Zhone Technologies IMACS-200 manual Cga, Clue, Cpe, Codec, Crc, CRC-4, CRC-6

CGA

Carrier Group Alarm, a condition that results from a network failure. Forces all voice circuits off-hook or on-hook until the alarm-causing condition is cleared and the CGA ends.

CLUE

Customer-Located Equipment

clear channel

A DS0 channel without formatting restrictions (i.e., uses the full 64 kbps bandwidth for data transmission).

CO

Central Office

channel bank

A device that places multiple voice and/or data channels onto a digital or analog carrier

CL

Connectionless Service

CPE

Customer Premises Equipment

CODEC

COder/DECoder (a device that encodes and decodes signals)

companding

Non-linear reduction of a signal, usually compressing the larger signal values

CRC

Cyclic Redundancy Check

CRC-4

CRC using four check bits

CRC-6

CRC using six check bits

Glossary -5