Juniper PTX10008 - Page 264

CAUTION: Do not remove the fan tray controller unless you have a replacement controller
available.
In order to access a fan tray controller, you must first remove the fan tray. With the fan tray removed, the
fan tray controller is installed horizontally above the switch interface boards (SIBs) at the top of the chassis.
Before you remove a fan tray controller:
•
Ensure you understand how to prevent ESD damage. See “Prevention of Electrostatic Discharge Damage”
on page 427.
Ensure that you have the following parts and tools available to remove a fan tray controller from a
PTX10000:
•
Electrostatic discharge (ESD) grounding strap
•
An electrostatic bag or an antistatic mat
•
Replacement fan tray controller
•
A Phillips (+) screwdriver, number 1, for the captive screws
All models of fan controller are removed using the same procedure.
1. Remove the fan tray. See “Removing a PTX10000 Fan Tray” on page 258.
2. Loosen the two captive screws on each side of the fan tray controller.
3. Grasp the fan tray controller and pull it straight out of the slot. See Figure 130 on page 268 for the
PTX10008 and Figure 131 on page 269 for the PTX10016.
Figure 130: Removing a PTX10008 Fan Tray Controller
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