Avaya/Nortel® AA1419057. AA1419057-E5. AA1419057-E6 compatible 1000Base-CWDM SFP transceiver (SMF. 1550nm. 40km. LC. DOM). An Avaya/Nortel® SFP transceiver that operates at 1550nm over single-mode fiber. with a maximum reach of 40km connected via a LC connector. This Avaya/Nortel® compatible SFP transceiver has been programmed. uniquely serialized. and data-traffic and application tested to ensure it is 100% compliant and functional. Our 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.