Lucent Technologies 555-661-140 Testing MLX Display Telephones, Testing MLX Telephones with MFMs

MERLIN LEGEND Communications System Release 6.1	Issue 1
Installation 555-661-140	August 1998
Initializing and Testing the System	Page 7-5
Testing the System

! Press the same line button repeatedly to toggle between the green and red LEDs. For a QCC, the display should show the name of the feature programmed on the button.

! To test a fixed-feature button with one LED, press the button.

The Feature and HFAI LEDs should turn off. The first press of the

Speaker button should turn off the Mute LED. The second press of the

Speaker button should turn off the Speaker LED.

! 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 'LVSOD\￿%XWWRQ n, where n is the number of 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: