Supports keep-alive and quickly detects dead links; Supports account and password, can be used for site login and network settings; Built-in website, can also customize websites for users. The global unique mac address purchased from Ieee, the user can define the mac address; Supports Modbus Rtu to Modbus Tcp. Baud Rate: RS-232: 600 bps ~ 230K bps, RS-485: 600 bps ~ 1M bps; Interface Standard: RS-232: DB9 pin type, RS-485: 3 wire (A+, B-, G). Usr-Tcp232-410S has the function of terminal power supply; Auto-Mdi / Mdix, RJ45 port with 10/100 Mbps. Dual Serial Server: Based on the Cortex-M4 solution and integrates the internal TCP / IP protocol stack of the serial server, Supports RS232 and RS485 work at the same time.