Zhone IMA CS-200 System Spezifikationen Seite 217

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Glossary -5
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
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