The Cisco 100BASE-FX SFP Module is a hot-swappable input/output device that plugs into a Fast Ethernet port or slot, linking the port with the network. It operates on ordinary multimode fiber-optic (MMF) link spans up to 2 kilometers long. Supports the Cisco quality ID feature that enables the switch or router to identify whether or not the SFP is a Cisco qualified SFP. SFP offers enhanced dependability with maximum productivity With 100Base-FX technology, enjoy up to 100Mbps data transfer rate over optical fiber cable Featuring Fast Ethernet port to enhance the data transfer rate by up to 100Mbps for connectivity Optical fiber cable compatible - Spans afar and provides speedy data transmission rates between servers and network components Typically used for short distance, multi-mode fiber optic is ideal to carry data and transmit audio/video applications within a building Hot-swappable form factor for added reliability and dependability SFP with data networking application/usage for maximum productivity and usability