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56K V.92 Data, Fax, and Voice Chipset

42 Intel Confidential Programmer’s Guide

Bn 1

Select ITU-T or Bell

∗

: This command selects the ITU-T or Bell configuration

for the modem.

n = 0 Selects ITU-T V.22 when the modem is at 1200 bps and ITU-T V.21

when the modem is at 300 bps.

n = 1** Selects Bell 212A when the modem is at 1200 bps and Bell 103J

when the modem is at 300 bps.

n = 2 Selects ITU-T V.23 modulation connections only (that is, the mo-

dem does not connect for any other speed or modulation). The orig-

inating modem transmits at 75 bps (and receives at 1200 bps), and

the answering modem transmits at 1200 bps (and receives at 75

bps).

n = 3 Selects ITU-T V.23 modulation connections only (that is, the mo-

dem does not connect for any other speed or modulation). The orig-

inating modem transmits at 1200 bps (and receives at 75 bps), and

the answering modem transmits at 75 bps (and receives at

1200 bps).

Cn 1

Carrier Control Option: This command is reserved for selecting between

controlled carrier or constant carrier modes. This modem supports only con-

stant carrier mode.

n = 0 Transmit carrier always off (returns an ERROR message)

n = 1** Normal transmit carrier (constant carrier)

Table 3-4. Data Mode Command Descriptions (Continued)

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 129 130

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Intel MD566X Instrukcja Użytkownika Strona 42