Instruction manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Contents
Page iv
System Requirements
for Touch-Tone Receivers 3-8
4 Control Unit Problems 4-1
Backing Up System Programming 4-1
Power Supply Problems 4-2
Processor Problems 4-12
Module Problems 4-34
800 NI-BRI Module Problems 4-78
100D Module Problems 4-103
CTI Link Problems 4-118
Removing a CTI Link 4-130
Carrier Problems 4-132
Checking System and Slot Status 4-134
5 Central Office Problems 5-1
Trunk Errors 5-1
Checking Ports 5-8
Conclusion of Hardware Maintenance 5-41
A Customer Support Information A-1
Support Telephone Number A-1
Federal Communications
Commission (FCC) Electromagnetic
Interference Information A-2
Canadian Department of Communications (DOC)
Interference Information A-2
FCC Notification
and Repair Information A-3
Installation
and Operational Procedures A-5
DOC Notification
and Repair Information A-7