Figure 283: Removing A Fan Module From A 1 U Qfx5100 Device; Figure 284: Removing A Fan Module From A 2 U Qfx5100-96S Device - Juniper QFabric QFX3000-G Hardware Documentation

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Documentation

Installing a Fan Module in a QFX5100 Device

Figure 283: Removing a Fan Module from a 1 U QFX5100 Device

When a fan module is removed, the CLI message Fan/Blower is Absent

is logged in the system log, and the system raises a minor alarm.

Cooling System and Airflow in a QFX5100 Device on page 88

Field-Replaceable Units in a QFX5100 Device on page 75

Management Panel of a QFX5100 Device on page 85

Installing a Fan Module in a QFX5100 Device on page 677

The fan modules in a QFX5100 device are hot-removable and hot-insertable

field-replaceable units (FRUs): you can remove and replace them without powering off

the switch or disrupting switch functions.

Replace a failed fan module with a new fan module within 1 minute

of removal to prevent chassis overheating. Before removing the fan module,

ensure you have a replacement fan module at hand.

The fan module provides FRU-to-port or port-to-FRU airflow

depending on the switch product SKU you purchase. In legacy switches, or

switches with an LCD, this airflow is called front to back and back to front.

Chapter 44: Replacing QFX5100 Components

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