What is the Sandstone 02311YNR-ST?
The Sandstone 02311YNR-ST is a QSFP optical transceiver module, listed by the manufacturer as "Huawei Compatible 50G QSFP28, 50GBASE-LR, 1310 nm, 10km SMF LC, DDM, CTemp, BLUE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.