What is the Sandstone USFP+10G-S2-D-R-BXD-ST?
The Sandstone USFP+10G-S2-D-R-BXD-ST is a SFP+ optical transceiver, listed by the manufacturer as "RAISECOM Compatible 10G SFP+, 10GBASE-BX-D, TX1330/RX1270 nm, 40km SMF LC, DDM, C-Temp, RED Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.