Juniper QFX Series Hardware Guide

Figure 18: DC Power Supply for the QFX5110
3—1— Security latchTerminal block
4—2— HandleESD grounding point
NOTE: The DC power supply in the switch has four terminals labeled V-, V-,
V+, and V+ (seeFigure19 on page 50) for connecting DC power sourcecables
labeled positive (+) and negative (–).
Figure 19: DC Power Supply Faceplate on a QFX5110
5
5—1— ESD grounding pointShunt negative input terminals (-48V)
6—2— Fault LEDShunt positive input terminals (+RTN)
7—3— Output LEDTerminal block
8—4— Input LEDSecurity latch
Copyright © 2019, Juniper Networks, Inc.50
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)