Juniper BT8A78CH1, Обзор оборудования и руководство по установке

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a. Gently push both sides of the door until the cooling module door is flush with the
chassis.
b. Pull on the side latches until they lock into place.
You have successfully completed this procedure.
Replacing a BTI7814 Booster Fan
Use this procedure to replace a BTI7814 Booster Fan (FAN9) on the BTI7814.
FAN9 modules are hot-swappable and can be replaced while the system is powered
and operational.
WARNING: Ensure that you are familiar with the safety and electrical warnings
described in “BTI7814 Field-Replaceable Units (FRUs)” on page 179 .
Tools Required
•
Number 2 Phillips screwdriver.
1.
At the rear of the chassis, use the screwdriver to unfasten the four screws that secure
the ventilation cover, and then pull the cover away from the chassis.
2.
Remove the faulty FAN9 module.
a. Loosen the two thumbscrews that secure the module to the chassis, and grasp
the module by its handle.
b. Wait for the module's fans to stop.
c. Carefully slide the module out of the chassis, and place it either in an antistatic
bag or on a grounded antistatic mat.
3.
Install the replacement FAN9 module.
a. Properly orient the module for installation, and carefully slide it into the chassis
until it is fully seated.
b. Secure the module by tightening the two thumbscrews.
CAUTION: If you are replacing both FAN9 modules in a chassis that is
powered and operational, install only one replacement module at a
time, ensuring that the first replacement module is fully secured before
installing the second replacement 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.
189 Copyright © 2019, Juniper Networks, Inc.
Chapter 7: BTI7800 Series Field Replaceable Units (FRUs)