AT&T MERLIN LEGEND Installation & Maintenance Manual page 238

Installation
Pick up the handset and press a button for any outside
2.
line/trunk. Dial the CO line/trunk access code and the number
of a CO line/trunk that receives Night Service coverage.
Verify that the telephones assigned to the Night Service
3.
group are ringing.
4. Have someone pick up the handset at a telephone in the
Night Service group; verify that you have good two-way
communication.
At both telephones, hang up.
5.
Repeat steps 2 through 5 for each Night Service Iine/trunk.
6.
7. Test telephones that have been programmed for Night
Service with Outward Restriction.
a. Pick up a handset on a restricted telephone and verify that
outside calls are not allowed.
b. Using the password, make an outside call.
(1) Hang up the handset.
(2) Press the Recall button and dial the password.
Note: On an MLX telephone without a programmed Recall
button, press the Feature button and dial 775 and the
password before picking up the handset.
(3) Pick up the handset and make an outside call.
(4) Verify that you have good two-way communication and
hang up.
8.
At the operator console, press the Night Service button again
and verify that the Night Service LED goes off.
3-130 System Acceptance Test