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List of Tables

About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi

Chapter 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 3: QFX5110 Hardware-only Product Numbers . . . . . . . . . . . . . . . . . . . . . . . 24

Table 4: FRUs in a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 5: Default Behavior of 100 Gigabit Ethernet Ports . . . . . . . . . . . . . . . . . . . . . 31

Table 6: QFX5110-48 Access Port and Uplink LED Locations . . . . . . . . . . . . . . . . 33

Table 7: QFX5110-32Q Access Port and Uplink LED Locations . . . . . . . . . . . . . . . . 33

Table 8: Network Port LEDs on QSFP28 Ports on a QFX5110 . . . . . . . . . . . . . . . . . 33

Table 9: Management Port LEDs on a QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Table 10: Chassis Status LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . . . 38

Table 11: Fan Modules in the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Table 12: Fan Tray LED in a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Table 13: Airflow Direction in QFX5110 AC Power Supplies . . . . . . . . . . . . . . . . . . . 47

Table 14: AC Power Specifications for QFX5110 Models . . . . . . . . . . . . . . . . . . . . . 47

Table 15: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 16: AC Power Supply LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . 49

Table 17: Airflow Direction in QFX5110 DC Power Supplies . . . . . . . . . . . . . . . . . . . 51

Table 18: DC Power Specifications for QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 19: DC Power Supply LEDs on a QFX5110 Switch . . . . . . . . . . . . . . . . . . . . . 52

Chapter 2 Site Planning, Preparation, and Specifications . . . . . . . . . . . . . . . . . . . . . . . . 55

Table 20: Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Table 21: QFX5110 Environmental Tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Table 22: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Table 23: Physical Specifications for the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 24: Rack Requirements for the QFX5110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Table 25: Deployment Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Table 26: Deployment Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Table 27: QSFP+ and QSFP28 Optical Module Receptacle Pinouts . . . . . . . . . . . 70

Table 28: QSFP+ MPO Fiber-Optic Crossover Cable Pinouts . . . . . . . . . . . . . . . . . 71

Table 29: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . . 74

Table 30: Cable Specifications for Console and Management Connections for

the QFX Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Table 31: RJ-45 Management Port Connector Pinout Information . . . . . . . . . . . . . 76

Table 32: Console Port Connector Pinouts for the QFX Series . . . . . . . . . . . . . . . . 77

Table 33: 10/100/1000BASE-T Ethernet Network Port Connector Pinout

Information for EX4300 Switches Except EX4300-48MP and

EX4300-48MP-S Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

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)

Juniper QFX Series Hardware Guide

Other manuals for Juniper QFX Series