Testing The Power Failure Transfer Jacks - Lucent Technologies MERLIN LEGEND Release 5.0 Installation Manual

MERLIN LEGEND Communications System Release 5.0
Installation 555-650-140
Initializing and Testing the System
Testing the System

Testing the Power Failure Transfer Jacks

To test a power failure transfer (PFT) jack for proper operation, you must assign
the outside line numbers to the module's line/trunk jacks and the trunks must be
operational. A PFT telephone on a GS line must have a GS button attached to
the telephone. See
Figure 7-1. Ground-Start Button
To test PFT jacks, follow the steps below:
Plug a touch-tone or rotary dial telephone into a PFT jack.

Note the outside line number assigned to the lowest line/trunk jack

on the module and be sure that the outside trunk is connected to
the system.
Turn off power to the control unit.

Follow the procedure in
If the telephone is connected to a GS trunk, push the GS button

attached to the telephone.
Pick up the handset on the touch-tone or rotary dial telephone.

You should hear a dial tone.
Figure 7-1.
''Powering Down the System''
Ground-Start Button
Issue 1
June 1997
Page 7-18
in Chapter 9.