Teltonika RUT142 Industrial RS232 Router
RUT142
The Teltonika RUT142 is an industrial Ethernet router with built-in WiFi and RS232 serial support, designed for installers who need reliable and secure connectivity inside control cabinets, plant rooms and commercial equipment. It combines stable wired networking with WiFi access and serial data handling, making it a strong choice for industrial automation and legacy equipment integration.
Powered by Teltonika’s RutOS, the RUT142 offers a full suite of networking, security and management features including VLANs, Modbus tools, VPN support and RMS remote management. It is ideal for network segmentation, device access, serial-to-IP data transfer and structured local connectivity.
Key Features:
• 2 × 10/100 Mbps Ethernet ports
• RS232 serial port with gateway functions
• WiFi 4 access point, up to 50 clients
• RutOS with Modbus, firewall, VLAN and VPN features
• DIN-rail mounting included
• RMS compatible for remote control and firmware updates
£52.00 Excl VAT
RUT142 Industrial Router with 2 x Ethernet, WiFi4 and RS232
The Teltonika RUT142 is a compact industrial Ethernet router that brings together wired networking, WiFi access and RS232 serial connectivity. It is purpose-built for control panels, automation equipment, industrial retrofits and any scenario where serial devices need to be integrated into modern IP networks. Because it supports both Ethernet and serial interfaces, it is especially useful in legacy-to-IP transition projects.
Industrial Hardware for Demanding Environments
The RUT142 is housed in a durable aluminium enclosure and includes a DIN-rail bracket for quick installation. It accepts 9–30 V DC through a 3-pin terminal connector and consumes less than 2 W, making it suitable for always-on sites and power-restricted cabinets. The router is fanless, silent and rated for –40 to +75 °C operation, ensuring long-term reliability in harsh industrial environments.
Core Features
The device provides the complete RutOS feature set, so it integrates easily into industrial and commercial networks. Key capabilities include:
- Two Fast Ethernet ports for WAN/LAN or flat-network layouts.
- WiFi 4 access point mode supporting up to 50 WiFi clients.
- RS232 serial port with serial-to-IP, Modbus TCP gateway and legacy-device integration.
- Secure VPN options including OpenVPN, IPsec, WireGuard, SSTP, L2TP and more.
- VLAN tagging for creating clean, segmented networks.
- Stateful firewall, NAT options and port-level control.
- Modbus TCP tools and serial gateway functions for automation systems.
- Hotspot functionality for controlled WiFi access.
- Real-time monitoring, traffic graphs and diagnostic tools.
- WAN failover, load balancing and backup through Ethernet or WiFi.
- DNS-over-HTTPS, DDNS support and policy-based routing.
- Compatibility with Teltonika RMS for remote configuration and updates.
- Low power consumption for compact cabinets and edge deployments.
- A passive-cooled enclosure designed for long operational life.
- Flexible networking profiles and quick switching between configurations.
Typical Applications
Because it offers Ethernet, WiFi and RS232, the RUT142 is suited to a wide range of industrial scenarios. Popular deployment areas include:
• Automation systems and PLC networks
• RS232-based industrial equipment
• Building management systems (BMS)
• HVAC monitoring and control
• Serial-to-IP data conversion for legacy assets
• Electrical distribution panels
• Manufacturing and process equipment
• Digital signage and retail kiosk systems
• Environmental and agricultural monitoring
• Warehouse equipment and sensor gateways
• Utilities and smart-city infrastructure
• Traffic and roadside systems using serial equipment
Industries Using the RUT142
• Manufacturing and automation
• Energy and utilities
• Facilities management
• Logistics and warehousing
• Retail and commercial systems
• Local authority infrastructure
• Security, access control and CCTV integrators
• Transport, roadside and industrial signalling
• Smart-metering and environmental monitoring
Remote Management with RMS
The RUT142 works with Teltonika RMS, enabling secure centralised management of configuration, firmware and diagnostics. RMS reduces site visits, supports VPN access, offers remote troubleshooting and keeps devices synchronised across multiple deployments.
RUT142 Specification
| Category | Specification |
|---|---|
| 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, 802.11w PMF |
| SSID/ESSID | SSID stealth mode, MAC-based access control |
| Wi-Fi Users | Up to 50 simultaneous connections |
| Wireless Features | Mesh (802.11s), Fast Roaming (802.11r), Relayd, BSS Transition (802.11v), RRM (802.11k) |
| Wireless MAC Filter | Allowlist and blocklist |
| QR Code Access | Auto-connect via QR code |
| TravelMate | Hotspot landing page forwarding |
| Ethernet – WAN | 1 × 10/100 Mbps WAN, auto MDI/MDIX |
| Ethernet – LAN | 1 × 10/100 Mbps LAN, auto MDI/MDIX |
| Serial Port | RS232 DB9 with serial-over-IP modes and Modbus gateway |
| Routing | Static, Dynamic (BGP, OSPFv2, RIP v1/v2, EIGRP, NHRP), Policy-based routing |
| Network Protocols | TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP(S), SFTP, FTP, SMTP, SSL/TLS, ARP, VRRP, PPP, PPPoE, UPNP, DHCP, SSH, Telnet, SNMP, MQTT, WOL, VXLAN |
| VoIP Passthrough | H.323 and SIP-ALG helpers |
| Connection Monitoring | Ping Reboot, Wget Reboot, Periodic Reboot, LCP and ICMP |
| Firewall | Traffic rules, custom rules, TTL control, DMZ, NAT, NAT-T, NAT64 |
| Port Management | Enable/disable ports, speed control |
| Network Topology | Visual map of connected devices |
| DHCP | Static/dynamic allocation, DHCP relay, static leases |
| QoS / SQM | Traffic prioritisation, WMM, 802.11e |
| DDNS | 77+ providers supported |
| DNS-over-HTTPS | Secure DNS proxy |
| Network Backup | Ethernet or WiFi failover, VRRP |
| Load Balancing | Multi-WAN balancing |
| Hotspot | Captive portal, RADIUS, SMS auth, SSO, quotas, custom themes |
| Traffic Management | Real-time monitoring, charts, history |
| Authentication | PSK, digital certs, X.509, RADIUS, TACACS+, lockouts |
| Attack Prevention | DDoS protection, port-scan protection |
| VLAN | Port and tag-based VLANs |
| Web Filter | Whitelist and blacklist modes |
| OpenVPN | Multiple clients/servers, 27 encryption modes |
| IPsec | IKEv1/v2, XFRM, 14 encryption modes |
| WireGuard / ZeroTier / Tinc | Full support |
| GRE / PPTP / L2TP / SSTP | Client/server modes |
| OPC UA | Client and server |
| Modbus | TCP Client/Server; RS232 gateway |
| MQTT Gateway | Modbus-to-MQTT |
| Data to Server | HTTP(S), MQTT, Azure MQTT, LUA support |
| DNP3 | Station and Outstation (TCP) |
| DLMS/COSEM | Client mode |
| IoT Platforms | Cumulocity, Azure IoT Hub |
| CPU | Mediatek 580 MHz |
| RAM | 128 MB DDR2 |
| Flash | 16 MB NOR |
| Firmware | RutOS, custom firmware options, SDK |
| Power Connector | 3-pin terminal block |
| Input Voltage | 9–30 V DC, reverse polarity and surge protection |
| Passive PoE | Supported via LAN1 (9–30 V) |
| Power Usage | Idle <1 W / Max <2 W |
| Antenna | 1 × RP-SMA WiFi |
| Dimensions | 113.1 × 25 × 68.6 mm |
| Weight | 142.3 g |
| Mounting | Integrated DIN-rail, optional wall surface kits |
| Operating Temp | –40 to +75 °C |
| Humidity | 10–90 percent non-condensing |
| Ingress Rating | IP30 |
| Approvals | CE, UKCA, RCM, FCC, IC, CB, WEEE, RoHS, REACH |
WHAT’S IN THE BOX
• Teltonika RUT142 Router
• 3-pin power connector
• Quick Start Guide (QSG)
• Retail packaging box
Contents may vary depending on order codes.
CLASSIFICATION CODES
HS Code: 851762
HTS Code: 8517.62.00
AVAILABLE VERSIONS
| Order Code | Hardware Version | Interfaces | Package |
|---|---|---|---|
| RUT142000000 | Standard hardware | Ethernet, WiFi, RS232 | Standard package |
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