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54 Sportster Winmodem 33600 & x2/56K - User's manual
7 128 Reserved
Reg Default Function
S33 0 Bit mapped register setup for the 28.8 speed
modems only. To set the register, see the
instructions for S13.
Bit Value Result
0 (zero)1 Disable 2400 symbol rate.
1 2 Disable 2743 symbol rate.
2 4 Disable 2800 symbol rate.
3 8 Disable 3000 symbol rate.
4 16 Disable 3200 symbol rate.
5 32 Disable 3429 symbol rate.
6 64 Reserved.
7 128 Disable shaping.
S34 0 (zero) Bit mapped register setup. To set registers,
see instructions for S13.
Bit Value Result
0 (zero)1 Disable 8S-2D trellis encoding
1 2 Disable 16S-4D trellis encoding
2 4 Disable 32S-2D trellis encoding.
3 8 Disable 64S-4D trellis encoding.
4 16 Disable non-linear coding.
5 32 Disable TX level deviation.
6 64 Disable Pre-emphasis.
7 128 Disable Pre-coding.
S35-
S37 Reserved.
S38 0 Sets an optional delay, in seconds, before a
forced hang-up and clearing of the Transmit
buffer when DTR drops during an ARQ call.
This allows time for a remote modem to
acknowledge receipt of all transmitted data
before it is disconnected.
Default 0: the modem immediately hangs up
when DTR drops.