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NDA-24300 CHAPTER 5
Page 331
Issue 1
FAULT REPAIR PROCEDURES
3.3 ATTCON/DESKCON Fault
Note 1:
No speech can be made.
Note 2:
While replacement of the ATI circuit card
for the master ATTCON/DESKCON is in
progress, the system is placed under Night
Mode.
On the ATTCON/DESKCON, LCHK
(Lamp Check) key has been pressed but
no lamps have illuminated.
Check the ATT connector cable between the
ATTCON/DESKCON and the PBX.
When the OPE lamp of the ATI (PA-
CS33) circuit card does not illuminate
Confirm that MB switch of the ATI circuit
card is in ON position (UP side).
Confirm that trunk data (ATRK command) in
the ATI circuit card are assigned.
Replace the ATI circuit card with a spare.
When the BL lamp of the ATI circuit card
is flashing or illuminating
Confirm that MB switch of the ATI circuit
card is in ON position (UP side).
Use MBTK command to confirm ATI circuit
card is placed into make-busy state.
Check assignment of ATI data (ATRK
command.)
Replace the ATI circuit card with a spare.
When keys cannot be operated Replace the operator’s headset.
Replace the ATI circuit card with a spare.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
START
END