Related
Documentation
Checklist for Monitoring the Cooling System on page 317•
M5 and M10 Router Cooling Systems
The M5 and M10 router houses four fans, which draw room air into the chassis to keep
the internal temperature below a maximum acceptable level. The air flows side-to-side
in the chassis (see Figure 154 on page 320).
CAUTION: Do not remove the fan tray for more than one minute while the
router is operating. The fans are the sole source of cooling, and the router
can overheat when they are absent.
Figure 154: M5 and M10 Router Cooling System and Airflow
Related
Documentation
Checklist for Monitoring the Cooling System on page 317•
M7i Router Cooling System
The M7i router cooling system consists of a fan tray, located along the left side of the
chassis, that provides side-to-side cooling. It connects directly to the router midplane.
The fan tray is a single unit containing four individually fault-tolerant fans. If a single fan
fails, the remaining fans continue to function indefinitely.
The cooling system draws in room air through the air intake vent on the left side of the
chassis. After entering the chassis, the air stream separates into separate flows for the
front and rear components (see Figure 155 on page 321).
Copyright © 2012, Juniper Networks, Inc.320
M Series and T Series Routers Monitoring and Troubleshooting Guide
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