Teledesign Systems Inc TS4000D User Manual

+TSC? 

Note: The letter characters must be upper case.

The response string is sent out the serial port and is as follows.

+TSCxx Where: xx = Channel number from 01 to 99

If a frequency channel is selected that has not been programmed with valid
frequencies, the modem will not receive or transmit and the RX and TX LEDs will
alternately flash.

The channel that the TS4000 activates at power up depends on the setting of the
Frequency Channel at Power Up control.