What is the Sandstone 160-9109-900-ST?
The Sandstone 160-9109-900-ST is a SFP+ optical transceiver, listed by the manufacturer as "Ciena Compatible 10G SFP+, 10GBASE-BX-D, TX1330/RX1270 nm, 40km SMF LC, DDM, E-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.