Removing The User Card Tray And Line Cable - AT&T MERLIN LEGEND Release 3.1 Installation Manual

Installing Multi-Function Modules
Before installing an MFM, disconnect all trunk and/or power cords that
are attached to the MLX telephone. This is to ensure that no hazardous
voltages are present during installation. Ringing voltage from the MFM
attached to the MLX telephone can cause electrical shock if
adjustments are made while the cords are connected.
Deskstand
Telephone
Base
Figure 3–2. Removing the User Card Tray and Line Cable
To install or replace an MFM and change its pin settings, follow these steps.
NOTE:
If you are installing or replacing an MFM in a wall-mounted MLX-10, MLX-10D,
or an MLX-10DP telephone, start at Step 3.
1 Place the telephone face down on a flat surface; remove the user card
tray and line cable from the bottom of the deskstand. See Figure 3–2.
3–4
Installing Telephones and Adjuncts
Card
Tray
Line
Cable