Ricoh M052, Service Manual

Page: 594 / 661

Bit Switches
M381 88 SM
G3 Switch 04 [SP No. 1-105-005]
No FUNCTION COMMENTS
0-3
Training error detection
threshold
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.
4-7 Not used Do not change the settings.
G3 Switch 05 [SP No. 1-105-006]
No FUNCTION COMMENTS
0-3
Initial Tx modem rate
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
Bit 3 Bit 2 Bit 1 Bit 0 bps
0 0 0 1 2.4k
0 0 1 0 4.8k
0 0 1 1 7.2k
0 1 0 0 9.6k
0 1 0 1 12.0k
0 1 1 0 14.4k
0 1 1 1 16.8k
1 0 0 0 19.2k
1 0 0 1 21.6k
1 0 1 0 24.0k
1 0 1 1 26.4k
1 1 0 0 28.8k
1 1 0 1 31.2k