Table 3-14
Functions of a 350 W DC power module
Function
Description
Input protection
Input undervoltage
protection
In this protection state, the power module stops
supplying power. When the input voltage restores
to the normal range, the power module
automatically resumes power supply.
Input overcurrent
protection
In this protection state, the power module stops
supplying power and cannot automatically
resume power supply when the input current
restores to the normal range.
Output
protection
Output overvoltage
protection
In this protection state, the power module supplies
power intermittently. When the output voltage
restores to the normal range, the power module
automatically resumes power supply.
Output overcurrent
protection
In this protection state, the power module supplies
power intermittently. When the output current is
limited within a range, the power module
automatically resumes power supply.
Output short-circuit
protection
In this protection state, the power module supplies
power intermittently. When the short circuit is
removed, the power module automatically
resumes power supply.
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.
Heat dissipation
l
PDC-350WA-B: back-to-front airflow
l
PDC-350WA-F: front-to-back airflow
Hot swap
Supported
NOTE
When a power module enters overtemperature protection state, take measures to lower the temperature of
the power module. The power module can automatically resume power supply when the temperature falls
within the normal range.
Panel
and
show the panel of a 350 W DC power module.
CloudEngine 7800&6800&5800 Series Switches
Hardware Description
3 Power Module
Issue 16 (2015-08-26)
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