What is the Sandstone 3FE53441AC?
The Sandstone 3FE53441AC is a SFP optical transceiver module, listed by the manufacturer as "Alcatel / Lucent Compatible 2.5G/1.2G SFP, 2.5G/1.2G-GPON Class B+, TX1490/RX1310 nm, 30km SMF SC, DDM, I-Temp". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.