AT Commands Reference
Rev. 7 August 2021 75 41110485
Enable / Disable UART
AT!MAPUART
Configure UART 1 & 2
Note: UART 1 & 2 are disabled by
default. A reboot is required for the
changes to take effect.
To set:
AT!MAPUART=<service>[,<UART number>]
where:
• <service> can be:
0—UART disabled
1—AT Command service (Note: Not available for UART 2)
2—Diagnostic Message service
3—Reserved
4—NMEA service
5–13—Reserved
14—RS-485 Linux application (Note: Not available for UART 2)
Note: Option 14 is only available in release FX30S 3G R14.0.2.001 or
later. Option 14 uses /dev/ttyHSL0 driver. As well, RS-485 will be enabled
automatically upon startup.
15—RS232 with Hardware Flow control:
• Linux application (UART 1)
Note: Option 15 is only available in release FX30S 3G R14.0.2.001 or
later. Option 15 uses /dev/ttyHS0 driver. However, option 17 uses /dev/
ttyHSLx driver, where x is the UART number. As well, RS232 with flow
control will be enabled automatically upon startup.
16—Linux console
17—Customer Linux application
• <UART number> can be:
1—UART 1 (Default if UART number is not specified)
2—UART 2
Value returned: OK
Example:
AT!MAPUART=17,1
OK
Table C-2: FX30S AT Commands
Command Description
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