Huawei AR550 Series - Page 614

Function
Table 4-39 describes functions of a 240 W AC PoE power module.
Table 4-39 Function description
Function Description
Input undervoltage
protection
The power module can automatically resume power supply
from this protection state.
Input overvoltage
protection
The power module can automatically resume power supply
from this protection state.
Output overvoltage
protection
The power module can automatically resume power supply
from this protection state.
Output current limiting
protection
The power module can automatically resume power supply
from this protection state.
Output short-circuit
protection
The power module can automatically resume power supply
from this protection state.
Overtemperature
protection
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.
Panel
Figure 4-11 shows the panel of a 240 W AC PoE power module.
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AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
4 Power Supplies
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 603