Testing Mlx Display Telephones; Testing Mlx Telephones With Mfms - 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
To test the red Message light, press a fixed-feature button without

an LED (such as Transfer, Conf, or Drop) or any dialpad button.
The Message light should turn off.
Hang up the handset to leave test mode.


Testing MLX Display Telephones

While the MLX display telephone is in test mode, follow the steps below to test
the display buttons:
Press each fixed display button (Home, Menu, Inspct, and More).

The display should spell out these button labels.
Press the unlabeled display buttons.

The display should indicate
the display button, 1 through 4.

Testing MLX Telephones with MFMs

You should test MLX telephones with MFMs for proper channel operation and
test the MFM circuitry for the TTR, the ring generator, and the Message light.
To test an MLX telephone with an MFM installed and configured as a T/R
adapter, follow the steps below:
Connect a working 2500-type single-line telephone with a Message

light to the MFM adapter (the 2500 telephone also must have a
mechanical ringer).
Pick up the handset and listen for dial tone. Dial

You should hear another dial tone.
Press any button.

This will deactivate the test tone.
n , where n is the number of
Display Button
Issue 1
June 1997
Page 7-5
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