Ricoh Aficio MP C3001 Service Manual page 1935

No Function
PSTN cable equalizer
(tx mode: Internal)
Bit 1
0
0
0-1
1
1
PSTN cable equalizer
(rx mode: Internal)
Bit 3
0
0
2-3
1
1
SM
G3-2 Switch 07 (SP No. 1-106-008)
Use a higher setting if there is signal loss
at higher frequencies because of the
length of wire between the modem and
Bit 0 Setting
the telephone exchange.
Use the dedicated transmission
0 None
parameters for specific receivers.
1 Low
Also, try using the cable equalizer if one
0 Medium
or more of the following symptoms
1 High
occurs.
Communication error
Modem rate fallback occurs frequently.
Use a higher setting if there is signal loss
at higher frequencies because of the
length of wire between the modem and
Bit 2 Setting
the telephone exchange.
Also, try using the cable equalizer if one
0 None
or more of the following symptoms
1 Low
occurs.
Communication error with error codes
0 Medium
such as 0-20, 0-23, etc.
1 High
Modem rate fallback occurs frequently.
131
Comments
This setting is not effective in
V.34 communications.
This setting is not effective in
V.34 communications.
Bit Switches
D545