J4859D — Aruba 1G SFP LC LX 10km SMF xcvr

The J4859D is an HPE Aruba 1 Gigabit SFP transceiver on single-mode fiber, compliant with the 1000BASE-LX standard. It uses an LC duplex SMF connector and delivers a reach of 10 km, positioning it for interconnects between campus buildings or industrial site facilities. Its operating range of 0 to 70 °C suits network cabinets in controlled environments.

The J4859D is the non-TAA counterpart of the JL746A: it delivers identical 1000BASE-LX optical performance over 10 km on SMF, without any regulatory compliance constraint, making it the right fit for private-sector organizations looking to manage costs while staying within the HPE Aruba ecosystem. Genuine hardware, manufacturer warranty.