Juniper EX4300 Hardware Guide

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Table 84: QSFP+ Network Port Connector Pinout Information (continued)

SignalPin

RX1p17

RX1n18

GND19

GND20

RX2n21

RX2p22

GND23

RX4n24

RX4p25

GND26

ModPrsL27

IntL28

VccTx29

Vcc130

Reserved31

GND32

TX3p33

TX3n34

GND35

TX1p36

TX1n37

GND38

Related

Documentation

Installing a Transceiver on page 247•

Copyright © 2017, Juniper Networks, Inc.156

EX4300 Switch Hardware Guide

Table of Contents

Default Chapter3
- Table of Contents3
- About the Documentation17
- About the Documentation19
  - Requesting Technical Support20
    - Self-Help Online Tools and Resources20
    - Opening a Case with JTAC20
- Chassis Components and Descriptions23
- Cooling System and Airflow23
- Overview23
- Power Supplies23
- System Overview23
Chapter 1 System Overview25
- System Overview25
  - EX4300 Switches Hardware Overview25
- EX4300 Switches First View26
  - 24-Port EX4300 Switches26
- Software26
- Figure 1: Front Panel of a 24-Port EX4300 Switch27
- Figure 2: Rear Panel of a 24-Port EX4300 Switch27
- System Overview27
Chapter 2 Chassis Components and Descriptions47
- Chassis Physical Specifications for EX4300 Switches47
  - Switches47
  - Table 11: Physical Specifications of the EX4300 Switch Chassis47
- Field-Replaceable Units in EX4300 Switches48
- LCD Panel in EX4300 Switches49
- Chassis Components and Descriptions49
Chapter 3 Cooling System and Airflow65
- Cooling System and Airflow in an EX4300 Switch65
Chapter 4 Power Supplies71
- Characteristics of an AC Power Supply72
- Figure 31: AC Power Supply for an EX4300 Switch72
- Table 27: Details of the AC Power Supplies in EX4300 Switches72
- AC Power Supply Airflow73
- Table 28: Airflow Direction in AC Power Supply Models for EX4300 Switches73
- N+0 Redundancy Configuration of AC Power Supplies74
- Table 29: N+0 AC Power Calculations for 24-Port EX4300 Switches74
- N+N Redundancy Configuration of AC Power Supplies75
- Table 30: N+0 AC Power Calculations for 32-Port EX4300 Switches75
- Table 31: N+0 AC Power Calculations for 48-Port EX4300 Switches75
- Table 32: N+N AC Power Calculations for 24-Port EX4300 Switches76
- Table 33: N+N AC Power Calculations for 32-Port EX4300 Switches77
- Table 34: N+N AC Power Calculations for 48-Port EX4300 Switches77
- AC Power Supply Leds in EX4300 Switches78
- Figure 32: AC Power Supply Leds in an EX4300 Switch78
- DC Power Supply in EX4300 Switches79
  - Table 35: AC Power Supply Leds in EX4300 Switches79
  - Characteristics of a DC Power Supply80
  - Figure 33: DC Power Supply for an EX4300 Switch80
  - Table 36: Details of the DC Power Supplies in EX4300 Switches80
  - DC Power Supply Airflow81
  - Table 37: Airflow Direction in DC Power Supply Models for EX4300 Switches81
  - N+0 Redundancy Configuration of DC Power Supplies82
  - N+N Redundancy Configuration of DC Power Supplies82
  - Table 38: N+0 DC Power Calculations for EX4300 Switch Configurations82
  - Table 39: N+N DC Power Calculations for EX4300 Switch Configurations83
- DC Power Supply Leds in EX4300 Switches84
- Figure 34: DC Power Supply Faceplate on an EX4300 Switch84
- Table 40: DC Power Supply Leds on an EX4300 Switch84
- Power Supplies71
  - AC Power Supply in EX4300 Switches71
Chapter 5 Viewing System Information87
- Dashboard for EX Series Switches87
- Viewing System Information89
- Preparation Overview107
- Site Planning, Preparation, and Specifications107
Chapter 6 Preparation Overview109
- Environmental Requirements and Specifications for EX Series Switches110
- Table 58: EX Series Switch Environmental Tolerances111
- General Site Guidelines114
- Site Electrical Wiring Guidelines115
- Rack Requirements115
- Table 59: Site Electrical Wiring Guidelines115
- Cabinet Requirements116
- Preparation Overview109
  - Site Preparation Checklist for EX4300 Switches109
  - Table 57: Site Preparation Checklist109
Chapter 7 Power Specifications and Requirements121
- AC Power Supply Specifications for EX4300 Switches121
- Table 62: 350 W AC Power Supply Specifications for an EX4300 Switch121
- AC Power Cord Specifications for an EX4300 Switch122
- Table 63: 715 W AC Power Supply Specifications for an EX4300 Switch122
- Table 64: 1100 W AC Power Supply Specifications for an EX4300 Switch122
- Power Specifications and Requirements123
Chapter 8 Transceiver and Cable Specifications131
- Pluggable Transceivers Supported on EX4300 Switches131
- Table 69: Optical Interface Support and Copper Interface Support for Gigabit133
- Table 70: Optical Interface Support for Fast Ethernet SFP Transceivers142
- Table 71: Optical Interface Support for SFP+ Transceivers143
- Table 72: Optical Interface Support for QSFP+ Transceivers151
- Pluggable Transceivers Supported on EX Series Switches155
- SFP+ Direct Attach Copper Cables for EX Series Switches156
- QSFP+ Direct Attach Copper Cables for EX Series Switches163
- Management Cable Specifications168
- Table 77: Specifications of Cables to Connect to Management Devices168
- Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation169
Chapter 9 Pinout Specifications171
- Mini-USB Port Pinout Specifications172
- USB Port Specifications for an EX Series Switch172
- Table 79: Mini-USB Type-B Console Port Pinout Information172
- RJ-45 Management Port Connector Pinout Information174
- Port, QSFP+ Port, SFP+ Port, and SFP Port Connector Pinout Information174
- Table 80: RJ-45 Management Port Connector Pinout Information174
- Table 81: 10/100/1000BASE-T Ethernet Network Port Connector Pinout174
- Table 82: SFP Network Port Connector Pinout Information175
- Table 83: SFP+ Network Port Connector Pinout Information176
- Table 84: QSFP+ Network Port Connector Pinout Information177
- RJ-45 to DB-9 Serial Port Adapter Pinout Information179
- Table 85: RJ-45 to DB-9 Serial Port Adapter Pinout Information179
- Pinout Specifications171
  - Console Port Connector Pinout Information171
  - Table 78: Console Port Connector Pinout Information171
- Initial Installation and Configuration181
Chapter 10 Unpacking the Switch183
- Parts Inventory (Packing List) for an EX4300 Switch184
- Table 86: Inventory of Components Provided with an EX4300 Switch184
- Registering Products-Mandatory for Validating Slas185
- Unpacking the Switch183
  - Unpacking an EX4300 Switch183
Chapter 11 Installing the Switch187
- Installing and Connecting an EX4300 Switch187
- Mounting an EX4300 Switch188
- Mounting an EX4300 Switch on Two Posts of a Rack or Cabinet189
- Figure 41: Attaching the Mounting Bracket to the Side Panel of the Switch190
- Mounting an EX4300 Switch on Four Posts of a Rack or Cabinet191
- Figure 42: Mounting the Switch on Two Posts of a Rack191
- Mounting an EX4300 Switch in a Recessed Position in a Rack or Cabinet191
- Verify that the Site Meets the Requirements Described in "Site Preparation Checklist for EX4300 Switches" on Page192
- Maintenance, and Secure It to the Building Structure192
- Read "General Safety Guidelines and Warnings" on Page 283, with Particular Attention to "Chassis Lifting Guidelines" on Page192
- Figure 43: Attaching the Side Mounting-Rail to the Switch Chassis193
- Figure 44: Mounting the Switch on Front Posts of a Rack194
- Figure 45: Sliding the Rear Mounting-Blades into the Side Mounting-Rails194
- Mounting an EX4300 Switch in a Recessed Position in a Rack or Cabinet195
- Mounting an EX4300 Switch on a Wall195
- Figure 46: Attaching Wall-Mount Brackets to the Switch Chassis197
- Installing and Removing EX4300 Switch Hardware Components198
- Figure 47: Mounting the Switch on a Wall198
Chapter 12 Connecting the Switch to Power201
- Connecting Earth Ground to an EX Series Switch201
Chapter 13 Switch204
- Table 88: Special Instructions to Follow before Connecting Earth Ground to a204
- Figure 48: Connecting the Grounding Lug to a Switch Mounted on Four Posts of205
- Connecting AC Power to an EX4300 Switch207
- Figure 50: Connecting an AC Power Cord to an AC Power Supply in an EX4300209
- Connecting DC Power to an EX4300 Switch210
- Figure 51: Securing Ring Lugs to the Terminals on the DC Power Supply214
- Connecting the Switch to the Network215
Chapter 14 Performing Initial Configuration229
- EX4300 Default Configuration229
- Connecting and Configuring an EX Series Switch (CLI Procedure)237
- Connecting and Configuring an EX Series Switch (J-Web Procedure)240
- Figure 65: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200242
- Figure 66: LCD Panel in an EX4300 Switch242
- Configuring the LCD Panel on EX Series Switches (CLI Procedure)245
  - Disabling or Enabling Menus and Menu Options on the LCD Panel245
  - Configuring a Custom Display Message246
- Installing, Maintaining, and Replacing Components249
Chapter 15 Replacing Cooling System Component251
- Replacing Cooling System Component251
Chapter 16 Replacing Power Supply255
- Replacing Power Supply255
Chapter 17 Replacing Uplink Module263
- Installing an Uplink Module in an EX4300 Switch263
  - Figure 73: Installing a 4-Port SFP+ Uplink Module in a 24-Port or 48-Port EX4300264
  - Switch264
- Removing an Uplink Module from an EX4300 Switch265
- Figure 74: Installing a 2-Port QSFP+ Uplink Module in a 32-Port EX4300265
- Figure 75: Installing an 8-Port SFP+ Uplink Module in a 32-Port EX4300265
- Figure 76: Removing a 4-Port SFP+ Uplink Module from a 24-Port or 48-Port EX4300 Switch267
- Figure 77: Removing a 2-Port QSFP+ Uplink Module from a 32-Port EX4300267
- Figure 78: Removing an 8-Port SFP+ Uplink Module from a 32-Port EX4300267
Chapter 18 Replacing Transceiver269
- Removing a Transceiver271
- Figure 79: Installing a Transceiver271
- Figure 80: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver273
- Replacing Transceiver269
  - Installing a Transceiver269
Chapter 19 Maintaining and Replacing Fiber-Optic Cable275
- Connecting a Fiber-Optic Cable275
- Disconnecting a Fiber-Optic Cable from a Device276
- Figure 81: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in276
- Maintaining Fiber-Optic Cables277
Chapter 20 Contactingcustomersupportandreturningthe Chassisor279
- Components279
- Returning an EX4300 Switch or Component for Repair or Replacement279
- Locating the Serial Number on an EX4300 Switch or Component280
- Contacting Customer Support to Obtain Return Material Authorization284
- Packing an EX4300 Switch or Component for Shipping284
  - Packing an EX4300 Switch for Shipping285
  - Packing EX4300 Switch Components for Shipping286
- Part 5 Troubleshooting289
- Troubleshooting289
Chapter 21 Alarms and Syslog Messages291
- Understanding Alarm Types and Severity Levels on EX Series Switches291
- Table 89: Alarm Terms291
- Chassis Component Alarm Conditions on EX4300 Switches292
- Table 90: Chassis Component Alarm Conditions on EX4300 Switches293
- Checking Active Alarms with the J-Web Interface296
- Monitoring System Log Messages297
- Table 91: Summary of Key Alarm Output Fields297
- Table 92: Filtering System Log Messages298
- Table 93: Viewing System Log Messages300
- Safety and Compliance Information303
Chapter 22 Generalsafety Guidelinesand Warnings305
- General Safety Guidelines and Warnings305
- Definitions of Safety Warning Levels306
- Qualified Personnel Warning308
- Warning Statement for Norway and Sweden309
Chapter 23 Fire Safety Requirements311
Chapter 24 Installation Safety Guidelines and Warnings313
- Installation Instructions Warning313
- Chassis Lifting Guidelines314
- Restricted Access Warning314
- Ramp Warning316
- Rack-Mounting and Cabinet-Mounting Warnings316
- Wall-Mounting Warning for EX4300 Switches320
- Grounded Equipment Warning320
Chapter 25 Radiation and Laser Safety Guidelines and Warnings323
- Laser and LED Safety Guidelines and Warnings323
- Radiation from Open Port Apertures Warning325
Chapter 26 Maintenance and Operational Safety Warnings327
- Maintenance and Operational Safety Guidelines and Warnings327
Chapter 27 Electrical Safety Guidelines and Warnings333
- General Electrical Safety Guidelines and Warnings333
- Action to Take after an Electrical Accident334
- Prevention of Electrostatic Discharge Damage335
- AC Power Electrical Safety Guidelines336
- Figure 90: Placing a Component into an Antistatic Bag336
- AC Power Disconnection Warning337
- DC Power Electrical Safety Guidelines for Switches338
- DC Power Disconnection Warning341
- DC Power Grounding Requirements and Warning342
- DC Power Wiring Sequence Warning343
- DC Power Wiring Terminations Warning345
- Multiple Power Supplies Disconnection Warning346
- TN Power Warning346
Chapter 28 Agency Approvals and Compliance Statements349
- Agency Approvals for EX Series Switches349
- Compliance Statements for EMC Requirements for EX Series Switches350
- Compliance Statements for Acoustic Noise for EX Series Switches354

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Juniper EX4300 Specifications

General

Model	EX4300
Virtual Chassis	Yes, up to 10 members
Layer 3 Routing	Yes
10GBASE SFP+ Ports	4
Jumbo Frames	9216 bytes
MAC Address Table Size	32, 000
Operating System	Junos OS
Uplink Ports	4 x 10GBASE SFP+
Power Supply	AC or DC options
Operating Temperature	0°C to 45°C (32°F to 113°F)
Input Voltage	100-240V AC
Operating Relative Humidity	5 to 90% RH, non-condensing
Management Options	CLI, Web UI, Junos Space
Redundancy	Yes, power supply and fans
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Ports	24 or 48

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