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Appendix C Cleaning the AIR Filter
For better condition of cool system, please remember to clean the Air Filter every three
months. This section provides the procedure for how to clean the Air Filter
Procedure：
Note:
Before cleaning the Air Filter, please power-off the IDL-2402 first.
You must loosen the connection of the Air Filter Panel to the DSLAM and pull out the Air
Filter before cleaning the air filter.
1 Put on the antistatic wrist strap and connect it to a grounding point.
2 Turn the screw on the Air Filter Panel counterclockwise until it loosens the connection of
the panel to the DSLAM. Remove the Air Filter Panel.
3 Pull the air filter out of the DSLAM.
4 Wash and clean the dust that on the Air Filter.
5 Slide the cleaned Air Filter into the Air Filter slot of the DSLAM.
6 Reinstall the Air Filter Panel.
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