Control Unit Problems; Backing Up System Programming - Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual
Communications system
Hide thumbs
Also See for MERLIN LEGEND Release 5.0:
- System programming manual (949 pages) ,
- Feature reference (869 pages) ,
- System planning manual (394 pages)
Table of Contents
Advertisement
MERLIN LEGEND Communications System Release 5.0
MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Maintenance and Troubleshooting
Control Unit Problems
Backing Up System Programming
Control Unit Problems
4
The next step, after resolving problems with telephones, adjuncts, and related
wiring, is to troubleshoot the control unit. Troubleshoot the control unit
components in the following order:
Power supply
Processor
Line/trunk and extension modules (hereafter referred to as modules)
Carrier
!
!
WARNING:
Beware of hazardous voltages. Only qualified technicians should attempt
to service the control unit. Follow all procedures carefully.
Backing Up System Programming
Before performing any procedure that requires powering down the system, save
system programming in one of the following ways:
Save the system programming to a floppy disk. See System
Programming and Maintenance (SPM) for detailed instructions.
Issue 1
Issue 1
June 1997
June 1997
Page 4-1
4
Advertisement
Table of Contents
