Huawei AR500 Series Hardware Description page 614

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Function
Table 4-39
Table 4-39 Function description
Function
Input undervoltage
protection
Input overvoltage
protection
Output overvoltage
protection
Output current limiting
protection
Output short-circuit
protection
Overtemperature
protection
Panel
Figure 4-11
Issue 10 (2019-03-06)
describes functions of a 240 W AC PoE power module.
Description
The power module can automatically resume power supply
from this protection state.
The power module can automatically resume power supply
from this protection state.
The power module can automatically resume power supply
from this protection state.
The power module can automatically resume power supply
from this protection state.
The power module can automatically resume power supply
from this protection state.
When the temperature of the power module exceeds a specified
threshold, the power module stops supplying power. When the
temperature falls into the normal range, the power module
automatically resumes power supply.
shows the panel of a 240 W AC PoE power module.
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