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14 - 10
System Maintenance
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Document Revision 3
Electra Elite IPK II
Call Dropping
See if problem exists
on all Lines.
Check DC voltages with
a meter and AC power
with a line disturbance
analyzer.
Calls
dropped on
all lines?
Yes
Yes
No
No
All
lines at same
time?
Check outside line key
after call drops.
CO
Line Key
LED Status?
C
heck COI(8)-U10 LED.
Have Telco check line circuits.
Increase Automatic Release
Signal Detection Time. Refer to
PRG 14-02-09.
COI(8)-U10
LED Status?
Off
On
Have Telco check
Line circuit(s).
Problem
Solved?
Return Defective ETU
for repair.
Perform First Initialization.
Replace CPUII( )-U( ) ETU,
and test system using
default program.
1. Perform Second Initialization.
If trouble persists go to step 2.
2. Replace COI(8)-U10 ETU. Test.
On
Off
Yes
No
C2
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