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FAX-L1000 Chapter 5: Appendix
f) B-Channel Standard Protocol (G3)
Figure 5-78 B-Channel Protocol Flow (G3)
Transmitter
Receiver
CNG
CED
DIS
DCS
TFC
CFR
Messege
MPS
MCF
Messege
EOP
Layer 6
Layer 4
Layer 2
Layer 5
Layer 3
Layer 6
Layer 4
Layer 2
Layer 5
Layer 3
MCF
DCN