Mlx Telephone Tests - Lucent Technologies MERLIN LEGEND Release 6.0 Maintenance And Troubleshooting Manual

MERLIN LEGEND Communications System Release 6.0
Maintenance and Troubleshooting 555-660-140
Telephone Problems

MLX Telephone Tests

On single-line telephones, pick up the handset, dial
hang up.
NOTE:
You can cancel Call Forwarding from the receiving telephone or
from the forwarding telephone, providing that you know the
number.
MLX Telephone Tests
If the LEDs, ringer, buttons, switchhook, or display appear not to be working, try
the steps below.
Pick up the handset.
! 
When you hear dial tone, press
! 
The telephone enters test mode. For some tests, this means the LEDs
turn on; for others, it means the phone starts ringing.
This test connects a test tone to the B-channel and sends a
repeated ring burst to the telephone.
On an MLX telephone with a DSS attached, all LEDs light and the
phone rings throughout the test.
On an MLX display telephone, the display blanks out and is
replaced with a grid of small dots.
Press each line/feature button (two LEDs each).
! 
The red and green LEDs should toggle on and off.
Press each fixed-feature button that has an LED (Feature, HFAI,
! 
Mute, and Speaker).
Each LED should toggle on and off.
NOTE:
Mute and Speaker LEDs may not toggle consistently because they
are managed by the control unit and the telephone.
Æ"#

(the feature access code).
Issue 1
February 1998
Page 3-6
, and then