Teltonika RUT142 RS232 Industrial Router

For teams working across industrial networks, the Teltonika RUT142 RS232 Industrial Router offers reliable serial-to-Ethernet connectivity with an aluminium chassis that is impact-resistant and dust-sealed to IP30 standards. It supports RS232 serial communication alongside dual 10/100 Mbps Ethernet ports, ideal for integrating legacy serial devices into modern wired and wireless networks. The device includes Wi-Fi 4 capability for wireless access and runs on RutOS, an OpenWrt-based system tailored for industrial protocols such as Modbus, DLMS, DNP3, and OPC UA, enhancing its deployment flexibility.

Designed to withstand industrial environmental conditions, the RUT142 operates between -40 6C and 75 6C and complies with stringent EMI and surge immunity standards, ensuring continuity despite electrical interference. Its DIN rail mounting and power supply options, including passive PoE and 9-30 VDC input with surge protection, simplify installation and power management. Remote management is facilitated through Teltonika RMS, allowing firmware updates and device monitoring. This combination of sealed durability, protocol support, and remote oversight makes the RUT142 a field-ready solution for bridging serial devices in demanding industrial applications.

RUT142 Features

  • 2 x 10/100 Mbps Ethernet ports, Wi-Fi 4
  • RS232 for serial communication
  • Integrated DIN rail bracket and a 3-pin power connector
  • Remote management, access & VPN services

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Wireless mode

802.11b/g/n (Wi-Fi 4), Access Point (AP), Station (STA)

Wi-Fi security

WPA2-Enterprise - PEAP, WPA2-PSK, WPA-EAP, WPA-PSK, WPA3-SAE, WPA3-EAP, OWE; AES-CCMP, TKIP, Auto-cipher modes, client separation, EAP-TLS with PKCS#12 certificates, disable auto-reconnect

SSID/ESSID

ESSID stealth mode

Wi-Fi users

Up to 50 simultaneous connections

Wireless Connectivity Features

Wireless mesh (802.11s), fast roaming (802.11r), Relayd, BSS transition management (802.11v), radio resource measurement (802.11k)

Wireless MAC filter

Whitelist, blacklist

Wireless QR code generator

Once scanned, a user will automatically enter your network without needing to input login information.

WAN

1 x WAN port 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX crossover

LAN

1 x LAN ports, 10/100 Mbps, compliance with IEEE 802.3, IEEE 802.3u, 802.3az standards, supports auto MDI/MDIX crossover

Routing

Static routing, Dynamic routing (BGP, OSPF v2, RIP v1/v2, EIGRP, NHRP), Policy based routing

Network protocols

TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, FTP, SMTP, SSL v3, TLS, ARP, VRRP, PPP, PPPoE, UPNP, SSH, DHCP, Telnet, SMPP, SNMP, MQTT, Wake On Lan (WOL)

VoIP passthrough support

H.323 and SIP-alg protocol NAT helpers, allowing proper routing of VoIP packets

Connection monitoring

Ping Reboot, Wget Reboot, Periodic Reboot, LCP and ICMP for link inspection

Firewall

Port forward, traffic rules, custom rules

Firewall status page

View all your Firewall statistics, rules, and rule counters

Ports management

View device ports, enable and disable each of them, turn auto-configuration on or off, change their transmission speed, and so on

Network topology

Visual representation of your network, showing which devices are connected to which other devices

DHCP

Static and dynamic IP allocation, DHCP relay, DHCP server configuration, status, static leases: MAC with wildcards

QoS / Smart Queue Management (SQM)

Traffic priority queuing by source/destination, service, protocol or port, WMM, 802.11e

DDNS

Supported >25 service providers, others can be configured manually

DNS over HTTPS

DNS over HTTPS proxy enables secure DNS resolution by routing DNS queries over HTTPS

Network backup

Wi-Fi WAN, VRRP, Wired options, each of which can be used as an automatic Failover

Load balancing

Balance Internet traffic over multiple WAN connections

Hotspot

Captive portal (hotspot), internal/external Radius server, Radius MAC authentication, SMS authorisation, SSO authentication, internal/external landing page, walled garden, user scripts, URL parameters, user groups, individual user or group limitations, user management, 9 default customisable themes and optionality to upload and download customised hotspot themes

SSHFS

Possibility to mount remote file system via SSH protocol

Authentication

Pre-shared key, digital certificates, X.509 certificates, TACACS+, Internal & External RADIUS users authentication, IP & login attempts block, time-based login blocking, built-in random password generator

Firewall

Pre-configured firewall rules can be enabled via WebUI, unlimited firewall configuration via CLI; DMZ; NAT; NAT-T

Attack prevention

DDOS prevention (SYN flood protection, SSH attack prevention, HTTP/HTTPS attack prevention), port scan prevention (SYN-FIN, SYN-RST, X-mas, NULL flags, FIN scan attacks)

VLAN

Port and tag-based VLAN separation

WEB filter

Blacklist for blocking out unwanted websites, Whitelist for specifying allowed sites only

Access control

Flexible access control of SSH, Web interface, CLI and Telnet

SSL certificate generation

Let's encrypt support

OpenVPN

Multiple clients and a server can run simultaneously, 27 encryption methods

OpenVPN Encryption

DES-CBC 64, RC2-CBC 128, DES-EDE-CBC 128, DES-EDE3-CBC 192, DESX-CBC 192, BF-CBC 128, RC2-40-CBC 40, CAST5-CBC 128, RC2-64-CBC 64, AES-128-CBC 128, AES-128-CFB 128, AES-128-CFB1 128, AES-128-CFB8 128, AES-128-OFB 128, AES-128-GCM 128, AES-192-CFB 192, AES-192-CFB1 192, AES-192-CFB8 192, AES-192-OFB 192, AES-192-CBC 192, AES-192-GCM 192, AES-256-GCM 256, AES-256-CFB 256, AES-256-CFB1 256, AES-256-CFB8 256, AES-256-OFB 256, AES-256-CBC 256

IPsec

XFRM, IKEv1, IKEv2, with 14 encryption methods for IPsec (3DES, DES, AES128, AES192, AES256, AES128GCM8, AES192GCM8, AES256GCM8, AES128GCM12, AES192GCM12, AES256GCM12, AES128GCM16, AES192GCM16, AES256GCM16)

GRE

GRE tunnel, GRE tunnel over IPsec support

PPTP, L2TP

Client/Server instances can run simultaneously, L2TPv3, L2TP over IPsec support

Stunnel

Proxy designed to add TLS encryption functionality to existing clients and servers without any changes in the program’s code

DMVPN

Method of building scalable IPsec VPNs

SSTP

SSTP client instance support

ZeroTier

ZeroTier VPN client support

WireGuard

WireGuard VPN client and server support

Tinc

Tinc offers encryption, authentication and compression in it's tunnels. Client and server support.

Supported modes

Client, Server

Supported connection types

TCP

Supported modes

Server, Client

Supported connection types

TCP, RTU(RS232)

Custom registers

MODBUS TCP custom register block requests, which read/write to a file inside the router, and can be used to extend MODBUS TCP Client functionality

Supported data formats

8-bit: INT, UINT; 16-bit: INT, UINT (MSB or LSB first); 32-bit: float, INT, UINT (ABCD (big-endian), DCBA (little-endian), CDAB, BADC), HEX, ASCII

Protocol

HTTP(S), MQTT, Azure MQTT

Data to server

Extract parameters from multiple sources and different protocols, and send them all to a single server; Custom LUA scripting, allowing scripts to utilize the router's Data to server feature

Modbus MQTT Gateway

Allows sending commands and receiving data from MODBUS Server through MQTT broker

Supported modes

Station, Outstation

Supported connection

TCP, RTU(RS232)

DLMS Support

DLMS - standard protocol for utility meter data exchange

Supported modes

Client

Supported connection types

TCP, RTU(RS232)

Teltonika Networks Web API (beta) support

Expand your device's possibilities by using a set of configurable API endpoints to retrieve or change data. For more information, please refer to this documentation: https://developers.teltonika-networks.com

WEB UI

HTTP/HTTPS, status, configuration, FW update, CLI, troubleshoot, multiple event log servers, firmware update availability notifications, event log, system log, kernel log, Internet status

FOTA

Firmware update from server, automatic notification

SSH

SSH (v1, v2)

Email

Receive email message status alerts of various services

TR-069

OpenACS, EasyCwmp, ACSLite, tGem, LibreACS, GenieACS, FreeACS, LibCWMP, Friendly tech, AVSystem

MQTT

MQTT Broker, MQTT publisher

SNMP

SNMP (v1, v2, v3), SNMP Trap, Brute force protection

JSON-RPC

Management API over HTTP/HTTPS

RMS

Teltonika Remote Management System (RMS)

Cumulocity - Cloud of Things

Allows monitoring of: Device Model, Revision and Serial Number, WAN Type and IP. Has reboot and firmware upgrade actions.

Azure IoT Hub

Can be configured with Data to Server to send all the available parameters to the cloud. Has Direct method support which allows to execute RutOS API calls on the IoT Hub. Also has Plug and Play integration with Device Provisioning Service that allows zero-touch device provisioning to IoT Hubs

CPU

Mediatek, 580 MHz, MIPS 24KEc

RAM

128 MB, DDR2

FLASH storage

16 MB serial NOR flash

WEB UI

Update FW from file, check FW on server, configuration profiles, configuration backup

FOTA

Update FW

RMS

Update FW/configuration for multiple devices at once

Keep settings

Update FW without losing current configuration

Factory settings reset

A full factory reset restores all system settings, including the IP address, PIN, and user data to the default manufacturer's configuration

Operating system

RutOS (OpenWrt based Linux OS)

Supported languages

Busybox shell, Lua, C, C++

Development tools

SDK package with build environment provided

GPL customization

You can create your own custom, branded firmware and web page application by changing colours, logos, and other elements in our firmware to fit your or your clients’ needs

Package Manager

The Package Manager is a service used to install additional software on the device

Connector

3-pos plugable terminal block

Input voltage range

9-30 VDC, reverse polarity protection, surge protection >31 VDC 10us max

PoE (passive)

Passive PoE over spare pairs. Possibility to power up through LAN1 port, not compatible with IEEE802.3af, 802.3at and 802.3bt standards, Mode B, 9 - 30 VDC

Power consumption

Idle: < 1 W / Max: < 2 W

Ethernet

2 x RJ45 ports, 10/100 Mbps

Status LEDs

1 x WAN type LED, 1 x LAN type LED, 1 x Power LED

Power

1 x 3-pin power connector

Antennas

1 x RP-SMA for Wi-Fi

RS232

1 x DB9 socket

Reset

Reboot/User default reset/Factory reset button

Other

1 x Grounding screw

Casing material

Aluminium housing

Dimensions (W x H x D)

113.10 x 25 x 68.6 mm

Weight

149.2 g

Mounting options

Integrated DIN rail bracket, wall mount, flat surface (additional kit needed)

Operating temperature

-40 °C to 75 °C

Operating humidity

10% to 90% non-condensing

Ingress Protection Rating

IP30

Regulatory

CE, UKCA, RCM, FCC, IC, CB, WEEE, RoHS, REACH

Standards

EN 55032:2015 + A11:2020 + A1:2020EN 55035:2017 + A11:2020EN 301 489-1 V2.2.3EN 301 489-17 V3.2.4

ESD

EN 61000-4-2:2009

Radiated Immunity

EN IEC 61000-4-3:2020

EFT

EN 61000-4-4:2012

Surge immunity (Ethernet ports)

EN 61000-4-5:2014 +A1:2017

CS

EN 61000-4-6:2014

Standards

EN 300 328 V2.2.2

Standards

CE: EN 62368-1:2014 + A11:2017, EN IEC 62232:2017, EN 50385:2017RCM: AS/NZS 62368.1:2018CB: IEC 62368-1:2018

Standards

CE: EN IEC 62368-1:2020 + A11:2020, EN IEC 62311:2020, EN 50665:2017RCM: AS/NZS 62368.1:2022CB: IEC 62368-1:2018"}]

The Teltonika RUT142 RS232 Industrial Router is designed and engineered for use in demanding environments where reliability, durability are essential. The RUT142 supports a wide range of industries and operational applications.

Common deployment industries include: Construction, Energy and Utilities, Industrial Manufacturing, Marine And Offshore, Natural Resources and Mining, Oil and Gas, Rail And Transport, Security And Surveillance.

Across these sectors, the RUT142 is typically used in applications such as Industrial HMI And Machine Interfacing, Preventive And Corrective Maintenance, Process Control And Shop-Floor Monitoring, SCADA And Control-Room Access, Secure Communications And Command-And-Control, Utilities Inspection And Meter Reading.

These examples demonstrate the versatility of the RUT142 across both industry sectors and real-world operational use cases. Its suitability extends well beyond the scenarios listed above, making it a flexible solution for a broad range of requirements.

For further information, or to assess whether the RUT142 is appropriate for your specific application, please contact us.

The Teltonika RUT142 RS232 Industrial Router comes with a 24 Month Limited Warrany against defects in workmanship and materials, effective from the date of shipment (unless otherwise agreed in writing).

To receive service under this warranty, the eligible product, Teltonika RUT142 RS232 Industrial Router, must be presented to RUGGED in the United Kingdom.

For more information about the Teltonika RUT142 RS232 Industrial Router or to arrange repairs and services not covered by the warranty, please visit the warranty section on our website.

Do you need further details about the Teltonika RUT142 RS232 Industrial Router, or would you like to discuss a customised solution or demonstration?

At RUGGED, we recognise that every project has its own unique demands. If you have any questions about the Teltonika RUT142 or need a custom solution designed specifically for you, our team of technical experts are ready to assist you.

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    At Rugged, our engineering and product specialists can advise on specifications, environmental suitability, mounting requirements, connectivity, and lifecycle planning to ensure the right fit for your deployment.

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    • RUGGED offers free technical support for the lifetime of products you purchase. This includes help with setup, troubleshooting, and integration. Support is available online or directly from the technical team

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    Absolutely, industrial printers are built with durability and performance in mind, making them suitable for continuous operation and serving as a reliable 24/7 industrial printer. Unlike standard printers, they are engineered to withstand challenging conditions such as extreme temperatures, dust, and vibrations, ensuring consistent output without interruption.

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