High, and Critical Reliability systems.
■ Chapter 7, ‘‘LED Interpretation’’ is a quick reference to interpreting
circuit pack LEDs.
■ Chapter 8, ‘‘Maintenance Commands and Trouble-Clearing Aids’’ has
the maintenance commands, and explains how to use these commands
using the management terminal. Specific command syntax plus typical
forms and display output are also given in the chapter.
■ Chapter 9, ‘‘Packet Bus Fault Isolation and Correction’’ describes
Pack Bus maintenance and the interactions of the bus with Packet circuit
packs. The chapter also discusses how Packet Bus faults are isolated and
corrected.
■ Chapter 10, ‘‘Maintenance Object Repair Procedures’’ has specific
troubleshooting and repair instructions for every component in the system.
The chapter contains repair procedures for system-alarmed and user-
reported troubles. For each MO, a table lists the alarm level, hardware
error associated with the MO, and the associated test that caused the
error. The test sequences and the specific command line entry required to