What is the Sandstone FOFL-D55573-LCUI0?
The Sandstone FOFL-D55573-LCUI0 is a network/telecom equipment component, listed by the manufacturer as "OADM Flat Filter, 3 Channel DWDM CH55 1533.47NM – CH57 1531.90NM , Industrial Temperature, LC/UPC with East/West Configuration". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.