... LAN, VPN etc 4. Interface: TTL/RS232/RS485 1. OverviewKB2001 is data protocol converter which transmits ... the data between RS232/RS485 and TCP/IP network. KB2001 supply 10M ... interface upwards, and supply one standard RS232 (or RS485) COM port. It have 16K buffer, its ... 2. Product Features Build-in procotol RS232/RS485 to TCP/IP protocol convert steady, with the maturity ...