Juniper QFX Series Hardware Guide

Figure 30: Securing Ring Lugs to the Terminals on the QFX5110 DC Power Supply
8. Replace the terminal block cover.
9. Close the input circuit breaker.
NOTE: The switch powers on as soon as power is provided to the power
supply. There is no power switch on the device.
10. Verify that the IN and OUT LEDs on the power supply are lit green and are on steadily.
Related
Documentation
QFX5110 Power System on page 45•
• Maintaining QFX5110 Power Supplies on page 110
Connecting the QFX5110 in a Virtual Chassis or Virtual Chassis Fabric
•
Connecting QFX5110 and QFX5100 Members in a QFX5110 Virtual Chassis on page 101
•
Connecting QFX5110 in a QFX5110 Virtual Chassis Fabric on page 102
Connecting QFX5110 and QFX5100 Members in a QFX5110 Virtual Chassis
QFX5110 Virtual Chassis are cabled in a ring topology. Each Virtual Chassis has a master,
a backup, and up to 8 additional switches participating as members of the Virtual Chassis.
Select models of QFX5100 are allowed as line cards in a QFX5110 Virtual Chassis. For
sample cabling diagrams, see Figure31 on page 102 and Figure32 on page 102. Supported
configurations are described in “QFX5110 Hardware Overview” on page 19.
101Copyright © 2019, Juniper Networks, Inc.
Chapter 3: Initial Installation and Configuration

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)