Figure 15: Qfx3100 Director Device Rear Panel View - Juniper QFabric QFX3000-G Hardware Documentation

Related
Documentation
Cooling System and Airflow in a QFX3100 Director Device
Copyright © 2018, Juniper Networks, Inc.
Power switch
Power supplies
Figure 15 on page 31 shows the rear panel of a QFX3100 Director device with dual AC
power supplies.

Figure 15: QFX3100 Director Device Rear Panel View

Fan 1 Fan 2
Front Panel of a QFX3100 Director Device on page 30
Cooling System and Airflow in a QFX3100 Director Device on page 31
AC Power Supply in a QFX3100 Director Device on page 34
Installing and Removing QFX3100 Director Device Hardware Components on page 587
The cooling system in a QFX3100 Director device consists of three fan modules as well
as a single fan in each AC power supply. The fan modules are located in the fan module
slots on the rear of the QFX3100 Director device.
The QFX3100 Director device provides front to back airflow. See
Chapter 2: QFX3100 Overview
Fan 3 Power
switch
Serial number
ID label
Figure 16 on page
AC power
supply 2
AC power
supply 1
32.
31