Lucent Technologies 555-233-115 User Manual

Issue 1

April 2000

Glossary and Abbreviations 

GL-20

 

A system option that duplicates the following: control carrier containing the SPE, EI circuit packs in 
carriers, fiber-optic cabling between port networks, and center-stage switch in a CSS-connected 
system.

DEFINITY Wireless Business System

Direct extension selection

A digital transmission standard that carries traffic at 2.048 Mbps. The E1 facility is divided into 32 
channels (DS0s) of 64 kbps information. Channel 0 is reserved for framing and synchronization 
information. A D-channel occupies channel 16.

Ear and mouth (receive and transmit)

Expansion archangel

Expansion archangel link

Trunk supervisory signaling, used between two communications systems, whereby signaling 
information is transferred through 2-state voltage conditions (on the E and M leads) for analog 
applications and through a single bit for digital applications.

Extended Binary-Coded Decimal Interexchange Code

Error Correct Code

European Computer Manufacturers Association

Electronic power feed

Expansion interface

Electronic Industries Association

A physical interface specified by the EIA. EIA-232 transmits and receives asynchronous data at 
speeds of up to 19.2 kbps over cable distances of up to 50 feet. EIA-232 replaces RS-232 protocol 
in some DEFINITY applications.