... delay automatic transmit2) 500Kbps the highest rate3) Supply three interface (RS232/485/422)4) Multi-mode 2km, signal-mode 20, 25 ... -, T+, T-, GND5) Fiber signal: In, Out6) Working: asynchronism, point to point7) Direction control: adopt automatic send data control, auto distinguish ... Date:2012-04-24 04:30:57 Fiber Optic Modem / rs232 / rs485 to fiber optic converter