Ciena® NTK587AYE5 Compatible 10GBase-DWDM XFP Transceiver (SMF, 1537.4nm, 80km, LC, DOM). A 100% Ciena® compatible XFP transceiver that operates at ITU Channel 50, ITU Wavenlength 1537.4nm, and ITU Frequency 195000GHz over single-mode fiber, with a maximum reach of 80km connected via a LC connector. This Ciena® XFP transceiver is 100% compliant with its designed networking application, and is factory programed with Ciena® specific configuration data required for seamless networking integration. This XFP transceiver will initialize and perform identically to Ciena's transceiver and is built to meet or exceed Ciena's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.