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Priority: this function will help to protect the
system when the system power was over
loaded, the system will disable PoE function of
the lower priority PoE port to maintain the
power budget to the PoE port which is in high
priority.
The total power resource of the system is 30
watt sharing to the 4 PoE ports (maximum
power for per port is 15.4 watt), when the PoE
PD shared the power resource for over 30 watt,
the system will automatically arrange the
priority of these ports, the low port number will
have the higher priority than the high port
number, Port 1 > Port 2 > Port 3 > Port 4.
For example: In this PoE Switch, Port 2 is using
power with 7 watt, Port 3 is using power with
15.4 watt, these two ports are totally using 22.4
watt power, when there is an additional PoE PD
inserted to Port 1 with 15.4 watt, that means the
system power resource was over current, then
the priority function will activate, the priority will
set to the lowest port number then to highest
port number, so Port 1 will have the 15.4 watt
power, Port 2 will have 7 watt power, and the
system will cut off the power transmitting to the
Port 3 due to over current.
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