Ricoh Aficio MP C3001 Service Manual page 1934

Bit Switches
Other settings - Not used
Modem types available for reception
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, bit 2
Bit 7
4-7
0
0
0
0
0
Other settings - Not used
D545
Bit 6 Bit 5
0 0
0 1
0 1
1 0
1 0
130
Bit 4
1
0
1
0
1
Types
V.27ter
V.27ter
V.27ter
V.27ter
V.27ter
SM