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Figure 48 Replacing the chassis air filter
A Air filter to be cleaned
For a 12518E
A 12518E has only one chassis air filter, which is horizontally inserted.
To clean the chassis air filter:
Use a Phillips screwdriver to loosen the screws at both sides of the air filter, and slowly pull the air
filter out along the slide rails.
Use clean water to wash the air filter, and air-dry the air filter.
Install the air filter to the chassis, and fasten the screws at both sides of the air filter.
Figure 49 Replacing the air filter from the 12518E

Cleaning a power frame air filter

The power frame air filter of a 12500E switch is right behind the front panel of the power frame to prevent
dust from entering the power frame.
To clean the power frame air filter:
Loosen the fastening screws on the air filter and remove the air filter from the power frame.
B Air filter cleaned


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