What is the Sandstone 160-9103-900-ST?
The Sandstone 160-9103-900-ST is a SFP+ optical transceiver, listed by the manufacturer as "Ciena Compatible 10G SFP+, 10GBASE-LR, OC192-SR1, STM64-I64.1, 1310 nm, 10km SMF LC, DDM, E-Temp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.