Chapter 1
1-8
T-1-6
*1 Time from when other facsimile is connected to the line until image transmission begins.
*2 Post-message (between pages): Time from after one document has been sent until transmission of the next
document starts if several pages are transmitted.
*3 Post-message (after last pages): Time from after image transmission is completed until line is switched from
facsimile to telephone.
Modulation
method
G3 image signals
ITU-T V.27ter(4.8k, 2.4k bps)
ITU-T V.29(9.6k, 7.2k bps)
ITU-T V.17(14.4k, 12.0k,
TC9.6k, TC7.2k bps)
ITU-T V.34(33.6k, 31.2k, 28.8k,
26.4k, 24.0k, 21.6k, 19.2k,
16.8k,14.4k, 12.0k, 9.6k, 7.2k,
4.8k, 2.4k bps)
G3 procedure signals
ITU-T V.21(No.2) (300 bps)
ITU-T V.8 300 bps
ITU-T V.34 1200 bps, 600 bps
Minimum transmission time 10 ms(G3), 0ms(ECM)
Transmission output level From -8 to -15 dBm
Receive input level From -3 to -43 dBm
Time required
for
transmission
protocol
Mode
Pre-message*1
protocol
Post-message*2
protocol
(between pages)
Post-message*3
protocol
(after pages)
V.8/V.34 approx.6 sec. approx.1 sec. approx.1 sec.
T.30 approx.12 sec. approx.4 sec. approx.3.5 sec.
Item MP390
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