controller while the router is running without turning off power to the router or disrupting routing
functions. See
Figure 72: JNP10004-FTC2 Fan Tray Controller
CAUTION: Remove the fan tray controller only if you have a replacement controller
available.
To access a fan tray controller, you must first remove the fan tray. With the fan tray removed, you can
install the fan tray controller horizontally above the Switch Fabric boards (SFBs) at the top of the chassis.
Before you remove a fan tray controller:
• Review how to prevent ESD damage. See
"Prevention of Electrostatic Discharge Damage" on page
• Ensure that you have the following parts and tools available to remove a fan tray controller from an
MX10004:
• Electrostatic discharge (ESD) grounding strap
• An electrostatic bag or an antistatic mat
• Replacement fan tray controller
• A Phillips (+) screwdriver (optional), number 1, for the captive screws
1. Remove the fan tray. See
"Remove an MX10004 Fan Tray" on page 166
.
2. Loosen the two captive screws on each side of the fan tray controller by hand or with a Phillips
screwdriver.
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