AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 88

Hardware Components
MLX Telephones
The following are the four telephones in the MLX telephone line, all of which
support the PRI services that can be used with the system:
MLX-20L telephone
MLX-28D telephone
MLX-10D telephone
MLX-10 telephone
Each of these telephones is available with factory-imprinted buttons in English,
French, or Spanish, and in black or white.
The following features are common to all MLX telephones:
Programmable line and feature buttons with two associated lights (red
and green)
NOTE:
An MLX-20L telephone used as a Queued Call Console (QCC) has
no programmable buttons.
Fixed-feature buttons (four of them have a red or a green LED: Feature,
HFAI, Mute, and Speaker)
Red message-waiting LED
Built-in speakerphone
Separate volume controls for speakerphone, handset, and ringer
A card tray under the telephone with frequently used features
Optional internal MFM to connect to T/R equipment and alerting devices
NOTE:
An MLX-20L telephone used as a QCC cannot have an MFM.
Two-position adjustable desk stand
Four-pair modular line cord
MLX telephones with display have the following two additional features:
LCD display
Display-associated buttons
A list of features specific to each telephone model in the MLX family follows.
2-14 Telephones and Consoles