TRM500 LEDs

This page contains information the different types of LEDs and their behaviour on a TRM500 device.

Power LED

The power LED is located on the bottom left corner of the front panel, just under the power connector.

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.

The mobile network type LED is located on right side of the back panel:

Indicates that the device has an Internet connection.

Action	Description
Flicker slowly (200 ms High/1800 ms Low)	Network searching.
Flicker slowly (1800 ms High/200 ms Low)	Idle.
Flicker quickly (125 ms High/125 ms Low)	Data transfer is ongoing.
Always ON	Voice calling.
Always OFF	Minimum functionality mode.

The 5G LED is located on right side of the back panel:

Indicates that the device is connected to a 5G network.

Action	Description
On	Device is registered to a network.
Off	Device is not registered to a network.