100Base-TX, 802.3ab 1000Base-TX and FX Standard Conform to 10Base-T, 100Base-Tx, 1000Base-T and 1000Base-Sx/Lx/Zx specifications Fiber port supports multimode, single-mode, and single-fiber with SC, FC and MT-RJ connectors UTP port supports 10/100/1000 and Half/Full-Duplex auto-negotiation Store and Forward Switching Mechanism Auto-Cross over for MDI/MDIX in TP port Support 4K MAC address Support 256K Byte Packet Buffer LED indication: SPD, FRX, FDX, TRX, POW.