What is the Sandstone TOM-10G-DT-LR2-ST?
The Sandstone TOM-10G-DT-LR2-ST is a XFP optical transceiver module, listed by the manufacturer as "10GBase DWDM OC-192/STM-64/10G SONET ZR LC, 80 Km, Tunable XFP transceiver; 100% Infinera compatible". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.