What is the Sandstone 10G-SFPP-USR-ST?
The Sandstone 10G-SFPP-USR-ST is a SFP+ optical transceiver, listed by the manufacturer as "Brocade Compatible 10G SFP+, 10GBASE-USR, 850 nm, 100m MMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.