5.2.1 Meaning of Protocol Signal Codes
Code
CRP
CED
Called (Station Identification)
CIG
Calling (Subscriber Identification)
CSI
Called asubscriber Identification
DIS
Digital Identification Signal
NSC
Non-Standard Command
NSF
Non-Standard Facilities
NSS
Non-Standard Set-up
TCF
Training Check Frame
TSI
Transmitting Subscriber Identification
DTC
Digital Transmit Command
DCS
Digital Command Signal
CFR
Confirmation To Receive
FTT
CTC
Continue To Correct
EOM
EOP
EOR
End-of-Retransmission
MPS
PPS
5-4
Name
Command Repeat
Failure To Train
End-of-Message
End-of-Procedure
Multipage Signal
Partial Page signal
Type of signal
IDENTIFICATION
COMMANDS
TRANSMISSION
COMMANDS
PRE-MESSAGE
ANSWERS
POST-MESSAGE COMMANDS
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