Instruction manual

MERLIN LEGEND Communications System Release 5.0
System Planning
555-650-112
Issue 1
June 1997
Glossary
Page GL--3
C
bit (binary digit) One unit of information in binary notation; it
can have one of two values, zero or one.
bit rate Speed at which bits are transmitted, usually expressed in
bps . Also called “data rate.”
BMI (Broadcast Music Incorporated)
board A module, for example, 100D or 408 MLX GS/LS, that
allows you to connect lines/trunks and extensions to the
communications system.
board assignment System Programming and Maintenance (SPM) procedure
for assigning line/trunk and extension modules to slots on
the control unit.
board
renumbering
System programming procedure for renumbering boards
that have already been assigned to specific slots on the
control unit.
BRI (Basic Rate Interface) A standard protocol for accessing
Integrated Service Digital Network (ISDN) services.
button Key on the face of a telephone that is used to access a line,
activate a feature, or enter a code on a communications
system.
byte Sequence of bit s (usually eight) processed together. Also
called “octet.”
Call Accounting
System
See CAS .
Call Accounting
Terminal
See CAT .
Calling group Team of individuals who answer the same types of calls.
Call Management
System
See CMS .
CAS (Call Accounting System) DOS- or UNIX System-based
application that monitors and manages telecommunications
costs.
CAT (Call Accounting Terminal) Standalone unit with a built-in
microprocessor and data buffer that provides simple call
accounting at a low cost.
CCITT (International Telegraph and Telephone Consultative
Committee)
CCS (common-channel signaling) Signaling in which one
channel of a group of channels carries signaling
information for each of the remaining channels, permitting
each of the remaining channels to be used to nearly full
capacity. In the system’s 100D module, channel 24 can be
designated as the signaling channel for channels 1–23.