What is the Sandstone 109564518-ST?
The Sandstone 109564518-ST is a SFP optical transceiver module, listed by the manufacturer as "Alcatel-Lucent Compatible Multi-Rate SFP, OC48/12/3-SR1, 100M-2.7Gbps, 1310 nm, 2km SMF LC, DDM, I-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.