What is the Sandstone 160-9506-900?
The Sandstone 160-9506-900 is a QSFP optical transceiver module, listed by the manufacturer as "Ciena Compatible Multi-Rate QSFP+, 40GBASE-PSM4-IR4, 1310 nm, 10km SMF MPO12, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.