US Robotics 005689-03 Manual page 55

Register Default
S33 0
S34 0
56
Function
V.34 and v.34+ connection setup bit-mapped control flags (default=0). To set registers, 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
V.34 and V.34+ connection setup bit-mapped control flags (default=0). 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
5 32 Disable TX level deviation
6 64 Disable Pre-emphasis
7 128 Disable Pre-coding