TRM142 LEDs

This page contains information the different types of LEDs and their behaviour on a TRM142 device.

Power LED

The power LED is located on the bottom left corner of the front panel.

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 ON/1800 ms OFF)	Network searching.
Flicker slowly (1800 ms ON/200 ms OFF)	Idle.
Flicker quickly (125 ms ON/125 ms OFF)	Data transfer is ongoing.
Always ON	Voice calling.
Always OFF	Flight mode, no service, shutdown.

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

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

Action	Description
On	When the device is connected to a LTE network.
Off	When connected to other networks (WCDMA, EDGE).