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Issue 1 September 1995 ABB-1
ABB
Abbreviations
A
AC
Alternating Current
ADU
Asynchronous Data Unit
AMI
Alternate Mark Inversion
ANSI
American National Standards Institute (U.S.A.)
AWG
American Wire Gauge
B
BCMS
Basic Call Management System
BRI
Basic Rate Interface
C
CAS
Centralized Attendant Service or Call Accounting Sys-
tem
CBC
Coupled Bonding Conductor
CCITT
Consultative Committee for International Telephone and
Telegraph
CC
Country Code
CEPT1
European Conference of Postal and Telecommunica-
tions Rate 1
CI
Clock Input
cm
Centimeter
CMS
Call Management System
CO
Central Office
CR
Carriage Return
CTS
Clear To Send
D
DC
Direct Current
DCE
Data Communications Equipment
DCS
Distributed Communications System
DDC
Direct Department Calling
DOD
Direct Inward Dialing
DIW
D-inside wire
DS1
Data Services 1
DSR
Data Set Ready
DTE
Data Terminal Equipment
E
EI
Expansion Interface
EIA
Electronics Industry Association
EPN
Expansion Port Network