Fan Tray - Juniper EX8208 Hardware Manual

54
The cooling system in an EX8208 switch consists of a single fan tray.

Fan Tray

The fan tray is a hot-insertable and hot-removable field-replaceable unit (FRU). The fan tray contains 12
fans.
The fan tray installs vertically on the left side on the front of the chassis and provides side-to-side chassis
cooling. A handle on the front faceplate facilitates handling of the fan tray. See Figure 8 on page 54.
Figure 8: Fan Tray for an EX8208 Switch
The fan tray can be removed and replaced from the front of the chassis. The switch continues to operate
for a limited time (2 minutes) during the replacement of the fan tray without thermal shutdown.
CAUTION: You must replace the fan tray within 2 minutes of removing it.