NEC UNIVERGE SV9100 System Maintenance Manual page 23

UNIVERGE SV9100
Check CO lines at MDF with test
set to see if they are DTMF or
DP.
Check PRG 14-01-10
Selection to ensure lines are
programmed for DP.
Program as DP.
1. If lines are DTMF, increase the DTMF duration in
PRG 80-02-01.
2. If lines are DP, choose 10 or 20 pps option in
PRG 14-02-01.
3. Check off-hook CO line current.
System Maintenance Manual
CO/PBX Dialing Problem: Cannot Dial Out on CO
No
DTMF
DP or
DTMF?
DP
DP
Programmed
for?
DTMF
C4
SLT
problem
only?
DTMF
Check CO lines at MDF with test
set to see if they are DTMF or
DP.
DP or
DTMF?
DP
Program lines for DTMF.
Monitor Line with test set, and verify if system
is sending digits.
Yes
Digits Sent?
1. Reset GCD-4COTA. If trouble persists, go to next step.
2. Replace GCD-CP10, and test.
3.
Perform Second Initialization, and test.
4. Perform First Initialization, and test.
5. Replace GCD-CP10.
Check PRG 15-03-01.
DP
Line type
program?
Check CO lines at MDF with test
set to see if they are DTMF or
DP.
DTMF
DP
DP or
DTMF?
Program lines for DP.
No
Issue 1.0
DTMF
11