... 1.TCP, UDP network protocol; 2. Serial port-RJ45 converter 3. Suit for LAN, VPN etc ... and supply one standard RS232 (or RS485) COM port. It have 16K buffer, its parameters can be ... -232/RS-485 • Connector:4.0mm pluggable terminal block • Configuration interface: RJ45(network) Power Power supply: 5V~12V DC ... : 20~95% non-condensing KB2001 Serial port-RJ45 conerter network converter,Suit for LAN, VPN etc