What is the Sandstone CWDM-SFP-10G-1510?
The Sandstone CWDM-SFP-10G-1510 is a SFP+ optical transceiver, listed by the manufacturer as "Cisco Compatible 10G CWDM SFP+, 10GBASE-ZR, 1510 nm, 80km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.