Black Box 3600 MODEM manual Appendix G Abbreviations and Acronyms

Appendix G 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
ADD	Address Field
ADDR	Address
ASCII	American Standard Code
	for Information
	Interchange (7 level)
AT&T	American Telephone and
	Telegraph
B
BER	Bit Error Rate
BERT	Bit-Error-Rate-Test (set)
BIL LB	Bilateral Loopback
Bit	Binary Digit
bps	Bits Per Second
BSC	Binary Synchronous
	Communications
C
C	Celsius
CA	Circuit Assurance
CC	Carrier Control
CCITT	International Consultative
	Committee for Telegraph
	and Telephone
CD	Carrier Detect
CFICB	Call Failure Indication -
	Local 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
CO	Central Office

COS	Call Originate Status
CR	Carriage Return
CRC	Cyclic Redundancy Check
CRQ	Call Request
CTRL	Control Field
CTS, CS	Clear to Send
D
DAA	Data Access Arrangement
	(AT&T)
dB, db	Decibel
dc	Direct Current
DCE	Data Communications
	Equipment (modem)
DCD	Data Carrier Detect
DCPSK	Differentially Coherent
	Phase-Shift Keying
DIC	Disregard Incoming Call
DIS, DS	Disable
DLE	Data Link Escape
DLO	Data Line Occupied
DMS	Digital Multiplexer System
DOS	Disk Operating System
DPR	Digit Present
DSR	Data Set Ready
DTE	Data Terminal Equipment
DTMF	Dual Tone Multi
	Frequency
DTR	Data Terminal Ready

E

EBCDIC Extended Binary Coded

	Decimal Interchange Code
	(8 level)
EIA	Electronic Industries
	Association

EIA-232C,Interface between DTE EIA-232Dand Data Interchange

	Communication
	Equipment employing
	serial binary data
EN	Enabled
ENQ	Enquiry
EOA	End of Address

Modem 3600 G-1