Instruction manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Index
Page IN-3
Central office, checking problems, 1-29
Checking system and slot status, 4-134
Checking the power supply, 4-2
Circuit pack, 3-1
Cold start, 1-23
Computer Telephony Integration (CTI) link problems
overview
, 4-118
removing
link shutdown
, 4-131
permanent, 4-131
removing, overview, 4-130
restart procedure, 4-125
test procedure, 4-122
varying hiding time procedure, 4-128
viewing status procedure, 4-119
Conclusion of hardware maintenance, 5-41
Control unit
housing
installing Release 2.0 or earlier
, 5-44
installing Release 2.1 or later, 5-41
removing, 1-18
D
Dial tone, 3-9
Digital Subscriber Line (DSL)
Busy-out
, 5-19
maintenance-busy status, 5-12
restoring, 5-27
Direct Inward Dialing (DID) modules, power requirements, 1-30
Direct Inward Dialing (DID), unit loads, 1-30
Direct Station Selector (DSS), 3-6
DS1 PRI B-channels
auditing
overview
, 5-34
auditing lines
procedure
, 5-35 to 5-38
E
Electromagnetic interference information, A-2
Equal Access Codes, A-7
Error code display, 1-22
Error codes, 2-5 to 2-9