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Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
78-6511-05
Chapter 1 Overview
Network Configuration Examples
Each 10/100 inline-power port on the Catalyst 3524-PWR XL switches provides
–48 VDC power to the Cisco IP Phone. The IP phone can receive redundant power
when it also is connected to an AC power source. IP phones not connected to the
Catalyst 3524-PWR XL switches receive power from an AC power source.
Figure 1-3 Collapsed Backbone and Switch Cluster Configuration
IP IP IP
IP
Catalyst 4908G-L3 switch
200 Mbps
Fast EtherChannel
(400 Mbps full duplex
Fast EtherChannel)
Gigabit
servers
Cisco
CallManager
54570
Cisco 2600 router
1 Gbps
(2 Gbps full duplex)
Cisco
IP Phones
Cisco IP Phones
Workstations running
Cisco SoftPhone software
Catalyst
2900 XL,
1900, and
2820 cluster
Catalyst
3524-PWR XL
GigaStack cluster
Catalyst
2900 XL and 3500 XL
GigaStack cluster
AC
power
source
IP
IP
IP
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