Juniper QFX Series User Manual

Figure 14: Fan Module
g005121
Serial number ID label
A QFX3100 Director device can operate for a short time with a fan module removed;
however, the chassis might shut down when the high temperature threshold is exceeded
if a fan module is not available to cool the QFX3100 Director device properly.
Fan modules are hot-swappable and field-replaceable units (FRUs).
Related
Documentation
Cooling System and Airflow in a QFX3100 Director Device on page 27•
• Installing a Fan Module in a QFX3100 Director Device on page 314
AC Power Supply in a QFX3100 Director Device
The AC power supply in a QFX3100 Director Device is a hot-insertableand hot-removable
field-replaceable unit (FRU).
You can install up to two AC power supplies in a QFX3100 Director device. Power supplies
are installed in the power supply slots on the back of the chassis. All QFX3100 Director
devices are shipped with two AC power supplies.
Each AC power supply weighs approximately 2.5 lb (1.1 kg). See Figure 15 on page 31.
Copyright © 2012, Juniper Networks, Inc.30
QFX3000 Hardware Documentation

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)