Asus EI-102 - Manual (Page 3)

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Overview
The ASUS EI-102 Power over Ethernet (PoE) Injector provides data and
power transmission on a single Ethernet cable. It works together with other
PoE devices such as Access Point (AP), PoE splitter or other equipments
that support IEEE 802.3af standard. The PoE injector detects connected,
IEEE 802.3af compatible devices and provides power to these device; if the
connected device does not support IEEE 802.3af standard, only data flow
could be transmitted. The PoE injector is usually installed near the Ethernet
switch or hub. The following figure shows a PoE network architechture.
Power Cord
Ethernet
C
able
Power
Cable
Figure 1. Power over Ethernet Injection Application Architechture