Juniper BT8A78CH1, Обзор оборудования и руководство по установке

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CAUTION: If you are installing the FAN9 modules in a chassis that is
powered and operational, install only one module at a time, ensuring that
the first module is fully secured before installing the second module.
4.
Replace the ventilation cover.
a. Place the ventilation cover on the chassis, and align it with the pilot holes of the
four screws that will secure it.
b. Loosely fasten the screws, and re-adjust the positioning of the cover if required.
c. Fully fasten the screws.
You have successfully completed this procedure.
Replacing a BTI7814 Air Filter
Use this procedure to replace an air filter on the BTI7814 chassis.
The air filter is hot-swappable and can be replaced while the system is powered on and
operational.
The filter should be replaced every six months in a clean environment. If the dust level in
your plant is high, replace the filter every three months. Usually the air filters in chassis
installed lower in a rack require replacement more often than those installed higher in a
rack.
WARNING: Ensure that you are familiar with the safety and electrical warnings
described in “BTI7814 Field-Replaceable Units (FRUs)” on page 179 .
Tools Required
191 Copyright © 2019, Juniper Networks, Inc.
Chapter 7: BTI7800 Series Field Replaceable Units (FRUs)