3Com NJ220 User Manual - Page 10

Setting up the Power Supply, To use Power Over Ethernet - switches

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6 CHAPTER 1: INSTALLING THE NJ220 INTELLIJACK The following diagram displays an overview of the recommended installation, where the IntelliJack is being connected to an Ethernet network cable that is terminated with a female RJ-45 connector. Detailed installation instructions are included in the sections that follow. Setting up the Power Supply Power to the IntelliJack can be supplied one of the following ways: • Over the network via an integrated switch that supports Power Over Ethernet. • Over the network via a multi-port Ethernet power supply. • Over the network via a single-port Ethernet power supply. • Locally via a 3Com local power supply. Before you begin the installation, determine which type of power supply the IntelliJack will use. NOTE: For a list of power supplies that support the IntelliJack, go to www.3com.com/. CAUTION: Use only a power supply that is provided or approved by 3Com for use with this IntelliJack. Failure to do so may result in damage to the IntelliJack, or may result in a hazardous situation or personal injury. Using an Integrated Switch with Power Over Ethernet To use Power Over Ethernet, you must have a switch on the network that has Power Over Ethernet integrated into it. You must then determine if it is compatible with IEEE 802.3af. Using a Multi-port Ethernet Power Supply To use a multi-port Ethernet power supply, you must connect the power supply to your network, as shown in the illustration.

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6
C
HAPTER
1: I
NSTALLING
THE
NJ220 I
NTELLI
J
ACK
The following diagram displays an overview of the recommended installation,
where the IntelliJack is being connected to an Ethernet network cable that is
terminated with a female RJ-45 connector. Detailed installation instructions are
included in the sections that follow.
Setting up the Power
Supply
Power to the IntelliJack can be supplied one of the following ways:
•
Over the network via an integrated switch that supports Power Over Ethernet.
•
Over the network via a multi-port Ethernet power supply.
•
Over the network via a single-port Ethernet power supply.
•
Locally via a 3Com local power supply.
Before you begin the installation, determine which type of power supply the
IntelliJack will use.
Using an Integrated Switch with Power Over Ethernet
To use Power Over Ethernet, you must have a switch on the network that has
Power Over Ethernet integrated into it. You must then determine if it is
compatible with IEEE 802.3af.
Using a Multi-port Ethernet Power Supply
To use a multi-port Ethernet power supply, you must connect the power supply to
your network, as shown in the illustration.
NOTE: For a list of power supplies that support the IntelliJack, go to
www.3com.com/.
CAUTION: Use only a power supply that is provided or approved by 3Com for
use with this IntelliJack. Failure to do so may result in damage to the IntelliJack,
or may result in a hazardous situation or personal injury.