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Chapter 1 Getting to Know Your Switch
XGS2220 Series User’s Guide
36
1.2 Example Applications
This section shows a few examples of using the Switch in various network environments. Note that the
Switch in the figure is just an example Switch and not your actual Switch.
1.2.1 PoE Example Application
The following example figure shows a Switch supplying PoE (Power over Ethernet) to Powered Devices
(PDs) such as an IP camera, a wireless router, an IP telephone and a general outdoor router that are not
within reach of a power outlet.
Figure 5 PoE Example Application
1.2.2 Backbone Example Application
The Switch is an ideal solution for small networks where rapid growth can be expected in the near future.
The Switch can be used standalone for a group of heavy traffic users. You can connect computers and
servers directly to the Switch’s port or connect other switches to the Switch.
In this example, all computers can share high-speed applications on the server. To expand the network,
simply add more networking devices such as switches, routers, computers, print servers, and so on.
Port Voltage Range 44 – 57 V 50 – 57 V 50 – 57 V
Cables
Twisted Pairs Used 2-pair 2-pair 4-pair
Supported Cables Cat3 or better Cat5 or better Cat5 or better
Table 5 PoE Standards (continued)
PoE FEATURES PoE PoE+ PoE++
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