NEC Univerge SV9100, System Maintenance Manual, Page: 32 / 78

Issue 1.0 UNIVERGE SV9100
2 - 16
Ringing Problem on SLT
E2
Replace SLT.
Problem
solved?
Yes
Yes
Yes
No
No
No
SLT defective.
Check to see if ringing
problem is intermittent.
Intermittent
Problem?
Check to see if SLT is
call forwarded.
Call
Forward?
Cancel call
Forwarding.
Check GCD-4LCA /
GCD-8LCA for ring voltage
output with AC meter.
Pass
Fail
Busy
Idle
Check BLF indication
for station.
Replace GCD-4LCA /
RSG Test?
BLF
Indication?
Busy
Idle
Terminate SLT on MDF.
Check/replace
station cable.
BLF
Indication?
1. Reset/replace GCD-4LCA / GCD-8LCA and test.
2. Perform Second Initialization, and test; then
perform First Initialization and test.
3. Change GCD-CP10 and test using default
program.
Check MDF
connection.