Specification:
rs-485 connector 4 port hub
the built-in converter rs232 interface on rs-485 connector
separation - isolation optoizolacja 1000vdc (1kv)
transmission with a speed of 300bps to 115,2kbps
leds indicate status
supply voltage dc 9v - 24 volt
power input to 2,5w
installation on din rail
the input connector rs232 db9
the maximum distance transmission lines: 1200m @ 19,2kbps