Ricoh Aficio MP 2550B, Service Manual

Page: 839 / 1153

Bit Switches
SM 105 D361
Fax Op
tion
Ty
pe 3
350
D36
1
G3 Switch 05 (SP No. 1-105-006)
No Function Comments
Initial Tx modem rate (kbps)
Bit 3 Bit 2 Bit 1 Bit 0 kbps
0 0 0 1 2.4
0 0 1 0 4.8
0 0 1 1 7.2
0 1 0 0 9.6
0 1 0 1 12.0
0 1 1 0 14.4
0 1 1 1 16.8
1 0 0 0 19.2
1 0 0 1 21.6
1 0 1 0 24.0
1 0 1 1 26.4
1 1 0 0 28.8
1 1 0 1 31.2
0 0 1 1 33.6
0-3
Other settings - Not used
These bits set the initial starting modem
rate for transmission.
Use the dedicated transmission
parameters if you need to change this for
specific receivers.
If a modem rate 14.4 kbps or slower is
selected, V.8 protocol should be disabled
manually.
Cross reference
V.8 protocol on/off - G3 switch 03, bit 2
Initial modem type for 9.6 k or 7.2 kbps.
Bit 5 Bit 4 Setting
0 0 V.29
4-5
0 1 V.17
These bits set the initial modem type for
9.6 and 7.2 kbps, if the initial modem rate
is set at these speeds.