Juniper EX9214

Ensure that you have the following parts and tools available:
• ESD grounding strap
• Phillips (+) screwdrivers, number 1 and 2
CAUTION: The fan tray can be removed and replaced while the switch is operang.
However, the fan tray must be replaced within 2 minutes of removing the fan tray to
prevent the chassis from overheang.
The fan tray in an EX9200 switch is a hot-insertable and hot-removable eld-replaceable unit (FRU): You
can remove and replace it while the switch is running without turning o power to the switch or
disrupng switching funcons.
To install a fan tray in an EX9200 switch:
1. Aach the ESD grounding strap to your bare wrist, and connect the strap to the ESD point on the
chassis.
2. Grasp the fan tray handle, and insert it straight into the chassis. Note the correct orientaon by the
This side up label on the top surface of the fan tray.
3. Tighten the capve screws using a screwdriver on the fan tray faceplate to secure it in the chassis.
Figure 65 on page 207 shows installing a fan try in an EX9208 switch. The procedure and orientaon of
the fan tray are the same for EX9204. The procedure is the same for EX9214 switch; however, the
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