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BTI7800 Series Hardware Overview and Installation Guide
Replacing the BTI7801 PEM
Replacing the BTI7801 FAN5
200
If you need to set a module down, place it back into its antistatic packaging or on a
properly-grounded antistatic mat.
Handle the module by its edges and/or its faceplate and avoid touching any pins, leads,
or solder connections on the circuit board.
Replacing the BTI7801 PEM on page 200
Replacing the BTI7801 FAN5 on page 200
Replacing the BTI7801 ESL on page 201
The BTI7801 uses the same PEM as the BTI7802. See
page 193
for replacement instructions.
Use this procedure to replace a 1-Slot Chassis Front Cooling Module on the BTI7801
chassis.
The cooling module is hot-swappable, and can be replaced while the system is powered
on and operational.
NOTE:
Ensure that you are familiar with the safety and electrical warnings
described in
"BTI7801 Field-Replaceable Units (FRUs)" on page
Do not pull out the cooling module until the fan blades have stopped rotating.
NOTE:
To ensure there is no risk of the system overheating, you should
complete this task within five minutes in a 30
Tools Required
"Replacing the BTI7802 PEM" on
199.
o
o
C (86
F) working ambient.
Copyright © 2019, Juniper Networks, Inc.
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