Channel B Control Procedure - Canon G3 Error Code List

4.2 Channel B Control Procedure

A channel B procedure is executed while directly synchronizing the terminal of the machine and
the terminal of the other party. Study the following for a channel B control procedure in circuit
switching mode:
Transmitter
Layer 6 Layer 5 Layer 4 Layer 3
Layer 2
connection
procedure
Layer 3
connection
procedure
Layer 4
connection
procedure
Layer 5
procedure
Layer 6
procedure
Layer 5
procedure
Layer 6
procedure
Layer 5
procedure
Layer 3
disconnection
procedure
Layer 2
disconnection
procedure
Figure 7 Channel B Control Procedure
Layer 2 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6
SABM
UA
SQ(SI)
SF(SF)
CR(CN)
CC(CA)
TCR
TCA
CSS
RSSP
CDCL
RDCLP
CDS
P-START
PIX
P-END
CDPB
RDPBP
P-START
PIX
P-END
RDEP
CSE
RSEP
CQ(CI)
CF(CF)
DISC
UA
A-27
Receiver
The signal within parentheses is
when viewed from the receiver.
Connection
procedure
Negotiation
Document start
Image data
(1st page)
Between-pages
procedure
Image data
(2nd page)
Document end
procedure
Disconnection
procedure
The signal within parentheses is
when viewed from the receiver.
Appendix