Ricoh A250 Service Manual page 509

G3 Switch 05
No FUNCTION
0 Initial Tx modem rate
to Bit 3 2 1 0 Setting (bps)
3 0 0 0 1 2.4 k
0 0 1 0 4.8 k
0 0 1 1 7.2 k
0 1 0 0 9.6 k
0 1 0 1 12.0 k
0 1 1 0 14.4 k
0 1 1 1 16.8 k
1 0 0 0 19.2 k
1 0 0 1 21.6 k
1 0 1 0 24.0 k
1 0 1 1 26.4 k
1 1 0 0 28.8 k
1 1 0 1 31.2 k
1 1 1 0 33.6 k
Other settings - Not used
4 Initial modem type for 9.6 k or
to 7.2 kbps.
5 Bit 5 Bit 4
0 0
0 1
1 0
1 1
6-7 Not used
G3 Switch 06
No FUNCTION
0 Initial Rx modem rate
to Bit 3 2 1 0 Setting (bps)
3 0 0 0 1 2.4 k
0 0 1 0 4.8 k
0 0 1 1 7.2 k
0 1 0 0 9.6 k
0 1 0 1 12.0 k
0 1 1 0 14.4 k
0 1 1 1 16.8 k
1 0 0 0 19.2 k
1 0 0 1 21.6 k
1 0 1 0 24.0 k
1 0 1 1 26.4 k
1 1 0 0 28.8 k
1 1 0 1 31.2 k
1 1 1 0 33.6 k
Other settings - Not used
SM
These bits set the initial starting modem rate for
transmission.
Use the dedicated transmission parameters if you
need to change this for specific receivers.
If a modem rate 14.4 kbps or slower is selected,
V.8 protocol should be disabled manually.
Cross reference
V.8 protocol on/off - G3 switch 03, bit2
These bits set the initial modem type for 9.6 and
7.2 kbps, if the initial modem rate is set at these
Setting speeds.
V.29
V.17
Not used
Not used
Do not change the settings.
These bits set the initial starting modem rate for
reception.
Use a lower setting if high speeds pose problems
during reception.
If a modem rate 14.4 kbps or slower is selected,
V.8 protocol should be disabled manually.
Cross reference
V.8 protocol on/off - G3 switch 03, bit2
4-47
BIT SWITCHES
COMMENTS
COMMENTS
A250