Juniper QFX Series User Manual

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Installing a Fan Module in a QFX3100 Director Device on page 314
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Removing a Fan Module from a QFX3100 Director Device on page 312
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Installing an HDD Module in a QFX3100 Director Device on page 318
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Removing an HDD Module from a QFX3100 Director Device on page 317
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Installing a Network Module in a QFX3100 Director Device on page 316
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Removing a Network Module from a QFX3100 Director Device on page 315
Related
Documentation
Cooling System and Airflow in a QFX3100 Director Device on page 27•
• AC Power Supply in a QFX3100 Director Device on page 30
• Network Modules in a QFX3100 Director Device on page 28
• HDD Modules in a QFX3100 Director Device on page 29
Removing a Power Supply from a QFX3100 Director Device
The AC power supply in a QFX3100 Director device is a hot-removable and hot-insertable
field-replaceable unit (FRU) located on the far right side of the rear panel. Two AC power
supplies can be installed in a QFX3100 Director device. You can remove and replace a
single AC power supply without powering off the QFX3100 Director device or disrupting
QFX3100 Director device functions.
Before you remove an AC power supply from the QFX3100 Director device:
•
Ensure that you understand how to prevent electrostatic discharge (ESD) damage.
See “Prevention of Electrostatic Discharge Damage” on page 192.
Ensure that you have the following parts and tools available to remove an AC power
supply from a QFX3100 Director device:
•
ESD grounding strap
•
Antistatic bag or antistatic mat
•
Replacement power supply for the power supply slot
To remove an AC power supply from a QFX3100 Director device (see Figure 88 on
page 311):
1. Attach the ESD grounding strap to your bare wrist, and connect the strap to a site ESD
point.
2. Remove the power cordfrom the AC appliance inlet on the AC power supply faceplate.
3. Push the power supply faceplate ejector lever to the right while pulling the power
supply away from the QFX3100 Director device to release the latch. Stop pulling the
power supply once the lever is released.
Copyright © 2012, Juniper Networks, Inc.310
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)