G<Guard Tone>-V.22 Bis Guard Tone Control; J<Value>-Auxiliary Relay Option; K<Value>-Local Flow Control Selection - US Robotics 56 K SOFTMODEM - COMMAND REFERENCE REV 1 Command Reference Manual

Command
&F0
&G<guard tone>—V.22 bis Guard Tone Control
Result codes:
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.
Command
&G0
&G1
&G2
&J<value>—Auxiliary Relay Option
Command
&J0
&K<value>—Local Flow Control Selection
Table 3-24: &F<value> Commands
Restores factory default configuration.
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.
OK if <guard tone> = 0—2.
ERROR if <guard tone> does not equal 0—2.
&G<guard tone> Commands
Table 3-25:
Disables guard tone (default).
Selects 550 Hz guard tone.
Selects 1800 Hz guard tone.
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
The Auxiliary relay is never closed (default).
Use this command to set the 56K Softmodem flow control method. Result codes:
OK if <value> = 0, 3, or 4.
Function
Function
Function
56K Softmodem
Command Reference
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