Customize UART

Sep 15, 2017 - Author: Sierra Wireless - 6078 Views

The topic describes how to customize a WPx5xx UART port so it can be configured as an application serial port.


The syntax is:



  • a is the service type
  • b is the UART number, either 1 or 2.

Here's a code sample setting 17 for the service type and 1 for the UART number:


Reboot your target after running the command.

Run AT!MAPUART? to check the config settings.

Service Type

The current AT command spec defines the service as:

Service to map to UART: 0: UART disabled 1: AT Command service 2: Diagnostic Message service 3: Reserved 4: NMEA service 5-15: Reserved 16: Linux Console 17: Customer Linux application
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