DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112 Issue 5
May 1998
Glossary and Abbreviations
Page GL-13
cm Centimeter
CMConnection Manager
CMC
Compact Modular Cabinet
CMDR
Centralized Mes sage Detail Rec ording
CMS
Call Management System
COSee central office (CO).
common-control s witching arran gement (CCSA)
A private telecommunications network using dedicated trunks and a shared switching center for
interconnecting company locations.
communications system
The software-controlled processor complex that interprets dialing pulses, tones, and keyboard
characters and makes the proper connec tions both within the system and external to the system.
The communications system itself consists of a digital computer, software, storage device, and
carriers with special hardware to perform the connections. A communications system provides
voice and data communications services, including acc ess to pub lic and private networks, for
telephones and data terminals on a customer’s premises. See also switch.
confirmation ton e
A tone confirming that feature activation, deactivation, or cancellation has been accep ted.
connectivity
The connection of disparate devices within a single system.
console
See attendant console.
contiguous
Adjacent DS0s within one T1 or E1 facility or adjacent TDM or fiber time slots. The first and last
TDM bus, DS0, or fiber time slots are not considered contiguous (no wraparound). For an E1
facility with a D-channel, DS0s 15 and 17 are considered contiguous.
control cabinet
See control carrier.
control carrier
A car r ier in a mul t i-c a rrie r cab ine t that c ont a ins t h e SPE cir c uit p ac ks an d , unl ike a n R5r co ntrol
carrier, port circuit packs. Also called control cabinet in a single-carrier cabinet. See also
switc h-p roc essin g el emen t (SPE).
controlled station
A station that is monitored and controlled via a domain-control association.
COR
See Class of Restriction (COR).
COS
See Class of Service (COS).