Canon FAX-L1000 - Manual (Page 226)

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FAX-L1000 Chapter 3: Technical Reference
b-3) Primary channel equalizer training (Phase 3)
Filters, such as equalizers, are trained (adjusted) with the parameters set in phase 2.
• Transmitter
Abbre-
Signal viation Meaning Remarks
S signal S Short training The phase of S
is shifted from
S signal S
the phase of S.
PP signal PP The other modem uses
this signal to train the
equalizer.
TRN signal TRN The receiver uses this
signal to determine the
transmission speed.
b-4) Control channel start-up (Phase 4)
Select the maximum data signalling rate and trellis encoder and set the data signalling rate
that can be supported.
• Transmitter/receiver
Abbre-
Signal viation Meaning Remarks
PPh signal PPh The other modem uses
this signal to train the
equalizer.
ALT signal ALT
———
Modulation MPh Indicate the image
parameter transmission parameters,
such as maximum data
signal speed, control
channel data signal speed,
trellis coding type, pre-
coding type, and baud
rate.
E sequence E
———
20-bit sequence
of binary 1's.