Ricoh FAX2000L - V.8;V.34 Protocol

SYSTEM FEATURES 30 November, 1999
2-36
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.
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.
Fax data
MCF
PPR
TX RX
PPR
MCF
6619NESV
PPS-NULL
Fax data
6619NESV
PPS-NULL
Fax data
6619NESV
PPS-NULL
Fax data
6415NESV
PPS-MPS
MPh
MPh
4VW#EORFN
5QG#EORFN
Fax data
6415NESV
PPS-EOP
5QG#SDJH
MCF
DCN
6KLIW0GRZQ
UHTXHVW
N
eor
9
(default)
8
7
9
9
9
H551D505.WMF