Installation guide

TROUBLE ON SEVERAL TELEPHONES
Ringing
Symptom:
Voice terminals have a peculiar ring, lights flash randomly, and users often hear
clicks through the handset.
Possible Cause
Recommended Action
Feature cartridge was plugged in
Unplug the ac power cord, remove and reinsert the
with ac power on.
feature cartridge, and plug in the ac power cord.
B1-5