Ricoh M160 Service Manual page 736

Bit Switches - 3
Communication Switch 00 (SP No. 1-104-001)
No
JBIG compression method: Transmission
6 0: Basic mode priority
1: Optional mode priority
Closed network (reception)
7 0: Disabled
1: Enabled
Communication Switch 01 (SP No. 1-104-002)
No Function
ECM
0
0: Off 1: On
Wrong connection prevention
method
Bit 3 Bit 2
0 0
0 1
1 0
2-3
1 1
SM
Function
If this bit is set to 0, ECM is switched off for all
communications.
In addition, V.8 protocol and JBIG compression
are switched off automatically.
(0,1): The machine will disconnect the line
without sending a fax message, if the last 8
digits of the received CSI do not match the last
Setting
8 digits of the dialed telephone number. This
does not work when manually dialed.
None
(1,0): The same as above, except that only the
8 digit CSI
last 4 digits are compared.
(1,1): The machine will disconnect the line
4 digit CSI
without sending a fax message, if the other end
CSI/RTI
does not identify itself with an RTI or CSI.
(0,0): Nothing is checked; transmission will
always go ahead.
Comments
Change the setting when
communication problems occur
using JBIG compression.
1: Reception will not go ahead if the
polling ID code of the remote
terminal does not match the polling
ID code of the local terminal. This
function is only available in
NSF/NSS mode.
Comments

This function does not work when
dialing is done from the external
telephone.
80 M160/M161 Fax Option