Support DHCP, automatically obtain an IP address and query IP address through serial protocol setting DNS support function Set the parameters through the web page Firmware update via the network Auto-MDI / MDIX, RJ45 port with 10/100 Mbps Serial port baud rate from 600 bps to 230.4 Kbps, Control bits of None, Odd, Even, Mark and Space Working modes: TCP Server, TCP Client, UDP Client, UDP Server, HTTPD Client Support virtual serial port and provide corresponding USR-VCOM software Heartbeat package mechanism to ensure the connection is reliable, put an end to dead link User-defined package registration mechanism, check connection status and use as the packet header In TCP Server mode, Client number ranges from 1 to 16; default number is 4 The global unique MAC address bought from IEEE, the user can define MAC address Factory default reset Through the gateway, switch, router Can work in LAN, also can work in internet (external network) Provide PC TCP / IP programming test socket such as VB, C ++, Delphi, Android and IOS Support customization Industrial data transmission, industrial automation Safety and security monitoring, public safety Smart home, power control, environmental monitoring, smart agriculture Control door at work attendance system, POS system, rice sales system Building automation system, power control, self-service banking system, telecommunications monitoring machine room Colour: black Material: metal Package Contents: 2 * rs232 to Ethernet converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.