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G3 FACSIMILE COMMUNICATIONS
There are two types of frames, frames with a frame information field (FIF)
and frames without. Sometimes multiple signals such as NSF, CSI and DIS
are output as a continuous string to the transmission control signals. The
control field (C) is used for identifying the final frame at this time.
5–110
Frame not having information field
Preamble
CFR
F
A
C
FCF
Frame having information field
DIS
Preamble
F
A
C
FCF
Multiple binary signals are connected
NSF
Preamble
F
A
C
FCF
Fig. 5-81 Example of G3 Transmission Control Signal
FCS
F
FIF (facsimile information field)
CSI
DIS
FIF (facsimile information field)
FCS
F
FCS
F
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