I/O Management; Control Gpio (Leds) - Asus AAEON SRG-ACAN User Manual

3.7

I/O Management

This section details how to operate the programable I/O functions; GPIO and RS-485
2-wire connectors.
3.7.1

Control GPIO (LEDs)

To control the GPIO manually, issue the following commands, this example uses led1:
GPIO On:
$ echo 1 > /sys/class/leds/srt3352:led1/brightness
GPIO Off:
$ echo 0 > /sys/class/leds/srt3352:led1/brightness
Use the following table to reference each LED label for the command:
Number Label
1 Red led1
2 Green Led2
Chapter 3 – Gateway Setup and Configuration
Picture Number
3 Yellow
4 Orange
Label Picture
led3
led4
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