Allied Telesis速 AT-SPSX/I compatible 1000Base-SX SFP transceiver (MMF, 850nm, 550m, LC , Rugged). A 100% Allied Telesis速 compatible SFP transceiver that operates at 850nm over multi-mode fiber, with a maximum reach of 550m connected via a LC connector. This Allied Telesis速 SFP transceiver is 100% compliant with its designed networking application, and is factory programmed with Allied Telesis速 specific configuration data required for seamless networking integration. This 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.