TRM142 LEDs
Revision as of 08:24, 24 September 2025 by Vainius.l (talk | contribs) (Vainius.l moved page Draft:TRM142 LEDs to TRM142 LEDs without leaving a redirect)
Main Page > TRM Modems > TRM142 > TRM142 Manual > 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, 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. |
Mobile network type LEDs
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). |