All Cisco Catalyst 4500 Power Over Ethernet 10/100base-tx And 10/100/1000base-tx Ethernet Switching Line Cards Support 48 Ports (rj-45 Or Rj-21 Interfaces). With Ieee Powered Device Discovery, These Line Cards Support Autosensing And Autonegotiation To Determine The Speed And Duplex Mode Of The Attached Device. Figure 1 Shows The Cisco Catalyst 4500 Poe 10/100base-tx And 10/100/1000base-tx Switching Line Cards
Features
- 48 Ports Of 10/100base-tx Or 10/100/1000base-tx Per Line Card (rj-45)—each Cisco Catalyst 4506 And 4507r Can Support Up To 240 Poe Ports. The 4510r With Supervisor Engine V Can Support Up To 336 Poe Ports, And Up To 384 Poe Ports With Future Supervisor Engines.
- Poe—up To 15.4w Of Power At -48vdc Can Be Provided Simultaneously Over Every Port With Standard Category 5 Utp Cable Up To 100 Meters.
- Power Management—using The Static Port Command, The Cisco Catalyst 4500 Series Allows Users To Override Both Cisco Discovery Protocol And Ieee Signaling To Reserve Power On A Per-port Basis, Even When A Powered Device Is Not Connected. This Setup Allows Network Administrators To Ensure That Wireless Base Stations, Executive Offices, And Other Areas With Business-critical Ports Have Priority For Available Power.