Cisco Catalyst 4503 - Modular expansion base - 7 U - rack-mountable 12-Port Gigabit Ethernet Switch (WS-C4503-RF)

The Cisco Catalyst 4500 Series offers nonblocking Layer2/3/4 switching with integrated resiliency further enhancing control of converged networks. Converged voice/video/data networks with high availability enable business resiliency for enterprise and metropolitan (metro) Ethernet customers deploying Internet-based business applications. Integrated resiliency enhancements offered in the Cisco Catalyst 4500 Series include integrated inline power for IP telephony software-based fault tolerance and 1 + 1 power supply redundancy. Integrated resiliency in both hardware and software minimizes network downtime ensuring workforce productivity profitability and customer success. As a key component of Cisco AVVID (Architecture for Voice Video and Integrated Data) the Cisco Catalyst 4500 extends control to the network edge with intelligent network services including sophisticated quality of service (QoS) predictable performance advanced security comprehensive management and integrated resiliency. Offering compatibility w