What is the Sandstone 160-9204-900-ST?
The Sandstone 160-9204-900-ST is a SFP+ optical transceiver, listed by the manufacturer as "Ciena Compatible 10G SFP+, 10GBASE-ER, OC192-IR2, STM64-S64.2b, 1550 nm, 40km SMF LC, DDM, E-Temp, RED Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.