The Cisco GLC-GE-100FX is a 100BASE-FX Small Form-Factor Pluggable (SFP) transceiver module designed for Gigabit Ethernet and Fast Ethernet applications. It provides a reliable and cost-effective way to connect Cisco networking equipment over multimode fiber (MMF) at distances up to 2 kilometers. Ideal for enterprise networks and campus environments, the GLC-GE-100FX offers high performance, low power consumption, and hot-swappable convenience for seamless deployment and maintenance.