HPE X121 1G SFP LC SX Transceiver (J4858C)

J4858C | SFP (mini-GBIC) | IEEE 802.3z | 62.5/125 ?m or 50/125 ?m (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 | 1x LC 1000Base-SX port(IEEE 802.3z Type 1000Base-SX) | Duplex: full only | 220 m (62.5 ?m core diameter, 160 MHz/km bandwidth) | 275 m (62.5 ?m core diameter, 200 MHz/km bandwidth) | 500 m (50 ?m core diameter, 400 MHz/km bandwidth) | 550 m (50 ?m core diameter, 500 MHz/km bandwidth) | 1 Gbps | With one 1000Base-SX port | designed for short-distance (<550 m max.) multimode fiber connectivity | 0.02 kg | 57 x 12 x 14 mm | Gigabit Ethernet | LC multi-mode