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    Cooling System Overview

    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 1 and Table 2 describe the cooling system components for each routing platform.

    Table 1: M Series Routers Cooling System Components per Routing Platform

    Power Supply Characteristic

    M5/
    M10

    M7i

    M10i

    M20

    M40

    M40e

    M120

    M160

    M320

    Fan tray

    1
    with 4 fans

    1
    with 4 fans

    2
    with 8 fans each

    3 front
    1 rear

     

    1

    2 front, 2 rear, with 8 fans each

    1 lower fan tray

    2 front,
    1 rear

    Power supply integrated fan

    _

    _

    _

    2

    2

    _

    _

    Cooled by air flowing through the chassis

    _

    Impellers

    _

    _

    _

    _

    2 pairs

    1 central impeller

    1 rear upper impeller

    1 rear lower impeller

    _

    1 upper impeller

    2 rear impellers

    _

    Fan assemblies

    _

    _

    _

    _

    3

    _

    1

    _

    _

    Air filter

    _

    _

    _

    _

    1

    1

    1

    1

    1 front,
    1 rear

    Table 2: T Series Routers Cooling System Components per Routing Platform

    Power Supply Characteristic

    T320

    T640

    T1600

    TX Matrix

    TX Matrix Plus

    Fan tray

    2 front
    1 rear

    2 front
    1 rear

    2 front
    1 rear

    2 front
    1 rear

    2 front
    4 rear

    Power supply integrated fan

    _

    _

    _

    _

    _

    Impellers

    _

    _

    _

    _

    _

    Fan assemblies

    _

    _

    _

    _

    _

    Air filter

    1 front
    1 rear

    1 front
    1 rear

    1 front
    1 rear

    1 front
    1 rear

    3 front

    Published: 2012-08-20