AT&T DS1/DMi/ISDN-PRI manual AAR F T C Afrl Aiod ALU ANI ARS Autovon AVD AWG, S BC BCC Bccos bps

ABBREVIATIONS

A

AAR

A/CO

A D F T C

AFRL

AIOD

ALU

ANI

ARS

A/TO

A/TT

AUTOVON AVD AWG

B 8 Z S BC BCC BCCOS bps

CBC

CCITT

CCR

CCSA

CDM

CEM

COR

COS

CRC

CSU

ampere

Automatic Alternate Routing Analog CO trunk analog/digital-facility test circuit alternate facilities restriction level automatic identified outward dialing arithmetic logic unit

automatic number identification Automatic Route Selection analog toll office trunk

analog tie trunk

Automatic Voice Network alternate voice/data American Wire Gauge bipolar with 8-zero substitution bearer capability

bearer capability class

bearer capability class of service bits per second

Call-by-Call

Comitée Consultatif International Telephonique et Telegraphique Customer Controllable Reconfiguration

Common-Control Switching Arrangement channel-division multiplexer channel-expansion multiplexer

class of restriction class of service

cyclic redundancy check channel-service unit (see NCTE)

AB-1