Specifications

V.3229 / V.3229L <C#>-A
<Re
f
erence>
Abbreviations and Acronyms
A
ABT
Abort Timer OR Answer
Back Tone
ac
Alternating Current
ACK
Acknowledgment, positive
ACR
Abort Call, Retry
ACU
Automatic Call Unit
A/D
Analog-to-Digital
ADD
Address Field
ADDR
Address
AGC
Automatic Gain Control
ASCII
American Standard Code for
Information Interchange (7
level)
AT&T
American Telephone and
Telegraph
B
BC
Bearer Capability
BCD
Binary Coded Decimal
BER
Bit Error Rate
BERT
Bit-Error-Rate-Test (set)
BIL LB
Bilateral Loopback
Bit
Binary Digit
bps
Bits Per Second
BSC
Binary Synchronous Com-
munications
BUFF
Elastic Buffer
C
C
Celsius
CA
Circuit Assurance
CBX
Computerized Private
Branch Exchange
CC
Carrier Control
CCITT
International Consultative
Committee for Telegraph
and Telephone
CCU
Communications Control
Unit
CD
Carrier Detect
CFICB
Call Failure Indication - Lo-
cal DCE Busy
CFIDT
Call Failure Indication - No
Dial Tone
CFINT
Call Failure Indication - No
Answer Back Tone
CFIRT
Call Failure Indication -
Ringback Detected
Ch Gnd
Chassis Ground
CIC
Connect Incoming Call
CMOS
Complementary Metal Ox-
ide Semiconductor
CNX
Connect Complete
COM
Computer Output Microfilm
CO
Central Office
COS
Call Originate Status
CPE
Customer Premise Equip-
ment
CPH
Characters Per Hour
CPU
Central Processing Unit