Instruction manual

Glossary
Centrex
Set of system features to which a user can subscribe on
telephone trunks from the local telephone company.
channel
Telecommunications transmission path for voice and/or
data.
channel service
unit
See
CSU .
clock
synchronization
Operation of digital facilities from a common clock.
CMS
(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.
CO
(central office) Location of telephone switching equipment
that provides local telephone service and access to toll
facilities for long-distance calling.
coaxial cable
Cable consisting of one conductor, usually a small copper
tube or wire within and insulated from another conductor
of larger diameter, usually copper tubing or copper braid.
common channel
signaling
See
CCS .
communications
system
Software-controlled processor complex that interprets
dialing pulses, tones, and or keyboard characters and
makes the proper interconnections both inside and
outside. Consists of a computer, software, a storage
device, and carriers with special hardware to perform the
actual connections. Provides voice and/or data
communications services, including access to public and
private networks, for telephones and other equipment.
Also referred to in this guide as “system,” short for
MERLIN LEGEND Communications System.
control unit
Processor module , power supply module , other modules ,
carriers , and housing of the system.
console
Telephone and
adjuncts (if any) at operator or system
programmer extension.
CONVERSANT
Entry-level voice response application that automatically
answers and routes calls and executes telephone
transactions.
Coverage
Set of system features that can determine how extensions’
calls are covered when the person at the extension is busy
or not available.
System Manager's Guide
GL–
5