Lightweight Startech.com Hp J4858c Compatible Sfp Transceiver Module - 1000base-sx - For Optical Network, Data Networking - 1 X Lc Duplex 1000base-sx Network - Optical Fiber - Multi-mode - 1.25 Gigabit Ethernet - 1000base-sx - Hot-pluggable, Hot-swappable - 1 Each Kit [l87XrOiS]

The J4858CST is an HP J4858C compatible fiber transceiver module that has been designed, programmed and tested to work with HP® brand switches and routers. It delivers dependable 1 GbE connectivity over fiber cable, for 1000BASE-SX compliant networks, with a maximum distance of up to 550 m (1804 ft).