the following supervisor engines are available for the catalyst 4500 series switches:
1 supervisor engine ii (ws-x4013) (figure 1-5)
2 supervisor engine ii-plus (ws-x4013+) (figure 1-6)
3 supervisor engine ii-plus ts (ws-x4013+ts) (figure 1-7)
4 supervisor engine ii-plus 10ge (ws-x4013+10ge) (figure 1-8)
5 supervisor engine iii (ws-x4014) (figure 1-9)
6 supervisor engine iv (ws-x4515) (figure 1-10)
7 supervisor engine v (ws-x4516) (figure 1-11)
8 supervisor engine v-10ge (ws-x4516-10ge) (figure 1-12)
the catalyst 4500 series supervisor engines have the following features:

1. pagp = port aggregation protocol
2. span = switched port analyzer
the supervisor engine iv and supervisor engine v support the catalyst 4500 series netflow services card (ws-f4531). the supervisor engine v-10ge supports netflow services without a netflow services card.
to install the supervisor engine, refer to the procedure in the catalyst 4500 series module installation guide. the various supervisor engine models are shown in figure 1-5 to figure 1-12.

for information about the connectors, leds, and switches located on the front panel of the supervisor engine, see these sections:
1 leds.
2 gigabit ethernet uplink ports.
3 10/100base-t port.
4 console port.
5 reset button.
6 compactflash port.