RB900L3 LEDs operation

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Modem has three LEDs that indicate its operation. The description of the LEDs is presented in the table below.

LED Color Description
DATA Blue Software controlled using AT commands:

AT#GPIO=6,1,1 – LED ON, AT#GPIO=6,0,1 – LED OFF

GSM Orange Software controlled using AT#GPIO=8 and AT#SLED:

Blinking every second – modem is not logged on to GSM network
Blinking every 3 seconds – modem is logged on to GSM network

PWR Green Lights when modem is turned on




RB900L3 LEDs.png

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