Fig.6 Using A Multi-Port Ethernet Power Supply - 3Com NJ90 Network Jack User Manual

2) 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 figure 6 on page 9.
The multi-port Ethernet power supply from 3Com connects to an
existing Ethernet or Fast Ethernet infrastructure with standard Cate-
gory 5 or Category 5e UTP cabling, and powers up to 24 NJ90 Net-
work Jacks.
Figure 6 - Using a Multi-port Ethernet Power Supply
3) Using a Single-port Ethernet Power Supply
To use a single-port Ethernet power supply, connect the power
supply to the network hub or switch and to the NJ90, as shown in
figure 7.
Appendix C: Setting up the Power Supply
Network
switch
To network
hub/switch
To
Network
Jack
Wiring closet
Multi-port Ethernet
power supply
9