COMMANDO LightningFIBER Media converter series supports IEEE 802.3 for 10BASE-T/F, IEEE 802.3u for 100BASE-TX/FX, IEEE 802.3 for 10BASE-T/F, IEEE 802.3u for 100BASE-TX/FX. IEEE 802.3i, IEEE 802.3u, IEEE 802.3z, IEEE 802.3x, IEEE 802.3ab, 10/100/1000Base-T, 10/100/1000TX, 10GBASE-LR/10GBASE-SR, LC, Multimode, Single-mode with supporting wavelengths 850nm, 1310nm, 1550nm covering distance up to 0.55/3/25/40/60/80/100KM also supported Auto-MDIX function, automatically identify straight forward cable and cross-over cable. Support port auto-negotiation function (Automatically negotiate transmission rate and Duplex modes). Support Link Fault Pass Through function with diagnostic LED for continuous monitoring.