Analysis From The Data - Oki OKIFAX4550 Maintenance Manual

6.14.2 Analysis from the data

The printed out data permits to analyze G3 facsimile communication protocol signals between
two facsimile machines. Figure 6.5 (2/2) shows the result of an analysis on the printed data
referring to Figure 6.5 (1/2) (Protocol dump data).
41309401TH Rev.4
TX
(Transmitter)
Dialling
(C2) TSI
(C4) NSS
Training
TCF
Training
FAX MSG.
RTC
(FD,F4) PPS•EOP
(DF) DCN
Figure 6.6 Result of Analysis (Example)
RX
(Receiver)
Ringing signal
CED
NSF (04)
CSI (02)
DIS (01)
CFR (21)
MCF (31)
: Preamble
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