Cooling System And Airflow; Cooling System And Airflow In An Ocx1100 Switches; Fan Modules; Copyright © 2017, Juniper Networks, Inc - Juniper OCX1100 Hardware Manual

CHAPTER 3

Cooling System and Airflow

The cooling system in an OCX1100-48SX switch consists of four fan modules and a single

fan in each power supply. OCX1100 switches provide back-to-front airflow (air enters

through the vents on the rear panel of the switch chassis), indicated by the label

, or front-to-back (air exhausts through the vents on the rear panel of the switch

(AFI)

chassis), indicated by the label

power supplies installed in the switch.

This topic describes:

The OCX1100 switches fan modules are hot-insertable and hot-removable

field-replaceable units (FRUs).

All OCX1100-48SX switches are shipped with four fan modules preinstalled in the rear

panel of the switch. Each switch can accommodate four fan modules in the fan module

and each slot has a fan icon next to it.

Figure 9 on page 18

shows the fan module used in an OCX1100 switch:

-depending on the fan modules and

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