What is the Sandstone BP3AM4TF-ST?
The Sandstone BP3AM4TF-ST is a XFP optical transceiver module, listed by the manufacturer as "BTI Compatible Multi-Rate DWDM XFP, 10GBASE-ZR, OC192-LR2, STM64-L64.2, Tunable, C-Band, 80km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.