NEC Univerge SV8100, Руководство по техническому обслуживанию системы

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Issue 1.0 UNIVERGE SV8100
2 - 10 System Maintenance
No Outside Dial Tone Access
Multiline
Terminal or SLT?
SLT
Check for Internal
Dial tone.
Check for Internal
Dial tone.
Internal
Dial Tone?
Internal
Dial Tone?
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
1. Perform Second
Initialization.
2. Reset and test
CD-4LCA /
CD-8LCA
3. Replace and test
CD-4LCA
/ CD-8LCA .
1. Reset terminal
and test.
2. Replace terminal
OR
Reset CD-8DLCA
and test.
3. Replace CD-8DLCA
and test.
Leave an CD-4LCA .
CD-8LCA and an
CD-8DLCA installed. Go to
Flowchart A1.
All
Terminals
affected?
Check for Internal
Dial tone.
Internal
Dial Tone?
Go to Flowchart
A1.
Test for CO dial
tone at MDF with
test set, and check
CO wiring.
Have Telco
check lines.
1. Check PRG 21-04 and PRG 14-01-07
for Station Restriction.
2. Check PRG 15-06 for Trunk access.
Check conduit and frame ground to
system for ground start trunks.
CO
Dial Tone?
1. Reset and test; replace CD-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 CD-CP00-US, and test using default program.
C3
Both
Multiline Terminal