INDUSTRIAL ROUTE
IR224
4G IoT Router, 2 x GE ports, RS232 and dual RS485 serial interfaces
full industrial protection design, DIN rail mounting structure
fat/fit dual operation modes, multi-level data encryption, remote device management
OVERVIEW
TR224 is an industrial-grade cellular IoT router developed by Tespro Electronics, specially designed for data communication between legacy serial field devices and cloud platforms in smart infrastructure scenarios.
Equipped with dual gigabit Ethernet ports, RS232 and dual RS485 serial interfaces, TR224 realizes seamless protocol conversion between Modbus RTU/TCP, serial sensors, PLCs, energy meters and 4G LTE cellular network. It supports public LTE mobile networks as well as operator VPDN private dedicated networks, building stable remote data transmission channels for unattended industrial sites, smart electricity, water supply, environmental monitoring and industrial automation.
Built with full industrial protection design, the router supports wide voltage input, wide temperature operation and strong EMC anti-interference performance, adapting to harsh cabinet and field installation environments. It adopts DIN rail mounting structure, compact size to fit standard electrical control cabinets. Supporting fat/fit dual operation modes, multi-level data encryption, remote device management and offline local data cache, TR224 delivers reliable, secure and low-maintenance long-term networking solutions for edge industrial IoT deployment.
FEATURES
✅ Industrial LTE Cat.4 cellular IoT router, compatible with 4G/3G/2G full frequency bands, supporting public mobile network and operator VPDN private dedicated network for secure remote data transmission.
✅ Rich multi-type industrial interfaces: dual Gigabit Ethernet ports, 1×RS232 + dual RS485 serial ports, perfect for connecting PLCs, energy meters, environmental sensors and legacy industrial field equipment.
✅ Built-in Modbus RTU/TCP protocol conversion function, realizing transparent data transmission between serial field devices and cloud IoT platforms without extra protocol gateways.
✅ Rugged industrial hardware design: all-metal aluminum housing, wide-range DC power input, wide operating temperature range, high-level EMC anti-interference performance, adapting to harsh unattended industrial cabinet and field environments.
✅ Standard DIN35 rail mounting structure, compact and slim body, also supports wall-mounted installation, easy to deploy inside standard electrical control cabinets.
✅ Complete industrial network security mechanisms: multi-layer data encryption, firewall, access ACL, MAC address filtering, effectively preventing network intrusion and data leakage.
✅ Reliable offline data cache & automatic reconnection mechanism: cache collected data locally when cellular network disconnects; automatically resume transmission and upload cached data once network recovers, no data loss.
✅ Remote centralized operation & maintenance: support remote configuration modification, firmware batch upgrade, real-time online device status monitoring, greatly reducing on-site maintenance workload.
✅ Intelligent link failover & watchdog self-recovery: automatic switch between cellular 4G and wired Ethernet when link failure occurs; hardware+software dual watchdog to automatically reboot and restore abnormal devices, ensuring 24/7 stable operation.
✅ Lightweight transparent transmission modes (TCP/UDP/MQTT), compatible with mainstream industrial IoT cloud platforms, widely applicable to smart water, smart power, environmental monitoring, factory automation and smart municipal projects.
SPECIFICATIONS
| Cellular Communication | Cellular Standard: LTE Cat.4, backward compatible with 4G/3G/2G full frequency bands |
| Max DL/UL Rate: Downlink 150Mbps / Uplink 50Mbps | |
| SIM Slot: Dual SIM card slots, support SIM hot swap & link redundancy | |
| Antenna Interface: 2 × SMA female 4G cellular antenna ports | |
| Network Access: Public LTE, operator VPDN private dedicated network | |
| Hardware Interfaces | Ethernet Ports: 2 × Gigabit RJ45 (10/100/1000M auto-adaptive), auto MDIVMDI-X |
| Serial Interfaces: 1 × RS232 DB9, dual RS485 terminal block | |
| Serial Baud Rate: 300~230400bps, support Modbus RTU/TCP transparent transmission | |
| Reset Button: Pinhole hardware factory reset key | |
| LED Indicators: Power, System, 4G signal, LAN1/LAN2 serial status indicators | |
| Power Supply | Input Voltage: Wide range DC 9~30V terminal block power input |
| Protection: Reverse polarity protection, over-voltage, over-current, surge protection | |
| Max Power Consumption: ≤8W (full load with 4G module running) | |
| Mechanical & Mounting | Housing: All-metal aluminum alloy industrial shell |
| Dimension: W110 × H45 × D98mm (exclude antennas) | |
| Weight: Approx 360g | |
| Installation: Standard DIN35 rail mounting, wall mounting optional | |
| Environment & EMC | Operating Temperature: -30℃ ~ +70℃ |
| Storage Temperature: -40℃ ~ +85℃ | |
| Relative Humidity: 5% ~ 95% RH, non-condensing | |
| EMC Standard: IEC 61000 industrial grade anti-interference | |
| ESD Protection: Contact ±8KV, air discharge ±10KV | |
| Ingress Rating: IP30 dust-proof | |
| Software Protocols | Transmission Modes: TCP Client / TCP Server / UDP transparent transmission, MQTT protocol for IoT cloud docking |
| Serial Protocol Conversion: Modbus RTU ↔ Modbus TCP bidirectional conversion, serial data transparent transmission over 4G network | |
| Routing & Link: Static routing, automatic link failover between 4G cellular and wired Ethernet, dual SIM automatic switching | |
| Network Security: Multi-layer data encryption, built-in firewall, MAC address filtering, access ACL, IP/MAC binding | |
| O&M & Storage: Offline local data cache, automatic retransmission after network recovery; remote configuration, batch firmware upgrade, TR069 remote management; hardware+software dual watchdog auto-recovery | |
| Management Methods | Local Management: Local WEB configuration page, serial CLI command line |
| Remote Management: SSH remote login, TR069 platform centralized management, remote firmware batch upgrade | |
| Diagnosis Tools: Built-in ping, tracert network diagnosis, system running log export |
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