Instruction manual

Glossary
MLX-10 or
MLX-10D
telephone
MLX-20L
telephone
MLX-28D
telephone
mode codes
modem
modem pool
module
Multi-Function
Module
multiplexing
Music-on-Hold
network
network
interface
off-hook
off-premises
telephone
A 10-button digital telephone offered with (MLX-10D) or
without (MLX-10) a 2-line by 24-character display.
A 20-button digital telephone with a 7-line by 24-character
display.
A 28-button digital telephone with a 2-line by 24-character
display.
Streams of touch-tone codes used by voice messaging
applications to communicate with the communications
system’s control unit.
A device that converts digital data signals to analog signals
for transmission over a telephone line, and analog signals
received on a telephone line to digital signals.
A pair, or group of pairs, of modems and data modules with
interconnected RS-232 interfaces that converts digital
signals to analog, or analog signals to digital, thereby
allowing users with ISDN digital data stations to
communicate with users who have analog data stations.
A circuit pack in the control unit that provides the physical
ports for connection of telephones and/or outside trunks to
the communications system.
See MFM.
The division of a transmission channel into two or more
independent channels, either by splitting the frequency
band into a number of narrower bands or by dividing the
channel into successive time slots.
A customer-provided music source or Magic On Hold
connected to the communications system via a loop-start
jack.
A configuration of communications devices and software
connected for information interchange.
Hardware, software, or both that links two systems in an
interconnected group of systems, for example, between the
local telephone company and a PBX.
A telephone is said to be off-hook when the user has lifted
the handset, pressed the Speaker button to turn on the
speakerphone, or used a headset to connect to the
communications system or the telephone network.
See OPT.
GL-16 Glossary