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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Contents
Page iv
■ Reset System 2 (System Cold Start
Without Translations Loading) 4-2
■ Reset System 3 (System Cold Start
With Translations Loading) 4-3
■ Reset System 4 (System Reboot) 4-4
■ Reset System 5 (System Reboot and
Run All 24-Hour Tests) 4-5
■ Reset System Interchange (High or
Critical Reliability Systems Only) 4-7
■ Procedure for SPE-Down Mode 4-8
■ Procedure for Duplication Interface —
Processing Element Communication Down 4-11
5 Routine Maintenance Procedures 5-1
■ Suppress Alarm Origination [y] 5-1
■ Handling Control Circuit Packs 5-1
■ TN790 Processor Circuit Pack (Memory) 5-4
■ Removing Power 5-4
■ Restoring Power 5-6
■ Troubleshooting Control Cabinet Power Units 5-9
■ Replacing Components (Release 5vs or Later) 5-10
■ System Backup 5-14
■ Software Upgrade 5-19
■ Preventive Maintenance Procedures 5-36
■ System Features 5-37
■ Troubleshooting Backplane Voltage Problems 5-62
■ Troubleshooting Multimedia Call Handling (MMCH) 5-62
■ Install DS1 CPE Loopback Jack (T1 Only) 5-69
6 Reliability Systems: A Maintenance Aid 6-1
■ General 6-1
■ Reliability Options 6-2
■ Duplicated Hardware 6-4
■ Duplication Concepts 6-8
■ System Technician Commands for
High and Critical Reliability Systems 6-13
■ Processor Complex Circuit Pack LED Strategies 6-16
■ Repair Procedures for High and Critical Reliability 6-18