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14 - 12 System Maintenance
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Document Revision 3 Electra Elite IPK II
CO/PBX Dialing Problem: Cannot Dial Out on CO
SLT
problem
only?
Check
PRG 15-03-01.
Check CO lines at MDF
with test set to see if they
are DTMF or DP.
DP or
DTMF?
DTMF
DP
Line type
program?
Check PRG 14-01-10
Selection to ensure lines are
programmed for DP.
DTMF
DP
DP
DTMF
DP
DP
DTMF
Check CO lines at MDF
with test set to see if they
are DTMF or DP.
Check CO lines at MDF
with test set to see if they
are DTMF or DP.
DP or
DTMF?
DP or
DTMF?
Program lines for DTMF.
Program lines for DP.
Program as DP.
Yes
No
Digits Sent?
Monitor Line with test set, and
verify if system is sending digits.
Programmed
for?
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.
1. Reset COI(8)-U1- ETU. If trouble persists,
go to next step.
2. Replace CPUII( )-U( ) ETU, and test.
3. Perform Second Initialization, and test.
4. Perform First Initialization, and test.
5. Replace CPUII( )-U( ) ETU ETU.
No
Yes
C4
DTMF
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