What is the Sandstone QSFP-100G-DR+-A-ST?
The Sandstone QSFP-100G-DR+-A-ST is a QSFP optical transceiver module, listed by the manufacturer as "Arista Compatible 100G QSFP28, 100GBASE-DR+, 1310 nm, 2km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.