Cisco 7600-ES+20G3CXL= Gigabit Ethernet network switch module

7600 Ethernet Services Plus Line Card, 20xGE SFP with DFC 3CXL Cisco is the worldwide leader in networking that transforms how people connect, communicate, and collaborate. Their technology is changing the nature of work and the way we live. Founded in 1984, Cisco pioneered the development of Internet Protocol (IP)-based networking technologies. This tradition continues with the development of routing, switching, and other technologies such as application networking services, home networking, security, storage area networking, TelePresence systems, unified communications, video systems, and wireless.