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# Problem sending AT commands to ASCO port - pls62t-w | Thales IoT Developer Community

January 9, 2020 - 1:49pm, 1042 views

Hi,

I have the ASCO RS232 pins wired to my microcontrollers' UART pins.  Problem is that there is no response from the Pls62 terminal even though AT commands are being forwarded to it. I'm sending  the commands using a terminal software and I have setup the micrcontroller so that it can relay data sent to its com port to the terminal.

To configure the ASCO so that it can be used for AT commands , I have used the following commands:

AT^SCFG="GPIO/****/DCD0","std"^SCFG: "Gpio/****/DCD0","std"

OK

AT^SCFG="GPIO/****/DTR0","std"^SCFG: "Gpio/****/DTR0","std"

OK

AT^SCFG="GPIO/****/DSR0","std"^SCFG: "Gpio/****/DSR0","std"

OK

Many thanks