Figure 68: Fan Tray For Qfx3600 And Qfx3600-I Devices - Juniper QFabric QFX3000-G Hardware Documentation

Related
Documentation
Cooling System and Airflow for QFX3600 and QFX3600-I Devices
Copyright © 2018, Juniper Networks, Inc.
Field-Replaceable Units for QFX3600 and QFX3600-I Devices on page 102
Front Panel of a QFX3600 Device on page 104
Cooling System and Airflow for QFX3600 and QFX3600-I Devices on page 107
Grounding Cable and Lug Specifications for QFX3600 and QFX3600-I Devices
AC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device on page 110
DC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device on page 112
Prevention of Electrostatic Discharge Damage on page 360
Installing and Removing QFX3600 or QFX3600-I Device Hardware Components on
page 657
The cooling system in QFX3600 and QFX3600-I devices consist of three field-replaceable
unit (FRU) fan trays with two fan modules each (see
the power supplies have internal fans to cool themselves.

Figure 68: Fan Tray for QFX3600 and QFX3600-I Devices

1 2
The fan tray provides FRU-to-port or port-to-FRU airflow depending on the SKU you
purchase. Table 18 on page 108
their direction of airflow.
NOTE: In QFX Series device model names, AFI, or airflow in, describes
FRU--to-port airflow. AFO, or airflow out, describes port-to-FRU airflow.
NOTE: The rear panel of the device where the power supplies and fan trays
are located is the FRU side of the device.
Figure 68 on page
lists the different QFX3600 and QFX3600-I SKUs and
Chapter 5: QFX3600 Overview
107). In addition,
107