What is the Sandstone J9150D?
The Sandstone J9150D is a SFP+ optical transceiver, listed by the manufacturer as "J9150D-ST HP Compatible 10G SFP+, 10GBASE-SR, 850 nm, 300m MMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.