What is the Sandstone 02312AXF-80K-ST?
The Sandstone 02312AXF-80K-ST is a QSFP optical transceiver module, listed by the manufacturer as "Huawei Compatible 50G QSFP28, 50GBASE-ZR2, 1310 nm, 80km SMF LC, DDM, ITemp, GREY Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.