D9000/D7000 Series Installation and Troubleshooting Quick Reference
Page 9
33317D 4/97
Communications Failure
(Continued)
Symptom
Diagnosis
Remedy
The line rings but
the D6500
receiver does not
pick up.
RING indicator on
line card does not
light. Can not hear
ring with headset
at receiver
location.
Line is not ringing at
the receiver.
1.
Verify that the lines are correctly
connected to the receiver.
2.
Verify that correct prefixes and phone
numbers for the receiver have been
programmed into the D9412/D9112.
If completing the steps above does not correct
the problem, contact your telephone company
repair service.
The panel is
unable to call out
when all 248
points are faulted.
The total current draw
is too much for the
panel.
Put command centers on a separate power
supply to get maximum current draw from
points in alarm.
The line rings but
the receiver does
not pick up.
RING indicator on
line card lights.
Can hear ring with
test set at receiver
location.
Line card in receiver
may be faulty.
Review receiver manuals for trouble shooting
procedures.
The D9412/D9112
reaches a busy
signal for all ten
attempts to reach
the receiver.
Calls are not reaching
the receiver.
1.
Verify that correct prefixes and phone
numbers for the receiver have been
programmed into the D9412/D9112.
2.
Verify that the phone lines are not shorted
between the phone company's equipment
and the receiver by placing a call to the
number for the receiver. If you hear the
line ring, but the ring detector doesn't light,
or if you hear a busy signal and the green
on line (OL) indicator is not lit, call the
phone company for service.
The receiver's call
load is too great.
Additional line cards and phone lines may be
needed for the receiver.
The receiver
answers the call
and provides an
acknowledgment
tone, but the
communicator
does not transmit
reports.
The receiver is not
producing the correct
acknowledgment tone.
Verify that the receiver is producing a 1400
Hz, 2300 Hz, or Modem II acknowledgment
tone.
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