Ricoh SAVIN D0AP Service Manual page 1004

5 Modem rate used for the
next page after receiving a
negative code (RTN or PIN)
0: No change 1: Fallback
6 Not used
7 Select detection of reverse
polarity in ringing
0: Off
1: On
G3 Switch 04 (SP No. 1-105-005)
No Function
0-3 Training error
detection threshold
4-7 Not used
G3 Switch 05 (SP No. 1-105-006)
No Function
0-3 Initial Tx modem rate (kbps)
Bit 3 Bit Bit
2 1
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
1 0 0
1 0 1
1 0 1
1 1 0
1 1 0
SM
This bit is not effective in V.34 communications.
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 the settings
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)
Comments
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.
Do not change the settings.
Comments
These bits set the initial starting modem rate for
Bit 0 kbps transmission.
Use the dedicated transmission parameters if you need
to change this for specific receivers.
1 2.4
If a modem rate 14.4 kbps or slower is selected, V.8
0 4.8
protocol should be disabled manually.
1 7.2
Cross reference
0 9.6
V.8 protocol on/off - G3 switch 03, bit 2
1 12.0
0 14.4
1 16.8
0 19.2
1 21.6
0 24.0
1 26.4
0 28.8
1 31.2
83
Bit Switches – 4
D0C5/D0C6/D0C4/D0AP FAX UNIT