Cisco® WS-G5484 Compatible 10 Pack 1000Base-SX GBIC Transceiver (MMF, 850nm, 550m, SC). A 100% Cisco® compatible GBIC transceiver that operates at 850nm over multi-mode fiber, with a maximum reach of 550m connected via a SC connector. This Cisco® GBIC transceiver is 100% compliant with its designed networking application, and is factory programed with Cisco® specific configuration data required for seamless networking integration. This GBIC transceiver will initialize and perform identically to Cisco's transceiver and is built to meet or exceed Cisco'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.