Symptom; Operator Cannot Hear Or Be Heard Properly - Nortel Meridian 1 Planning, Installation And Operating Instructions

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Symptom:

Operator cannot hear or be heard properly

Possible cause
Defective headset or
handset
Defective console
Defective Peripheral
Equipment circuit card
553-3121-210 Standard 3.0
Chapter 25 — Fault locating and clearing
The attendant console operates, but the user cannot hear or be heard properly.
Look up all system messages in the Option 11C Compact software guide and
follow the instructions given. If the fault does not clear, use this procedure.
Constantly observe and look up system messages as you perform this
procedure.
Action
Make sure the handset or headset is plugged into the correct jack
on the console.
Try another handset or headset.
If the test equipment works, replace the equipment.
If there is still a console problem, go to the next possible cause.
Test the console by entering
LD 31
(See the Option 11C Compact software guide for information on
testing consoles with LD 31.)
If the console fails the test, replace it.
If the console passes the test, go to the next possible cause.
Software disable each TN by entering
LD 32
DISU c u
("c u" represents card and unit number)
Disconnect the wiring between the PE circuit card and the
cross-connect terminal.
Re-enable and test each TN by entering
ENLU c u
Wait for an OVD message. If you receive a message indicating a
problem with the circuit card or unit, replace the circuit card.
If you do not receive a message indicating a problem with the circuit
card or unit, reconnect the wiring and go to the next possible cause.
January 1999
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