Cisco Catalyst 4500E Service Module 48 Port Gigabit Line Card For High Density Campus NetworksDesigned for the demanding needs of dense campus networks, the Cisco Catalyst 4500E Service Module delivers a high density 48 port Gigabit Ethernet line card that plugs into the Catalyst 4500E chassis to supercharge access layer connectivity. Available in two scalable bandwidth families47xx and 46xxthese E Series line cards enable network operators to tailor performance to their exact environment. The 47xx family offers up to 48 Gbps per slot, while