Ricoh FAX2900L Service Manual page 66

21 May, 1999
Shift-down Request from Sending Terminal
If this machine has received four PPRs for one ECM block, it will request a two-
step shift-down to the receiving terminal in the next control channel.
Shift-up Request from Receiving Terminal
If this machine has sent two consecutive MCFs and detected a good line condition,
it will request a one step up-shift to the sender terminal in the next control channel.
TX
6619NESV
Fax data
6619NESV
Fax data
6619NESV
Fax data
6619NESV
Fax data
6619NESV
Fax data
6KLIWGRZQ
M P h
5;1;NESV
Fax data
TX
5917NESV
Fax data
M C F
5917NESV
Fax data
M C F
5917NESV
Fax data
M P h
M P h
M C F
5;1;NESV
Fax data
2-39
SYSTEM FEATURES
R X
P P R 1
P P R 2
P P R 3
P P R 4
M P h
M C F /
P P R
M C F
H547D563.WMF
RX
1
2
6KLIWXS
H547D564.WMF