3Com 3CNJPSE24 - Manual (Page 19)

Installing the Ethernet Power Supply
Ethernet Power Supply User s Guide 2-3
Connecting Cables to the Ethernet Power Supply
All ports on the front of the Ethernet Power Supply are
configured as data "route-through" ports for all data wires
(pins 1, 2, 3, and 6).
Be sure to use a standard Category 5 straight-through cable
including all 8 wires (4 pairs).
Data In Ports
Using a standard Category 5 straight-through cable, connect
the cable leading from the Ethernet switch or hub to the "Data"
port.
Data & Power Out Ports
Using a standard Category 5 straight-through cable, connect
the cable leading to the end device to the corresponding "Data
& Power" port.
NOTE: Be sure to connect correspondingly numbered "Data"
and "Data & Power" ports.