
COMSPHERE 3800 Series Modems ± Model 3830
Table
(14 of 23)
Model 3830 AT Commands
&Sn DSR Control
Data Set Ready (DSR) is a signal from the modem to the DTE indicating the modem is connected and ready for operation.
&S0 Forced On. Forces DSR output ON constantly. This is usually used for
&S1 Standard
&S2 Wink When Disconnect. DSR is normally forced ON, but is turned Off for 1 to 2 seconds upon a disconnect.
&S3 Follows DTR. When the modem receives DTR from the DTE, it sends DSR to the DTE.
&S4 On Early. DSR is low when the modem is in the idle state. DSR goes high immediately upon a command to enter Data mode. This setting is required for some modem pooling applications.
&S5 Delay to DTE. Operation is similar to the Standard
&S6 Dial Backup Toggle. DSR is turned Off during a dial backup attempt in Leased mode, and on when a dial backup attempt is completed. DSR is also turned Off when a disconnect begins, and ON when the disconnect is complete.
August 1998 |