Ricoh M160 Service Manual page 747

No Function
Modem rate used for the next
page after receiving a negative
5 code (RTN or PIN)
0: No change
1: Fallback
6 Not used
Select detection of reverse
polarity in ringing
7
0: Off
1: On
No Function
Training error detection
0-3
threshold
No Function
Initial Tx modem rate (kbps)
Bit 3 Bit 2
0 0
0-3 0 0
0 0
0 1
0 1
M160/M161 Fax Option
G3 Switch 03 (SP No. 1-105-004)
1: The machine's tx modem rate will fall back
before sending the next page if a negative code
is received. This bit is ignored if ECM is being
used.
Do not change this setting.
This switch is used to prevent reverse polarity
in ringing on the phone line (applied to
PSTN-G3 ringing). Do not change this setting
0: No detection
1: Detection (Japan and Korea only)
G3 Switch 04 (SP No. 1-105-005)
0 - F (Hex); 0 - 15 bits
If the number of error bits in the received TCF
is below this threshold, the machine informs
the sender that training has succeeded.
G3 Switch 05 (SP No. 1-105-006)
These bits set the initial starting modem
rate for transmission.
Bit 1 Bit 0 kbps
Use the dedicated transmission
0 1 2.4
parameters if you need to change this for
specific receivers.
1 0 4.8
If a modem rate 14.4 kbps or slower is
selected, V.8 protocol should be disabled
1 1 7.2
manually.
0 0 9.6
Cross reference
V.8 protocol on/off - G3 switch 03, bit 2
0 1 12.0
91
Bit Switches - 4
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