What is the Sandstone 100-01512-ST?
The Sandstone 100-01512-ST is a SFP+ optical transceiver, listed by the manufacturer as "Calix Compatible 10G SFP+, 10GBASE-LR, 1310 nm, 10km SMF LC, DDM, I-Temp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.