TRB142 First Start

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This Wiki page contains the online version of the Quick Start Guide (QSG) for the TRB142 LTE RS232 Gateway. Here you will find an overview of the various components found on the front and back sides of a TRB142 device, basic hardware installation, first login information, device specifications and general safety information. It is highly recommended that you acquaint yourself with with the Quick Start Guide before using the device. If you own a TRB142 device, you can also find a printed version of the Quick Start Guide in the device's package.

Trb142 hd 8 demo.jpg

Front view

No. Description
Trb142 front view v2.png
1 Power LED
2 Power socket
3 RS232 connector

Back view

No. Description
Trb142 back view v2.png
1 SIM card slot
2 Mobile antenna connector
3 Mobile connection type LEDs
4 Mobile signal strength indication LEDs
5 USB connector
6 Reset button


Networking rut3 manual power socket pinout v1.png

RS232 connector pinout
Trb142 rs232 pinout v3.png
Pin Name Description
2 RXD Output
3 TXD Input
5 GND -
7 RTS Input
8 CTS Output

Device configuration

1. Power on the device and connect the USB cable to your computer.
2. Allow the gateway to boot up. This might take up to 30 s.
3. Your computer's OS should detect the USB device and install the drivers for the virtual NDIS network adapter. IP address is set automatically via DHCP.
4. Use a Web browser to go to gateway's default address:
5. Use the following credentials to login:
Tr142 qsg device configuration 1 v2.png
6. Go to the WebUI's Status → Overview page to check the signal strength:
Tr142 qsg device configuration 2 v2.png

Safety information

TRB142 gateway must be used in compliance with any and all applicable national and international laws and with any special restrictions regulating the utilization of the communication module in prescribed applications and environments.

Radio specifications
Max. RF power 32 dBm@GSM, 24 dBm@WCDMA, 23 dBm@LTE
Bundled accessories specifications*
Power AC/DC power adapter 9 V, 1 A, 4 pin plug
GSM/WCDMA/LTE antenna 698~868/1850~2690 MHz, 50 Ω, VSWR ≤ 2, gain** 2 dBi, omnidirectional, SMA male connector

* Order code dependent.

** Higher gain antenna can be connected to compensate for cable attenuation when a cable is used. The user is responsible for the compliance with the legal regulations.

Qsg rut950 manual.PNG This sign on the package means that is necessary to read the User's Manual before you start using the device

Qsg rut950 recycle.PNG This sign on the package means that all used electronic and electric equipment should not be mixed with general household waste