Understanding The Cooling System - Juniper M Series Monitoring And Troubleshooting Manual

M Series and T Series Routers Monitoring and Troubleshooting Guide
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Understanding the Cooling System

Cooling System Overview
318
Table 88: Checklist for Monitoring the Cooling System (continued)
Monitor Cooling System Tasks
"Verifying an Impeller Failure" on page 349
"Replacing a Cooling System Component"
on page 350
Cooling System Overview on page 318
Cooling System Overview on page 318
M5 and M10 Router Cooling Systems on page 320
M7i Router Cooling System on page 320
M10i Router Cooling System on page 321
M20 Router Cooling System on page 321
M40 Router Cooling System on page 322
M40e and M160 Router Cooling Systems on page 324
M120 Router Cooling System on page 327
M320 Router Cooling System on page 328
T320 and T640 Router Cooling Systems on page 330
T1600 Router Cooling System on page 333
TX Matrix Router Cooling System on page 335
TX Matrix Plus Router Cooling System on page 337
Inspect the router cooling system to ensure that air is flowing through the router to cool
the components installed in the router chassis. If the router temperature exceeds the
critical level, the router automatically shuts down.
The cooling system includes the fans and impellers that provide cooling in the router
chassis to keep the components operating at an acceptable temperature.
Table 89 on page 319 and Table 90 on page 319
for each routing platform.
Command or Action
Feel the impeller air exhaust. If no airflow,
replace without powering down the router.
Follow the procedure in the appropriate router
hardware guide.
describe the cooling system components
Copyright © 2012, Juniper Networks, Inc.