Ricoh D649 Field Service Manual page 105

No
Initial Rx modem rate(kbps)
Bit 3 Bit 2
0 0
0 0
0 0
0 1
0 1
0 1
0-3
0 1
1 0
1 0
1 0
1 0
1 1
1 1
Other settings - Not used
Function
Bit 1 Bit 0 kbps
0 1 2.4
1 0 4.8
1 1 7.2
0 0 9.6
0 1 12.0
1 0 14.4
1 1 16.8
0 0 19.2
0 1 21.6
1 0 24.0
1 1 26.4
0 0 28.8
0 1 31.2
Comments
These bits set the initial starting modem rate
for reception.
Use a lower setting if high speeds pose
problems during reception.
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, bit2
Bit Switches
103