Lucent Technologies MERLIN Plus Release 2 System Manual page 319

Possible Cause 6:
Faulty telephone company wiring.
Do This
At the control unit location,
find the network interface
associated with the outside
line from which you cannot
make a call. Unplug the
line cord from the network
interface and, in its place,
plug in a basic Touch-Tone
or rotary telephone. (Do not
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
Replace the net work
interface line adapter with
another one. Plug the basic
telephone into each of the
jacks. and try to place an
outside call.
If
The trouble appears on the
basic telephone and the
network interface uses a line
adapter
The trouble appears on the
basic telephone, and the
network interface does not
have a line adapter
If
The trouble still appears on
the basic telephone
The trouble does not appear
on the basic telephone
Troubleshooting Procedures
Then
Go to Possible Cause 7.
Your outside line is faulty.
Report the trouble to your
local telephone company
representative.
Then
Your outside lines are faulty.
Report the trouble to your
local telephone company
representative.
The old line adapter is faulty.
Replace it with a new line
adapter.
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