What is the Sandstone FOFL-DW4342-PTSI9?
The Sandstone FOFL-DW4342-PTSI9 is a network/telecom equipment component, listed by the manufacturer as "OADM Flat Filter, 2 channel DWDM channel 43-42, (1542.94 to 1543.73) Industrial Temperature, Pigtail/Splice-On with East/West Configuration". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.