Avaya/Nortel® NTTP07FF Compatible 1000Base-ZX SFP Transceiver (SMF, 1550nm, 80km, LC, DOM, Rugged). A 100% Avaya/Nortel® compatible SFP transceiver that operates at 1550nm over single-mode fiber, with a maximum reach of 80km connected via a LC connector. This Avaya/Nortel® SFP transceiver is 100% compliant with its designed networking application, and is factory programed with Avaya/Nortel® specific configuration data required for seamless networking integration. This SFP transceiver will initialize and perform identically to Avaya/Nortel's transceiver and is built to meet or exceed Avaya/Nortel'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.