This is a RS232 device data collector/Internet of Things gateway specially designed for industrial environment applications, which combines multiple functions such as serial port server, Modbus gateway, MQTT gateway, RS232 to JSON, etc. It has RS232 and Ethernet interfaces. The Ethernet interface has PoE function. It adopts terminal type power access, rail type housing design, small size, convenient installation, and high cost performance. It is suitable for data acquisition, Internet of Things gateway, security Internet of Things, intelligent instrument monitoring and other fields. Model: RS232 TO POE ETH (B) PoE Internet port version Product type: serial port server, Modbus gateway, MQTT gateway Basic function: realize two-way transparent transmission function from RS232 to Ethernet Communication interface: RS232 x 1. Network port x one Power supply mode: RS232 TO ETH (B) terminal: DC 6~36V; RS232 TO POE ETH (B) terminal: DC 6~36V or PoE network port Isolation protection: power isolation, signal isolation protection Communication interface: Ethernet: common network interface/PoE network interface, supporting IEEE 802.3af standard, 10/100M adaptive RJ45 interface, 2 KV level surge protection Serial port: isolated RS232 Baud rate: 300~115200bps Check bit: none, odd check, even check, mark, space Data bits: 5~9 bits Flow control: no flow control Protocols: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS Configuration mode: upper computer configuration, WEB browser, device management function library Communication mode: TCP/IP direct communication, virtual serial port Working mode: TCP server, TCP client (at the same time, TCP server also coexists, UDP, UDP multicast Operating temperature: - 40 ℃~85 ℃ type: A Product size:87x36x59 mm Colour:White<b