What is the Sandstone CWDM-XFP-1610-ST?
The Sandstone CWDM-XFP-1610-ST is a XFP optical transceiver module, listed by the manufacturer as "Cisco Compatible 10G CWDM XFP, 10GBASE-ZR, OC192-LR2, STM64-L64.2, 1610 nm, 80km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.