What is the Sandstone 3HE07928AA-ST?
The Sandstone 3HE07928AA-ST is a QSFP optical transceiver module, listed by the manufacturer as "Alcatel-Lucent Compatible 40G QSFP+, 40GBASE-SR4, 850 nm, 150m MMF MPO12, DDM, C-Temp, BEIGE Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.