US Robotics 56 K SOFTMODEM - COMMAND REFERENCE REV 1 Manuale Utente Scaricare il pdf (Pagina 27)

56K Softmodem

Command Reference

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Table 3-24: &F<value> Commands

&G<guard tone>—V.22 bis Guard Tone Control

Use this command to select which guard tone, if any, the modem will send while

transmitting in the high band (answer mode). This command is only used in V.22

and V.22 bis mode. This option is not used in North America; it is for international

use only.

Result codes:

OK if <guard tone> = 0—2.

ERROR if <guard tone> does not equal 0—2.

Note:* There are several noted exceptions to this command, and caution should be used when determin-

ing the state of the command options once this command has been executed.

Table 3-25:

&G<guard tone> Commands

&J<value>—Auxiliary Relay Option

This command is supported to ensure compatibility with communications software

that issues the J0 command. Result codes:

OK if <value> = 0.

ERROR if <value> does not equal 0.

&J<value> Commands

&K<value>—Local Flow Control Selection

Use this command to set the 56K Softmodem flow control method. Result codes:

OK if <value> = 0, 3, or 4.

Command Function

&F0 Restores factory default configuration.

Command Function

&G0 Disables guard tone (default).

&G1 Selects 550 Hz guard tone.

&G2 Selects 1800 Hz guard tone.

Command Function

&J0 The Auxiliary relay is never closed (default).

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US Robotics 56 K SOFTMODEM - COMMAND REFERENCE REV 1 Manuale Utente Pagina 27