What is the Sandstone 3HE10552AA-ST?
The Sandstone 3HE10552AA-ST is a QSFP optical transceiver module, listed by the manufacturer as "Alcatel-Lucent Compatible 100G QSFP28, 100GBASE-CWDM4, 2km SMF LC, DDM, C-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.