Ring; No Outside Dial Tone Access - NEC UNIVERGE SV9100 System Maintenance Manual

Issue 1.0
All
Yes
Terminals
affected?
Check for Internal
Dial tone.
No
Internal
Dial Tone?
Yes
Check conduit and frame ground to
system for ground start trunks.
1. Reset and test; replace GCD-4COTB 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.
2 - 10

No Outside Dial Tone Access

Multiline Terminal
No
1. Reset terminal
and test.
2. Replace terminal
OR
Reset GCD-8DLCA
and test.
3. Replace GCD-8DLCA
and test.
Test for CO dial
tone at MDF with
test set, and check
CO wiring.
Yes
CO
Dial Tone?
C3
SLT
Multiline
Terminal or SLT?
Both
Check for Internal
Dial tone.
Yes
Internal
Dial Tone?
No
Go to Flowchart
A1.
1. Check PRG 21-04 and PRG 14-01-07
for Station Restriction.
2. Check PRG 15-06 for Trunk access.
No
Have Telco
check lines.
UNIVERGE SV9100
Check for Internal
Dial tone.
No
Internal
Dial Tone?
Yes
1. Perform Second
Initialization.
2. Reset and test
GCD-4LCA /
GCD-8LCA
3. Replace and test
GCD-4LCA /
GCD-8LCA .
Leave an GCD-4LCA.
GCD-8LCA and an
GCD-8DLCA installed. Go
to Flowchart A1.