... /71/62 series are a smart plug--play industrial Ethernet switch, which can provide economical solution for your Ethernet. Its dustproof ... , and support MDI/MDI-X connectionFiber Port: 100BaseFX ports (SC/ST connector, optional)Single-mode: 20, 40,60, 80, 120Km,optionalMulti-mode ... ,SC/FCSTPcsTransmission distance and single fiber is optinal Industrial 8 port Ethernet Switch/Media Converter Ck-if80