Provide a 10/100/1000BASE-TX electrical port, two Gigabit optical ports, or pass the DIP switch
Strongly made into 10BASE-FX, compatible with EEE802 3af standard POE PSE supports super long frame 9K words
Section data packet external DC power supply, over current protection, optical port can choose multimode and single fiber optical mode
Block, support LFP (link failure detection).