What is the Sandstone XFP-10G-BX-U60?
The Sandstone XFP-10G-BX-U60 is a XFP optical transceiver module, listed by the manufacturer as "Cisco ASR Compatible 10G XFP, 10GBASE-BX-U, TX1270/RX1330 nm, 60km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.