Lantech 2204F Series, User Manual

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6.26. Power over Ethernet
This segment shows the Power over Ethernet function.
6.26.1 System Settings

Maximum Power Available: Define the Max. power consumption which you want
to be load by the PoE switch.

Actual Power Consumption: This column shows the real-time total power
consumption.

Port Knockoff Disabled: Power Management state where one or more PDs have
been powered down so that a higher priority PD may be powered up and yet not
exceed the maximum total power available for PDs.

AC Disconnect: Tick this checkbox to monitor the AC impedance on the port
terminals and removes power when the impedance rises above a certain value, for
a certain period (for details, see the IEEE 802.3af specification).

Capacitive Detection: If the port and capacitive detection are enabled, the
capacitances state reads in the voltage result from the constant current. This is then
subtracted from the pre-capacitance voltage to get a charge rate. If this charge rate
is within the window of the PD signatures, the device is considered to be discovered.

And then, click
Apply
to carry into effect.