HiRO H50158 V92 56K User Manual

Page 15

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15

B<value>—Communication Standard Setting

Use this command to select the communication standard used by the soft modem.

Result codes:

_

OK if <value> = 0—3, 15, 16.

_

ERROR if <value>

≠0—3, 15, 16.

Command

Function

B0

Selects CCITT V.22 mode when the modem is

at 1200 bits/s.

B1

Selects Bell 212A when the modem is at 1200

bits/s (default).

B2

Deselects V.23 reverse channel (same as B3).

B3

Deselects V.23 reverse channel (same as B2).

B15

Selects V.21 when the modem is at 300 bits/s.

B16

Selects Bell 103J when the modem is at 300

bits/s (default).

C<value>—Carrier Control

This command is supported to ensure compatibility with communications software that issues the C1 command.

However, this modem does not support the C0 command. The C0 command instructs some modems not to send

carrier (i.e., it puts them in receive-only mode).

Result codes:

_

OK if <value> = 1.

_

ERROR if <value>

≠1.

Command

Function

C1

Normal transmit carrier switching (default).

D<dial string>—Dial

This command instructs the soft modem to go off-hook and begin the dialing sequence. The dial string (<dial

string>, including modifiers and the telephone number) is entered after the D command.

A dial string can be up to sixty characters long. Any digit or symbol may be dialed as touchtone digits. Characters

such as spaces, hyphens, and parentheses are ignored by the modem and may be included in the dial string to

enhance readability.

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