What is the Sandstone 100G-CFP2-LR4-ST?
The Sandstone 100G-CFP2-LR4-ST is a CFP2 optical transceiver, listed by the manufacturer as "CFP2 transceiver module100 Gigabit Ethernet100GBase-LR4LC single-mode Sandstone". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.