What is the Sandstone 3HE04324AA?
The Sandstone 3HE04324AA is a SFP optical transceiver module, listed by the manufacturer as "Alcatel/Lucent Compatible 1G SFP, 1000BASE-BX-U, TX1310/RX1490 nm, 40km SMF LC, DDM, I-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.