AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 89

Hardware Components
Model MLX-28D
The MLX-28D telephone provides the following features:
Can be used as a system operator Direct-Line Console (DLC)
28 line buttons
Display (2 lines x 24 characters)
8 display-associated buttons
8 dedicated feature buttons
Accommodates one or two DSSs
This telephone is not wall-mountable.
Figure 2-6. MLX-28D Telephone
Telephones and Consoles 2-15