3Com PC Card manual Analog Modem Registers, S52

46CHAPTER 5: USING THE MODEM

Analog Modem

Registers

S52

Bit-mapped. Storable.

Bit 7-6. V.34 Rate Selection

■0 = Low (conservative)

■2 = Aggressive

■1 = Medium

Bit 5. V.34 precoding

■0 = Disable

■1 = Enable

Bit 4. V.34 shaping

■0 = Disable

■1 = Enable

Bit 3. V.34 pre-emphasis filter

■0 = Disable

■1 = Enable

Bit 2. V.34 non-linear encoding (warping)

■0 = Disable

■1 = Enable

Bit 1. V.34 transmit power control

■0 = Disable

■1 = Enable

Bit 0. V.34 asymmetric bit rates

■0 = Disable

■1 = Enable