1 1000Base-LX port (IEEE 802.3z Type 1000Base-LX) Duplex: full Connector: LC Either single mode or multimode 62.5/125 µm or 50/125 µm (core/cladding) diameter, graded-index, low metal content, multimode fiber optic, complying with ITU-T G.651 and ISO/IEC 793-2 Type A1b or A1a, respectively Low metal content, single-mode fiber-optic, complying with ITU-T G.652 and ISO/IEC 793-2 Type B1 Maximum distance: 10 km (single mode) or 550 m (multimode)