Cisco catalyst WS-X4648-RJ45V+E line-card is designed with 48 POE ports which functions up to 30W of inline power per port on 24 ports simultaneously or 15W of inline power per port on 48 ports simultaneously. WS-X4648-RJ45V+E delivers high-performance and secures user experience with superior backward and forward compatibility to process large file transfers and network backups for campus and branch applications. This WS-X4648-RJ45V+E is similar with the WS-X4648-RJ45V+E=. The WS-X4648-RJ45V+E= is a spare one.