Ricoh LD013, Service Manual

Page: 457 / 513

BIT SWITCHES
B404 5-40 SM
G3 Switch 06
No FUNCTION COMMENTS
0
to
3
Initial Rx modem rate
Bit 3 2 1 0
Setting (bps)
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
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 of 14.4 kbps or slower is selected,
V.8 protocol should be disabled manually.
Cross reference
V.8 protocol on/off - G3 switch 03, bit 2
4
to
7
Modem types available for
reception
Bit 7 6 5 4
Setting
0 0 0 1 V.27ter
0 0 1 0 V.27ter, V.29
0 0 1 1 V.27ter, V.29
V.33
0 1 0 0 V.27ter, V.29,
V.17/V.33
0 1 0 1 V.27ter, V.29,
V.17/V33,
V.34
Other settings - Not used
The setting of these bits is used to inform the
transmitting terminal of the available modem type for
the machine in receive mode.
If V.34 is not selected, V.8 protocol must be
disabled manually.
Cross reference
V.8 protocol on/off - G3 switch 03, bit 2