&Gn

V.22bis Guard Tone Control

This command determines which guard tone, if any, to transmit while transmitting in the high band (answer mode). This command is only used in V.22 and V.22bis mode. This option is not used in North America and is for international use only.

 

Command

Effect

 

 

 

 

 

 

 

&G0

 

Guard tone disabled (default).

 

 

 

 

 

 

 

&G1

 

Sets guard tone to 550 Hz.

 

 

 

 

 

 

 

&G2

 

Sets guard tone to 1800 Hz.

 

 

 

 

 

 

Result Codes:

 

 

 

 

 

 

 

 

 

 

OK

n = 0, 1, 2

 

 

 

 

 

 

 

ERROR

Otherwise

 

 

 

 

 

 

&Jn

Auxiliary Relay option

 

 

 

 

 

 

Command

Effect

 

 

 

 

 

 

&J0

 

The auxiliary relay is never closed.

 

 

 

 

 

 

&J1

 

NOT SUPPORTED, responds ERROR.

 

 

 

 

 

 

Result Codes:

 

 

 

 

 

 

 

 

 

 

 

OK

n = 0

 

 

 

 

 

 

 

 

ERROR

Otherwise

 

 

 

 

 

&Kn

Local Flow Control Selection

 

 

 

 

Command

Effect

 

 

 

 

 

&K0

 

Disable flow control.

 

 

 

 

 

&K1

 

Reserved.

 

 

 

 

 

&K2

 

Reserved.

 

 

 

 

 

&K3

 

Enable RTS/CTS flow control (default).

 

 

 

 

 

&K4

 

Enable XON/XOFF flow control.

 

 

 

 

 

 

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Actiontec electronic V.90 ISA user manual Auxiliary Relay option, Local Flow Control Selection