What is the Sandstone FC1R-D5916-LCU2Q?
The Sandstone FC1R-D5916-LCU2Q is a network/telecom equipment component, listed by the manufacturer as "Combination Mux/DeMux 19" 1RU Filter, 44 channel DWDM Ch59-16, Industrial Temperature, LC/UPC Dual fiber with Expansion port". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.