TP-Link TL-POE200 - Chapter 2 Identifying External Components; PoE Injector

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2.2 PoE Splitter
LAN IN: Connect to a
network device (such as
a Switch or Router) with
CAT5 UTP cable.
DC 48V: Connect to the
provided power adapter
which can supply steady
power of 48V DC.
PWR: Power LED, a steady green
light indicates that the power
adapter is working properly.
Power-mode switch:
You can choose the DC
output of 12V, 9V or 5V
by turning the switch to
the left or right.
POWER+DATA IN:
Connect to the PSE
or PoE Injector with
a CAT5 UTP cable.