Juniper QFX Series Hardware Guide

Chapter 6 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Contacting Customer Support to Obtain Return Material Authorization . . . . . . . 131
Returning the QFX5110 Chassis or Components . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Locating the Serial Number on a QFX5110 Device or Component . . . . . . . . . 132
Listing the Chassis and Component Details Using the CLI . . . . . . . . . . . 132
Locating the Chassis Serial Number ID Label on a QFX5110 . . . . . . . . . 133
Locating the Serial Number ID Labels on FRU Components . . . . . . . . . 133
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . 134
Guidelines for Packing Hardware Components for Shipment . . . . . . . . . . . . 135
Chapter 7 Safety and Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Fire Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Fire Suppression Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Restricted Access Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . 144
Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Laser and LED Safety Guidelines and Warnings for the QFX Series . . . . . . . . . . . 149
Class 1M Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Class 1M Laser Radiation Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Unterminated Fiber-Optic Cable Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 152
Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 157
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
AC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . 163
DC Power Wiring Sequence Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . 167
Copyright © 2019, Juniper Networks, Inc.vi
QFX5110 Switch Hardware Guide

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)