What is the Sandstone XCVR-A10Y31-I-ST?
The Sandstone XCVR-A10Y31-I-ST is a SFP optical transceiver module, listed by the manufacturer as "Ciena Compatible 1.25G SFP, 1000BASE-LX, 1310 nm, 10km SMF LC, DDM, I-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.