Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 427

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Glossary
CCS
centralized
telephone
programming
central office
Centrex
channel
channel service
unit
checksum
circuit-switched
data call
class of restriction
clock
synchronization
CMS
(common-channel signaling) Signaling in which one
channel of a group of channels carries signaling
information for each of the remaining channels, per-
mitting 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.
Programming of features on individual telephones;
performed at a central location by the system
manager. See also
extension programming.
See CO.
Set of system features to which a user can subscribe
on telephone lines/trunks from the local telephone
company.
Telecommunications transmission path for voice
and/or data.
See CSU.
Sum of ones in a sequence of ones and zeros used
to detect or correct errors in data transmission.
Data call made through an exclusively established
and maintained connection between data stations.
See COR.
Operation of digital facilities from a common clock.
(Call Management System) DOS-based application
that simulates the actions of a system operator by
answering and distributing calls. Also produces
reports for call analysis.
system programming
Issue 1
June 1997
Page GL-9
and