... (20-120km)6) Flow Control: Full duplex: Supporting standard IEEE802.3x Half Duplex: back pressure7) LED: Power, FX SD, FX Link ... -and-transmission operational mechanism•Supporting IEEE802.3, IEEE802.3U, IEEE802.3X, IEEE 802.3z/AB, IEEE802.1d•Supporting full duplex flow ... Transmit mode: IEEE 802.3,IEEE 802.3u,IEEE 802.3x, store-and-forward process mode Doublet: 0-100MSupporting Agreements: IEEE802 ...