Manufacturer: TRICONEX Invensys Model: 4351B Number of Ports: 4 Serial Ports (RS-232/RS-485), 2 Network Ports (10/100 BaseT Ethernet Ports) Connector Type: DB-9 Connector, RJ-45 Connector quarantine Voltage: 500VDC Protocol Support: TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA, Trimble GPS, Embedded OPC Server, Peer-to-Peer (UDP/IP) Fiber Port: 2 Fiber Mode Ethernet Ports (MT-RJ Connector, 62.5/125 um Fiber Cable) Certified Product: Yes，The TRICONEX 4351B communication module is one of the indispensable components in industrial automation, and its superior design enables it to adapt to a variety of demanding working environments. The module has powerful communication capability, supports a variety of industrial standard protocols, and can achieve efficient data transmission and remote monitoring. Its rugged design ensures long-term stable operation, especially suitable for petroleum, chemical, electric power, manufacturing and other industrial occasions requiring high reliability.In addition, TRICONEX 4351B is equipped with advanced safety features, such as 500VDC port quarantine voltage, which effectively prevents electrical interference and fault propagation, and ensures the stability and safety of the system. Easy installation and low maintenance costs make it ideal for improving the performance of industrial automation systems.