The Cisco GLC-SX-MMD SFP Module is designed for Gigabit Ethernet and fiber channel applications over multimode fiber (MMF). This module supports short-range data transmission up to 550 meters, making it ideal for data centers, enterprise networks, and campus LAN environments where short-distance, high-speed data transfer is required. It features hot-swappable functionality, ensuring quick and easy deployment without interrupting network operations. Additionally, it offers Digital Optical Monitoring (DOM) capabilities, providing real-time diagnostics of parameters like optical power and temperature for enhanced monitoring and maintenance.