... rs485 to fiber optic converter,support daisy chain fiber link Wave length: 850nm,1310 nm,1550nm Fiber type: multi mode 50/125 rs485 ... RX +, TX-, TX + full-duplex mode;RS485 support for A, B half-duplex mode;RS422/ ... protection function.Wire Cable ConnectionRS232:DB9-F. RS485/422:DB9-F or Pluggable Screw Terminal. ... .Pcs Rs232/485/422 to Fiber Optic Converter with two optical ports support daisy chain link ...