Ricoh B064 SERIES Service Manual page 1406

BIT SWITCHES
G3-2 Switch 04 [SP No. 1-106-005]
No FUNCTION
Training error detection
0-3
threshold
4-7 Not used
G3-2 Switch 05 [SP No. 1-106-006]
No FUNCTION
Initial Tx modem rate
Bit 3 Bit 2 Bit 1 Bit 0
0 0
0 0
0 0
0 1
0 1
0 1
0-3
0 1
1 0
1 0
1 0
1 0
1 1
1 1
1 1
Other settings - Not used
Initial modem type for 9.6 k or
7.2 kbps.
Bit 5: 0, Bit 4: 0 = V.29
4-5
Bit 5: 0, Bit 4: 1 = V.17
Bit 5: 1, Bit 4: 0 = V.34
Bit 5: 1, Bit 4: 1 = Not used
6-7 Not used
B819/B820
CÓPIA NÃO CONTROLADA
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.
bps
0 1 2.4k
1 0 4.8k
1 1 7.2k
0 0 9.6k
These bits set the initial starting modem rate for
0 1 12.0k
transmission.
1 0 14.4k
Use the dedicated transmission parameters if
you need to change this for specific receivers.
1 1 16.8k
If a modem rate 14.4 kbps or slower is selected,
V.8 protocol should be disabled manually.
0 0 19.2k
Cross reference
V.8 protocol on/off - G3 switch 03, bit2
0 1 21.6k
1 0 24.0k
1 1 26.4k
0 0 28.8k
0 1 31.2k
1 0 33.6k
These bits set the initial modem type for 9.6 and
7.2 kbps, if the initial modem rate is set at these
speeds.
Do not change the settings.
CÓPIA NÃO CONTROLADA
COMMENTS
COMMENTS
96 SM