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BIS-34 LIGHTS DON'T
GO OFF
Symptom: When a call is terminated at a BIS-34 Voice
terminal, the line button lights do not go off.
Possible Cause
Possible Solution
To Investigate Further
Misadministration of the
Check to see if the BIS-34
BIS/HFAI voice terminal.
voice terminal has been
administered as a membrane
button set. If it has,
readminister the set to
remove the membrane button
administration (Refer to
"Identifying Analog Voice
Terminal Type" on page 3-41
for instructions.)
HFAI-10 LIGHTS
DON'T TURN ON
Symptom: When a call is answered at a HFAI-10 voice
terminal, the lights do not turn on.
Possible Cause
Possible Solution
To Investigate Further
Misadministration of the
Check to see if the HFAI-10
BIS/HFAI voice terminal.
voice terminal has been
administered as a membrane
button set. If it has,
readminister the set to
remove the membrane button
administration. (Refer to
“’Identifying Analog Voice
Terminal Type”’ on page 3-41
for instructions.)
Procedures for Specific Symptoms
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