What is the Sandstone TOM-10G-D34-LR2-ST?
The Sandstone TOM-10G-D34-LR2-ST is a XFP optical transceiver module, listed by the manufacturer as "10GBase-DWDM XFP Transceiver (SMF, 1550.12nm, 80km, LC, DOM)". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.