What is the Precision DT411-1ULU00-ETRA?
The Precision DT411-1ULU00-ETRA is a network/telecom equipment component, listed by the manufacturer as "DWDM, Twin (Mux + Demux), ITU 21-60, 100GHz grid, 1RU 19” wide (include brackets), LC-UPC, with Express + Transmit test + Receive Test ports, AWG". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.