What is the Sandstone USFP+192/SS12-ST?
The Sandstone USFP+192/SS12-ST is a SFP+ optical transceiver, listed by the manufacturer as "RAISECOM Compatible 10G SFP+, 10GBASE-BX-U, TX1270/RX1330 nm, 10km SMF LC, DDM, C-Temp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.