.Optic Transmitter and Receiver FC Port 20km,40km,60km,80km Reliable Quality Factory ... RS232, RS422/RS485 compatible data interfaces * No electromagnetic interference, no radio frequency interference, no ground current* Using APC circuit, invariable optical ... (multi-mode) * Transmitting optical power: (-8 ~ 0)dBm on average * Receiver sensitivity: <-15.6dBm for 1,310nm * Optical power budget: >12dB ...