US Robotics Sportster Operating Instructions Manual page 158

56 kbps internal and external modems
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Register Default
S33
0
S34
0
154
T
ECHNICAL
Function
Bit-mapped register setup. To set the register, see the instructions for S13.
Bit
Value
Result
0
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.
Bit-mapped register setup. To set registers, see instructions for S13.
Bit
Value
Result
0
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.
Q
R
UICK
EFERENCE

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