What is the Sandstone QSFP-100G-AOC3M-ST?
The Sandstone QSFP-100G-AOC3M-ST is a QSFP optical transceiver module, listed by the manufacturer as "Cisco Compatible 100G QSFP28, 100GBASE-Active Optical Cable, 3m AOC MMF QSFP28, DDM, C-Temp, BLACK Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.