Bit Switches - 4
D418 114 SM
G3 Switch 03 (SP No. 1-105-004)
No Function Comments
received
1: After four PPR signals
received (ITU-T standard)
modem rate after receiving a PPR, if the following
condition is met in communications at 14.4, 12.0,
9.6, and 7.2 kbps.
NTransmit- Number of transmitted frames
NResend- Number of frames to be retransmitted
1: When using ECM, the machine sends a CTC to
drop back the modem rate after receiving four
PPRs.
PPR, CTC: These are ECM protocol signals.
This bit is not effective in V.34 communications.
5
Modem rate used for the next
page after receiving a negative
code (RTN or PIN)
0: No change 1: Fallback
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.
6 Not used Do not change the settings
7
Select detection of reverse
polarity in ringing
0: Off
1: On
This switch is used to prevent reverse polarity in
ringing on the phone line (applied to PSTN-G3
ringing). Do not change this setting
0: No detection (Outside Japan)
1: Detection (Inside Japan only)
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
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