What is the Sandstone FOFL-DW5956-PTSI9?
The Sandstone FOFL-DW5956-PTSI9 is a network/telecom equipment component, listed by the manufacturer as "OADM Flat Filter, 4 channel DWDM channel 59 1530.33 to channel 56 1532.68, Industrial Temperature, Pigtail/Splice-On with East/West Configuration". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.