Nortel Networks ROADSTER 56K Manual do Utilizador descarregar pdf (Página 10)

NetComm Roadster Series 56K USB Modem YML5067YML50675067

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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 modiers

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.

I<value>—Request ID Information

Use this command to display product information about the modem. In each case the information is transmitted to the host system

followed by a nal result code.

Result codes:

_ As described in Table 8 if <value> = 0—9, 11.

_ ERROR if <value> 0—9, 11.

I<value>—Request ID Information

Use this command to display product information about the modem. In each case the information is transmitted to the host system

followed by a nal result code.

Result codes:

_ As described in Table 8 if <value> = 0—9, 11.

_ ERROR if <value> 0—9, 11.

Command Function

L0 Low volume.

L1 Low volume.

L2 Medium volume (default).

L3 High volume.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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