1.TCP, UDP network protocol; 2. Serial port-RJ45 converter 3. Suit for LAN, VPN etc 4. Interface: TTL/RS232/ ... is data protocol converter which transmits the data between RS232/RS485 and TCP/IP network. KB2001 supply 10M/100M Ethernet interface upwards ... , flexible, easy to use and management3. Specifications Interface 10M/100M Ethernet interface Serial data interface • Type: TTL/RS-232/RS-485 ...