... -way switch is with Genlock external sync signal interface, support RS-232, RS-422, RS-485, TCP / IP control, suitable for any size standard ... , one of the few serial ports can be revised to RS-422, RS-485 serial port according to customer needs. User can issue ... , 2-the RX, 3-TX, 5-GNDControl port TCP/IP,RS-422,RS-485Control software Work at Windows/XP/VistaOptional components 1U temperature ...