INDUSTRIAL IOT gateway

IG325

industrial dual-mode 5G IoT gateway with multiple Gigabit LAN ports, rich serial interfaces and dual SIM card link redundancy

Modbus protocol conversion, VPDN private network, ultra-wide temperature industrial design, triple link automatic failover, offline massive data cache, multi-layer VPN & firewall security, TR069 cloud remote O&M and dual watchdog auto-recovery

OVERVIEW

IG325 is a high-performance industrial 5G cellular IoT gateway newly launched, positioned for high-bandwidth video transmission, massive log data upload and real-time industrial control signal forwarding scenarios such as smart city, intelligent transportation, factory automation, photovoltaic and wind power monitoring.
 
Equipped with multiple gigabit Ethernet ports and rich serial bus interfaces, TR325 supports bidirectional Modbus RTU/TCP protocol conversion, and can seamlessly connect high-definition monitoring cameras, industrial PLCs, energy meters, environmental sensors and edge computing terminals to remote industrial IoT cloud platforms. It adopts complete 5G NSA/SA dual-mode communication module, backward compatible with 4G/3G/2G full frequency bands, equipped with dual SIM card hot-swap design to realize cellular link redundancy backup, and supports operator public network and VPDN private dedicated network to build stable encrypted high-speed data transmission tunnels for dispersed unattended field equipment.
 
The whole machine adopts full metal aluminum alloy industrial reinforced shell, dual-path DC 5~30V wide-range power input with complete surge, over-current and reverse polarity protection; it supports ultra-wide temperature operation range from -40℃ to +75℃, and high-grade IEC 61000 EMC anti-interference design, which can run stably in harsh environments such as northern low-temperature outdoor cabinets, southern high-temperature deserts and strong electromagnetic interference workshops. It supports standard DIN35 rail installation and wall-mounted deployment, with compact body to adapt to limited cabinet space.
 
TR325 integrates a full set of industrial-grade networking reliability mechanisms: triple link automatic failover (dual 5G SIM mutual backup + automatic switch between 5G wireless and wired gigabit Ethernet), expanded local offline data cache to realize complete data resumption after network recovery without packet loss; multi-layer data encryption, multi-protocol VPN tunnels, built-in firewall and refined ACL access control ensure secure transmission of industrial confidential data. It supports TR069 cloud platform centralized remote O&M, including remote configuration modification, batch firmware upgrade and real-time equipment status monitoring; matched with hardware & software dual watchdog self-recovery function, it guarantees 24/7 uninterrupted stable operation of long-term unattended industrial monitoring stations.

FEATURES

✅ Industrial dual-mode 5G gateway, support SA independent networking & NSA non-independent networking, backward compatible with 4G/3G/2G full global frequency bands, meet multi-region operator network access demands.

✅ Dual SIM hot-swap design for cellular link redundancy; automatic switch between two SIM cards when one operator network drops off, eliminate single-point disconnection risk.

✅ Triple link failover mechanism: dual 5G SIM mutual backup + automatic switch between 5G wireless and wired Gigabit Ethernet, realize 24/7 uninterrupted network transmission for unattended field stations.

✅ Abundant industrial peripheral interfaces: multiple Gigabit Ethernet RJ45 ports, 1×RS232 DB9 serial port + dual terminal-block RS485 bus interfaces, perfectly connect high-definition cameras, PLC, energy meters, environmental sensors and edge terminals.

✅ Built-in bidirectional Modbus RTU/TCP protocol conversion, support TCP/UDP/MQTT transparent transmission, seamlessly dock mainstream industrial IoT cloud platforms, compatible with power DL/T645, industrial PLC mainstream communication protocols.

✅ Expanded large-capacity offline data cache; massive collected data will be stored locally during network outage, all cached data will be fully uploaded automatically after network recovery, zero data loss.

✅ Rugged all-metal aluminum alloy industrial shell, dual DC 5~30V wide-range power input, complete power protection circuits including reverse polarity, over-voltage, over-current and surge lightning protection.

✅ Ultra-wide temperature industrial design, stable operation at -40℃ ~ +75℃; high-grade IEC 61000 EMC anti-interference performance, stable operation in low-temperature outdoor cabinets, high-temperature desert and strong electromagnetic interference workshops.

✅ Standard DIN35 rail mounting, optional wall-mount bracket, compact size, suitable for installation in narrow electrical control cabinets.

✅ Complete multi-layer industrial network security system: multi-level data encryption, multi-protocol VPN tunnels (IPsec/PPTP/L2TP), built-in SPI firewall, DoS attack defense, refined ACL access control, IP/MAC binding and MAC address filtering to prevent network intrusion and confidential data leakage.

✅ Full TR069 cloud centralized remote O&M capability: remote configuration modification, batch firmware upgrade, real-time online equipment status monitoring, remote fault diagnosis and system log export, greatly reduce on-site maintenance workload of mass distributed equipment.

✅ Hardware & software dual watchdog self-recovery mechanism, real-time heartbeat link detection; abnormal equipment will automatically reboot and recover, links will automatically reconnect after disconnection, guarantee long-term unattended industrial monitoring stations stable operation all day long.

✅ Built-in NTP automatic network time synchronization, rich network diagnosis tools including ping/traceroute; support port mapping, DMZ host and intranet penetration to realize remote access of on-site industrial equipment.

✅ Support operator VPDN private dedicated network, build isolated encrypted private transmission channels for power, water conservancy and other industrial private network projects.

SPECIFICATIONS

Cellular Communication 5G Standard: SA standalone + NSA non-standalone dual-mode
Backward Compatibility: Global 4G LTE / 3G / 2G full frequency bands
Peak Rate: 5G downlink 1Gbps, uplink 100Mbps; LTE Cat.4 backward rate 150M/50M
SIM Slot: Dual SIM card slots, hot-swap supported, automatic switch redundancy
Antenna Interfaces: 4 × SMA female 5G cellular antenna ports
Network Access Mode: Public cellular network, operator VPDN private dedicated network
Hardware Interfaces Ethernet Ports: 4 × Gigabit RJ45 LAN (10/100/1000M adaptive), auto MDIVMDI-X
Serial Interfaces: 1 × DB9 RS232, dual terminal-block RS485 bus
Serial Baud Rate: 300 ~ 230400bps, bidirectional Modbus RTU/TCP conversion
Reset Button: Pinhole hardware factory reset
LED Indicators: Power, System, 5G signal strength, LAN status, serial running status
Power Supply Input Voltage: Dual DC wide voltage input 5 ~ 30V terminal power supply
Protection Circuit: Reverse polarity protection, over-voltage, over-current, surge & lightning protection
Max Power Consumption: ≤12W (full load dual SIM + 5G module running)
Mechanical & Mounting Housing: All-metal aluminum alloy industrial dust-proof shell
Dimension: W130 × H50 × D110mm (exclude antennas)
Weight: Approx 420g
Installation Method: Standard DIN35 rail mounting, wall-mount bracket optional
Environment & EMC Operating Temperature: -40℃ ~ +75℃ ultra-wide temperature range
Storage Temperature: -40℃ ~ +85℃
Relative Humidity: 5% ~ 95% RH, non-condensing
EMC Standard: IEC 61000 industrial high-grade anti-interference standard
ESD Protection: Contact ±8KV, air discharge ±10KV
Ingress Rating: IP30 dust-proof
Software Protocols Transmission Modes: TCP Client / TCP Server / UDP transparent transmission, MQTT IoT protocol for cloud platform docking
Serial Protocol Conversion: Bidirectional Modbus RTU ↔ Modbus TCP conversion, serial data transparent transmission over 5G cellular network
Routing & Link: Static routing; triple link failover mechanism: dual 5G SIM mutual backup + automatic switch between 5G wireless & wired Gigabit Ethernet
Network Security: Multi-layer data encryption; multi-protocol VPN (IPsec/PPTP/L2TP); built-in SPI firewall, DoS attack defense; refined ACL access control, IP/MAC binding, MAC address filtering
O&M & Storage: Large-capacity local offline data cache, auto-retransmission of cached data after network recovery; TR069 cloud centralized remote O&M, remote configuration modification, batch firmware upgrade; hardware+software dual watchdog auto-recovery, automatic reconnection after link drop
Auxiliary Network Functions: NTP automatic network time synchronization; built-in ping/traceroute network diagnosis tools; port mapping, DMZ host, intranet penetration for remote access of field industrial equipment
Management Methods Local Management: Local WEB configuration page, serial CLI command line debugging
Remote Management: SSH remote login, TR069 cloud platform centralized management, remote batch firmware upgrade
Diagnosis Tools: Built-in network diagnosis commands, system running log export

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