2 Ports Fast Ethernet Fiber: Dual SC fiber, 100Mbps, 20-km, 1310-nm, singlemode; 3 Ports RJ-45: 10/100Mbps full/half duplex auto-negotiation, MDI/MDIX auto-crossover; Cable type: UTP/STP Cat.5/5e, up to 100 meters; LED indicators for PWR, TP3, FX2, TP2, FX1, TP1 can dynamic feedback link connection state and fault detection to easily monitor network status.