Installation Guide

Appendix C: Setting up the Power Supply

Power to the NJ90 can be supplied one of the following ways:

1.Over the network via an integrated switch that supports Power over Ethernet.

2.Over the network via a multi-port Ethernet power supply.

3.Over the network via a single-port Ethernet power supply.

4.Locally via a 3Com local power supply.

Before you begin the installation, determine which type of power supply the NJ90 will use.

NOTE: For a list of power supplies that support the NJ90, go to www.3com.com

CAUTION: ONLY use the local power supply available from 3Com. Failure to do so may result in damage to the NJ90 Net- work Jack, or may result in a hazardous situation.

1) Using an Integrated Switch with Power over Ethernet

You must have a switch on the network that provides Power over Ethernet, compliant to the IEEE 802.3af standard.

Wiring closet

To

Network

Jack

Figure 5 - Using an Integrated Switch with Power over Ethernet

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3Com 3CNJ90 manual Appendix C Setting up the Power Supply, Using an Integrated Switch with Power over Ethernet