suitable for Modbus Serial Port RS485 To Ethernet Converter Server USR-TCP232-304 Data Transmission DHCP/DNS Supported-FO SHAN RAN WANG Support DHCP, automatically obtain an IP address and query IP address through serial setting protocol Support DNS function Set parameters through webpage Upgrade firmware via network Auto-/MDIX, RJ45 port with 10/100Mbps Serial port baud rate from 600 to 230.4 Kbps, Check bit of None, Odd, Even, Mark and Space Work mode: TCP Server, TCP Client, UDP Client, UDP Server, HTTPD Client Support virtual serial port and provide corresponding software - Heartbeat package mechanism to connection is reliable, put an end to dead link User-defined registration package mechanism, check connection status and use as custom packet header Under TCP Server mode, Client number ranges from 1 to 16; default number is 4 Across the gateway, switches, routers Can work in LAN, also can work in the Internet (external network) Colour:As Shown Material:plastic Package Contents: 1 X -TCP232-304 serial port RS485 to Ethernet converter (no power adapter) 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. Please pay attention to the title and description when buying, and pay attention to the title and description when buying.