EBD021 LEDs

This page contains information the different types of LEDs and their behaviour on a EBD021 device.

Power LED

The power LED is located on the top of the board.

It indicates whether the device is powered on or not.

State	Description
LED turned on	Device is powered on.
LED turned off	Device is not powered on.

Mobile network type LEDs

The NET STAT LED is located on the top of the board:

Indicates that the device has an Internet connection.

Action	Description
Flash (100ms high/800ms low)	Search network process.
Flash (100ms high/3000ms low)	Register network success.
Flash (100ms high/300ms low)	Data business.
Always OFF	Flight mode, no service, shutdown.

The NET IND LED is located on the top of the board:

Indicates that the device is connected to a 4G network.

Action	Description
On	When the device is connected to a LTE network.