Ricoh M160 Service Manual page 760

Bit Switches - 6
No Function
Modem bit rate setting for reception
0-3
Sets the modem bit rate for reception. The default is "0110" (14.4K bps).
Modem setting for reception
Sets the modem type for reception. The default is "0100" (V27ter, V29, V17).
Bit 7
0
4-7
0
0
0
SM
IP Fax Switch 06 (SP No. 1-111-007)
Bit 6 Bit 5
0 0
0 1
0 1
1 0
Comments
Bit 4
1 V.27ter
0 V.27ter, V.29
1 V.27ter, V.29, V.33
0 V.27ter, V.29, V.17
104
Types
M160/M161 Fax Option