Cisco Catalyst 4500E Supervisor Engine 7L-E WS-X45-SUP7L-EWS X45 SUP7L E, the Cisco Catalyst 4500E supervisor engine 7L E, is the leading borderless networks access and aggregation supervisor engine for the Cisco Catalyst 4500E series. Best In Class resiliency feature improves the network reliability and allows supervisor engine redundancy to prevent network outage when integrates with Cisco catalyst 4507R E, 4507R+E, 4510R+E or 4510R E chassis. Productstaat van de Cisco Catalyst 4500E Supervisor Engine 7L E