AT&T MERLIN LEGEND Installation & Maintenance Manual page 58

System Description
user reference card tray with feature and programming codes
and directory lists
optional interns Multi-Function Module (MFM) to connect to
tip/ring (T/R) equipment and alerting devices (described in
Chapter 3)
Note: An MLX-20L telephone used as a QCC cannot have an
MFM in it.
two-position adjustable desk stand
four-pair modular line cord
MLX telephones with display have two additional features:
LCD display
display-associated keys
A list of features specific to each telephone model in the MLX
telephone family follows.
MLX-20L Telephone (see Figure 5)
can be used for system programming and as a DLC or a
QCC operator console
20 line and feature buttons
display (7 lines x 24 characters)
14 display-associated buttons
accommodates one or two Direct Station Selectors (DSSs)
MLX-28D Telephone (see Figure 6)
can be used as a DLC operator console
28 line and feature buttons
display (2 lines x 24 characters)
Telephones and Consoles 1-27