Ricoh D131 Service Manual page 1030

JBIG compression method: Reception
5 0: Only basic supported
1: Basic and optional both supported
JBIG compression method: Transmission
6 0: Basic mode priority
1: Optional mode priority
Closed network (reception)
7 0: Disabled
1: Enabled
No Function
ECM
0
0: Off 1: On
1 Not used
Wrong connection prevention
method
Bit 3 Bit 2
0 0
0 1
2-3
1 0
1 1
D619
Communication Switch 01 (SP No. 1-104-002)
Setting
None
8 digit CSI
4 digit CSI
CSI/RTI
Change the setting when
communication problems occur
using JBIG compression.
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
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.
Do not change the setting.
(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
8 digits of the dialed telephone number. This
does not work when manually dialed.
(1,0): The same as above, except that only the
last 4 digits are compared.
(1,1): The machine will disconnect the line
without sending a fax message, if the other end
does not identify itself with an RTI or CSI.
(0,0): Nothing is checked; transmission will
always go ahead.
Note: This function does not work when dialing
is done from the external telephone.
138 SM