... Switch 1,10/100/1000M or 10/100M 2,singlefiber or dule fibers 3,1 or ... fiber interface,2-8 electric interfa 4,Switch 10/100M 7ethernet ports fiber optical media converter 1. InterfaceRJ ... TX and RX. When the two sets of optical transceiver are interfaced or connected to switch with fiber interface, ... connected to SC/ST fiber interface of the optical transceiver. Then switch on. The corresponding LED is on ...