Ricoh D009 Service Manual page 949

Modem rate used for the next
page after receiving a negative
5
code (RTN or PIN)
0: No change, 1: Fallback
6
Not used
7
Not used
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
0-3 Initial Tx modem rate
Bit 3 Bit 2 Bit 1 Bit 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
SM
PPR, CTC: These are ECM protocol signals.
This bit is not effective in V.34 communications.
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.
Do not change the settings.
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.
These bits set the initial starting modem rate for
transmission.
bps
Use the dedicated transmission parameters if
you need to change this for specific receivers.
1 2.4k
If a modem rate 14.4 kbps or slower is selected,
0 4.8k
V.8 protocol should be disabled manually.
Cross reference
1 7.2k
V.8 protocol on/off - G3 switch 03, bit2
0 9.6k
1 12.0k
103
Bit Switches
COMMENTS
COMMENTS
D346