US Robotics 3Com Manual do Utilizador descarregar pdf (Página 80)

TECHNICAL REFERENCE

8-29

S33 0 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.

S34 0 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.

5 32 Disable TX level deviation.

6 64 Disable Pre-emphasis.

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 100 101

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US Robotics 3Com Manual do Utilizador Página 80