Allied Telesis® AT-SPSX compatible 1000Base-SX SFP transceiver (MMF, 850nm, 550m, LC). An Allied Telesis® SFP transceiver that operates at 850nm over multi-mode fiber, with a maximum reach of 550m connected via a LC connector. This Allied Telesis® 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 Allied Telesis' transceiver and is built to meet or exceed Allied Telesis' 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.