AT&T 999-507-144 system manual Possible Cause 6 Faulty telephone company wiring

SYMPTOM: You can't place outside calls (continued).

Possible Cause 6: Faulty telephone company wiring.

		Do This		If	Then
At the control unit location,				The trouble appears on the	Go to Possible Cause 7.
find the		network	interface	basic telephone and the
associated with the outside				network interface uses a line
line from which you cannot				adapter
make a call. Unplug the
line cord from the network				The trouble appears on the	Your outside line is faulty.
interface and, in its place,				basic telephone, and the	Report the trouble to your
plug in a basic Touch-Tone				network interface does not	local telephone company
or rotary telephone. (Do not				have a line adapter	representative.
use a MERLIN system
voice	terminal.)		Try to
place	an	outside	call
from	the	telephone.

Possible Cause 7: Faulty network interface line adapter.

	Do This			I f		Then
Replace	the	network	The trouble still appears on		Your outside lines are faulty.
interface	line	adapter with	the	basic telephone	Report the trouble to your
another one. Plug the basic					local	telephone company
telephone into each of the					representative.
jacks, and try to place an
outside	call.
			The trouble does not appear		The old line adapter is
			on	the basic telephone	faultry. Replace it with a
					new	line adapter.

Troubleshooting Procedures 7-3