Figure 23: Airflow Through an MX10008 Router
The fan tray continues to operate indefinitely and provide sufficient cooling even when a single fan fails,
provided the room temperature is within the operating range. You can check the status of fans by viewing
the LEDs on each fan tray. See “MX10008 Fan Tray LEDs and Fan Tray Controller LEDs” on page 52.
You cannot replace a single fan. If one or more fans fail, you must replace the entire fan tray.
In addition to the fan trays, there is an internal fan in each power supply.
MX10008 Fan Tray LEDs and Fan Tray Controller LEDs
IN THIS SECTION
Fan Tray LEDs | 52
Fan Tray Controller LEDs | 57
Each fan tray has a set of LEDs, and each corresponding fan tray controller also has a set of LEDs. This
topic covers:
Fan Tray LEDs
Each of the two fan trays have a set of LEDs that represent the status of the fans in the fan tray, the fan
tray controller, and the three Switch Fabric Boards (SFBs). The fan tray LEDs are located in the top left
52
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