3Com U.S. Robotics 56K Voice User Manual page 76

Register Default
S32 2
S33 0
S34 0
70 56K Voice Faxmodem Internal - User's Guide
Technical Reference
Function
Bit-mapped register setup. To set the register,
see the instructions for S13.
Bit Value Result
0 1 V.8 Call Indicate enabled.
1 2 Enables V.8 mode.
2 4 Reserved.
3 8 Disable V.34 modulation.
4 16 Disable V.34+ modulation.
5 32 Disable 56K modulation.
6 64 Disable V.90 modulation.
7 128 Reserved.
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.