G3 Switch 04 (Sp No. 1-105-005); G3 Switch 05 (Sp No. 1-105-006) - Ricoh D117 Service Manual

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
4-7 Not used
No Function
Initial Tx modem rate (kbps)
Bit 3 Bit 2
0 0 0 1
0-3 0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
SM
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 (Outside Japan)
1: Detection (Inside Japan 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.
Do not change the settings.

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
2.4
parameters if you need to change this for
specific receivers.
4.8
If a modem rate 14.4 kbps or slower is
selected, V.8 protocol should be disabled
7.2
manually.
9.6
Cross reference
V.8 protocol on/off - G3 switch 03, bit 2
12.0
105
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Bit Switches
D649