List Of Abbreviations - IBM 3745 Series Service Functions

List of Abbreviations
abend abnormal end of task CAL channel adapter logic card
AC address compare CADR channel adapter driver receiver card
ACB adapter control block CADRUK channel adapter driver receiver type
ACF Advanced Communications Function
UK card
ACK affirmative acknowledgment (BSC)
CADS channel adapter with data streaming
ACR abandon call request
CATPS channel adapter with two-processor
switch
ACU automatic calling unit
CB circuit breaker
AE address exception
CCITI Comite Consultatif International
AEK address exception key Telegraphique et Telephonique
AFD airflow detector CCMD current command (storage)
AGC automatic gain control (signal) CCN
communications controller node
AIO adapter-initiated operation CCU central control unit
ALU arithmetic and logic unit CCW channel command word
AMD air moving device CD carrier detector (signal)
AS autoselection chain CDF
configuration data file
ASCII American National Standard Code for COG concurrent diagnostic
Information Interchange
CDS
configuration data set (NCP/EP)
AXB adapter expansion block
CE customer engineer
BCC block check character (BSC)
CEPT
Comite Europeen des Postes et Tele-
BCCA buffer chaining channel adapter communications
BCCW bit clock control word CHCW channel control word
BCD binary-coded decimal notation CHPID channel path identification
BER box event record CI
calling indicator (signal)
B/M bill of material CLOP controller load/dump program
BPC1 bus propagation card to replace the CNM
communication network management
CAL card
CNMI communication network management
BPC2 bus propagation card to replace the interface
TRM card
CNSL console
bps bits per second
CONFSW configuration switch
BR
bus request
CP
1) communication processor, control
BSC binary synchronous communication program
BT branch trace
2) circuit protector
BTAM Basic Telecommunications Access
CPIT
control program information table
Method CPM connection point manager
BTAM-ES
BTAM extended support
CPT checkpoint trace
C control (X.21 signal) CR 1) compare register (instruction)
CA channel adapter
2) call request (signal)
CAB channel adapter board
CRC cyclic redundancy check character
CAC common adapter code
CRP check record pool
CACM channel adapter concurrent mainte-
nance
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Copynght IBM Corp. 1988, 1991
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