[shortdesc] HPE Aruba Networking 1G SFP LC SX (1000Base-SX) MMF transceiver, 850 nm, up to 500 m (1640 ft) [/shortdesc] [specifications] Specifications JL4858D Description J4858D transceiver, LC SX, 850 nm, OM2 MMF up to 500 m (for selected HPE Aruba Networking switches) Product Family HPE Aruba Networking Product Type Transceiver Module SFP Network Technology 1000Base-SX Fiber mode MMF Connectors Duplex LC Operating Distance 500 m Center Wavelength 850 nm Data Rate Up to 1.25 Gb/s Transmit power –9.5 to 0 dBm Receive power –17 to –3 dBm Compatibility Aruba 4100i, 6000, 6100, 6200 ,6400, 8320, 8325, 8360, 8400x, 10000 Switch Series Fiber mode Fiber diameter (µm) Modal bandwidth (MHz*km) Transmission distance MMF 50/125 500 (OM2) 550m (1804.46 ft) 400 500 m (1640.42 ft) 62.5/125 200 (OM1) 275m (902.23 ft) 160 220m (721.78 ft) [/specifications] HPE Aruba Networking J4858D SFP LC SX (1000Base-SX) Transceiver The HPE Aruba J4858D SFP LC SX transceiver is a reliable and cost-effective solution for short-range fiber uplinks in enterprise and campus networks. Supporting 1 GbE 1000Base-SX over multimode fiber (MMF), it delivers seamless connectivity with a reach of up to 550 meters on OM2 fiber. With its hot-swappable SFP design, this module ensures zero-downtime servicing and effortless integration into Aruba switches. Key Features 1G Gigabit Performance: Supports 1000Base-SX, 850 nm wavelength, up to 1.25 Gb/s data rate. Flexible Reach: Up to 550 m on OM2 fiber and 275 m on OM1, ideal for campus and enterprise deployments. Compact Hot-Swappable Design: Simple plug-and-play installation without disrupting operations. Wide Compatibility: Fully tested with Aruba 4100i, 6000, 6100, 6200, 6400, 8320, 8325, 8360, 8400X, and 10000 Switch Series. Trusted for Enterprise Applications: Perfect for uplinking IDFs to MDFs, Wi-Fi backhaul, VoIP, and surveillance traffic. Ideal Use Cases Short-to-medium distance fiber uplinks between access and aggregation switches. Campus networks connecting IDFs to MDFs. Reliable, budget-friendly fiber links for VoIP, Wi-Fi, and IP surveillance.