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SYSTEM FEATURES
21 May, 1999
2-38
2.3.6 V.8/V.34 PROTOCOL
Please refer to the V.8/V.34 Training Manual for overall information about V.8/V.34
protocol.
This section explains only functions that are specific to this machine.
NOTE:
Data Rate Change Procedure
Shift-down Request from Receiving Terminal
•
N
eor
is the number of frame re-transmissions until the TX terminal sends DCN to
terminate the communication. This number is fixed at “9”, and is not adjustable.
If this machine has sent two PPRs for one ECM block, it will request one step shift-
down to the sender terminal in the next control channel.
F a x d a t a
M C F
P P R
TX
R X
P P R
M C F
6619
NESV
P P S - N U L L
F a x d a t a
6619
NESV
P P S - N U L L
F a x d a t a
6619
NESV
P P S - N U L L
F a x d a t a
6415
NESV
P P S - M P S
M P h
M P h
4
VW
#
EORFN
5
QG
#
EORFN
F a x d a t a
6415
NESV
P P S - E O P
5
QG
#
SDJH
M C F
D C N
6KLIW
0
GRZQ
UHTXHVW
N
eor
9 (default)
8
7
9
9
9
H547D663.WMF