The Cisco Catalyst 2955C-12 is a member of the Catalyst 2955 Series, and is an industrial-grade switch that provides Fast Ethernet and Gigabit Ethernet connectivity for deployment in harsh environments. With a range of copper and fiber uplink options, the Catalyst 2955 operates in environments such as industrial networking solutions (industrial Ethernet deployments), intelligent transportation systems (ITS), and transportation network solutions. It is also suitable for many military and utility market applications where the environmental conditions exceed the specifications of other commercial switching products. - Rugged: Implements industrial-grade components, a compact form factor, convection cooling, and relay output signaling. Designed to operate at extreme temperatures and under extreme vibration and shock. - Intelligent: Offers Cisco IOS® Software functionality for traditional data, video and voice services with enhanced intelligent services features for additional security, advanced QoS, high availability, and manageability. - Twelve 10/100 ports and two 100BASE-FX (Multimode Fiber) uplinks - Enhanced Image (EI) Software