Basic Function: Adopts WDM technology, Half/Full-Duplex transfer mode for FX port, Full Duplex Flow Control (IEEE 802.3x), Half Duplex Flow Control (Backpressure), Link Fault Passthrough and Far End Fault minimize the loss caused by link failure timely, Extends fiber distance up to 20km, WDM TX: 1310nm, WDM RX: 1550nm, Network Media 10BASE-T: UTP category 3, 4, 5 cables (maximum 100m), EIA/TIA-568 100ohm STP (maximum 100m), Network Media 100BASE-T: UTP category 5, 5e cable (maximum 100m), EIA/TIA-568 100ohm STP (maximum 100m), Network Media 100BASE-FX: Single-mode Fiber