What is the Sandstone 1442910G1-ST?
The Sandstone 1442910G1-ST is a XFP optical transceiver module, listed by the manufacturer as "Adtran Compatible 10G XFP, 10GBASE-LR, 1310 nm, 10km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.