Specifications

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©
1999 CANON INC. CANON SUPER G3 FAX BOARD-F1 REV.0 MAY 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
2-61
CHAPTER 2 OPERATION AND TIMING
c. Equalizer and Echo Canceler Training (phase 3)
Training (adjustment) is executed to optimize the functions of filters (e.g., equalizer) using the
parameters set in phase 2.
Transmitting device
Signal
S signal
S signal
PP signal
TRN signal
Notation
S
S
PP
TRN
Description
Executes short training.
Used for training of an equalizer
by the receiving modem.
Used to determine the
transmission speed by the
receiving device.
Remarks
S is the result of
rotating the phase of S
by 180°.
d. Last Training (phase 4)
The maximum data transmission speed is selected, a trellis coder is selected, and possible data
speeds are selected.
Transmitting/Receiving Devices
Signal
PPh signal
ALT signal
Modulation
parameter
E sequence
Notation
PPh
ALT
MPh
E
Description
Used for training of an equalizer
by the receiving modem.
Communicates the maximum data
transmission speed, type of trellis
coding, type of pre-coding, and
other parameters used for data
transmission.
Remarks
20-bit sequence