NEC Univerge SV9100 - Page 21

System Maintenance Manual
UNIVERGE SV9100
Issue 1.0
9
C2
Check DC voltages with a
meter and AC power with a
line disturbance analyser
Increase Automatic Release Signal
Detection Time. Refer to PRG 14-02-09.
Perform First Initialization.
Replace GCD-CP10, and test
system using default program.
Have Telco check Line
circuit(s).
Return Defective blade for
repair.
See if problem exists on all
Lines.
Check outside line key after
call drops.
Check GCD-4COTA LED.
1. Perform Second Initialization. If trouble persists
go to step 2.
2. Replace GCD-4COTA. Test.
Call Dropping
No
Calls
dropped on
all lines?
Yes
No
All
lines at same
time?
Yes
Line Key
LED Status?
Off
GCD-4COTA
LED Status?
On
No
Problem
Solved?
Yes