HP J4859C Hewlett-Packard HP ProCurve networking / enterprise server hardware Switch / Carrier Ethernet Line Card

The HP J4859C is a ProCurve Gigabit-LX-LC Mini-GBIC, a 1000BASE-LX single-mode fibre transceiver with LC connectors, built to fit the mini-GBIC transceiver slots on HP’s ProCurve switch range (including the vl and zl chassis module uplink ports and fixed-configuration switches with mini-GBIC slots). The LX designation means it’s designed for longer single-mode fibre runs (typically up to around 10km) rather than the shorter multimode reach of the equivalent SX transceiver, making it the right choice for building-to-building or longer in-building fibre uplinks rather than short in-rack fibre runs. Buyers should confirm the target switch or module uses HP’s mini-GBIC form factor specifically (as opposed to the later SFP+ or X2 formats used on newer HP platforms) before ordering, since the transceiver slot types are not interchangeable across HP’s switch generations. Tech-Star (UK-based, shipped worldwide) supplies ProCurve mini-GBIC transceivers for ongoing network maintenance.