Enabling RTS / CTS Flow Control
The flow control of the Microhard Telemetry Radio module is turned off by default, and can be turned on or off by the following methods.
1）Connect a USB cable from the PC USB port to the USB TYPE-C of the module.
2 ) Launch a terminal communications program (e.g. HyperTerminal) and configure for 9600 bps, 8 data bits, No parity, 1 stop bit (8N1), no flow control.
3 ) press and hold the CONFIG button and apply power to the module.
4 ) release the CONFIG button
5 ) On power up the terminal session window should show “NO CARRIER OK” as seen below:
6 ) the P900 is now in command mode, and AT commands can be used to configure or query the settings.
7 ) Type in AT&K3 and press Enter will enable CTS/RTS handshaking.
8 ) Type in AT&W and press Enter to save the configuration to the NVRAM of the module. Then, the configuration will not be lost after the power off.
9 ) Power off and redo step1~5.
10 ) Type in AT&V and press Enter will display the current configuration as seen below: (Handshaking & K3 means CTS and RTS are already enabled.)
11 ) redo step1~5.
12 ) Type in AT&K0 and press Enter will disable CTS/RTS handshaking.
13) Type in AT&W and press Enter to save the configuration to the NVRAM of the module.
14 ) Power off and redo step1~5.
15 ) Type in AT&V and press Enter will display the current configuration as seen below: (Handshaking & K0 means CTS and RTS are disabled.)
Last modified 8mo ago