NEC UNIVERGE SV9100 System Maintenance Manual page 22

Issue 1.0
All
Yes
Terminals
affected?
Check for Internal Dial
tone.
Internal
Dial Tone?
Yes
Check conduit and frame ground to system
for ground start trunks.
1. Reset and test; replace GCD-4COTA and test. If trouble persists go to step 2.
2.
Perform Second Initialization. If trouble persists go to step 3.
3. Perform First Initialization. If trouble persists go to step 4.
4. Replace GCD-CP10, and test using default program.
10
Multiline Terminal
No
1. Reset terminal and test.
2. Replace terminal
OR
3. Reset GCD-8DLCA a nd
test.
4. Replace GCD-8DLCA
and test.
No
Test for CO dial tone at
MDF with test set, and
check CO wiring.
C3
No Outside Dial Tone Access
Multiline
Terminal or SLT?
Both
Check for Internal Dial tone.
Dial Tone?
Go to Flowchart A1.
1.
2.
Have Telco check
CO
Dial Tone?
UNIVERGE SV9100
SLT
Check for Internal Dial tone.
Internal
Dial Tone?
Yes
1.
Yes
2.
3.
GCD-4LCF
GCD-8DLCA installed. Go to
Check PRG 21-04 and PRG 14-01-07 for Station
Restriction.
Check PRG 15-06 for Trunk access.
lines.
System Maintenance
No
Perform Second
initialization
Reset and test G CD-
4LCF/ G C D-8LCE
Replace and test
/ CD-8LCA
Leave an GCD-4LCF.
GCD-8LCF and an
Flowchart A1.