Ricoh B230 Service Manual page 1034

Bit Switches
G3-2 Switch 06 [SP No. 1-106-007]
No FUNCTION
Initial Rx modem rate
Bit 3 Bit 2 Bit 1 Bit 0
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
1 1
Other settings - Not used
Modem types available for reception
Bit 7 Bit 6 Bit 5 Bit 4
0 0
0 0
0 0
4-7
0 1
0 1
Other settings - Not used
B786
bps
0 1 2.4k
1 0 4.8k
1 1 7.2k
0 0 9.6k
0 1 12.0k
1 0 14.4k
1 1 16.8k
0 0 19.2k
0 1 21.6k
1 0 24.0k
1 1 26.4k
0 0 28.8k
0 1 31.2k
1 0 33.6k
Setting
0 1 V.27ter
1 0 V.27ter,V.29
V.27ter,
1 1
V.29, V.33
V.27ter,
0 0 V.29,
V.17/V.33
V.27ter,
V.29,
0 1
V.17/V33,
V.34
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
The setting of these bits is used to
inform the transmitting terminal of the
available modem type for the machine
in receive mode.
If V.34 is not selected, V.8 protocol must
be disabled manually.
Cross reference:
V.8 protocol on/off - G3 switch 03, bit2
84 SM