Juniper EX2300-C - Airflow Direction in EX2300 Switches Without Poe Capability

Juniper EX2300-C

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Figure 21: Airflow Direction in EX2300 Switches with 48 Ports with PoE

Capability

Airflow Direction in EX2300 Switches without PoE Capability

Figure 22 on page 26 shows the airflow in EX2300 switches without PoE capability.

25Copyright © 2017, Juniper Networks, Inc.

Chapter 3: Cooling System and Airflow

Table of Contents

Default Chapter3
- Table of Contents3
- About the Documentation17
- Overview23
  - Chassis Components and Descriptions23
Chapter 1 System Overview25
- System Overview25
  - EX2300 Switches Hardware Overview25
    - EX2300 Switches First View25
- Cable Guard26
- Console Ports26
- Uplink Ports26
- Front Panel of an EX2300 Switch27
- Power over Ethernet (Poe) Ports27
- Security Slot27
- System Overview27
- Figure 1: Front Panel of an EX2300-C Switch with 12 Gigabit Ethernet Ports with28
- Figure 2: Front Panel of an EX2300-C Switch with 12 Gigabit Ethernet Ports28
- Figure 3: Front Panel of an EX2300 Switch with 24 Gigabit Ethernet Ports with29
- System Overview29
- Figure 4: Front Panel of an EX2300 Switch with 48 Gigabit Ethernet Ports with30
- Figure 5: Rear Panel of an EX2300-C Switch with 12 Gigabit Ethernet Ports with30
- Rear Panel of an EX2300 Switch30
- Figure 6: Rear Panel of an EX2300-C Switch with 12 Gigabit Ethernet Ports Without Poe Capability31
- Figure 7: Rear Panel of an AC-Powered EX2300 Switch with 24 Gigabit Ethernet Ports with Poe Capability32
- Figure 8: Rear Panel of an AC-Powered EX2300 Switch with 24 Gigabit Ethernet Ports Without Poe Capability32
- Figure 9: Rear Panel of a DC-Powered EX2300 Switch with 24 Gigabit Ethernet32
- EX2300 Switch Models33
- Figure 10: Rear Panel of an AC-Powered EX2300 Switch with 48 Gigabit Ethernet Ports with Poe Capability33
- Figure 11: Rear Panel of an AC-Powered EX2300 Switch with 48 Gigabit Ethernet Ports Without Poe Capability33
- EX2300 Switch Hardware and CLI Terminology Mapping34
- Table 3: EX2300 Switch Models34
- Table 4: CLI Equivalents of Terms Used in Documentation for EX230034
Chapter 2 Chassis Components and Descriptions37
- Chassis Physical Specifications for EX2300 Switches37
- Table 5: Physical Specifications of the EX2300 Switch Chassis37
- Chassis Status Leds in EX2300 Switches38
- Figure 12: Chassis Status Leds in EX2300-C Switches38
- Figure 13: Chassis Status Leds in EX2300 Switches Except the EX2300-C38
- Table 6: Chassis Status Leds in an EX2300 Switch38
- Management Port Leds in EX2300 Switches40
- Figure 14: Leds on the Management Port on EX2300-C Switches40
- Figure 15: Leds on the Management Port on EX2300 Switches40
- Table 7: Link/Activity LED on the Management Port on EX2300 Switches40
- RJ-45 Network Port Leds and Uplink Port Leds in EX2300 Switches41
- Figure 16: Leds on RJ-45 Network Ports41
- Figure 17: Leds on the Uplink Ports in EX2300-C Switches41
- Figure 18: Leds on the Uplink Ports in an EX2300 Switches Except the EX2300-C41
- Table 8: Status LED on the Management Port on EX2300 Switches41
- Figure 19: Port Mode Leds on EX2300 Switches42
- Table 9: Link/Activity LED on the RJ-45 Network Ports and the Uplink Ports in42
- Table 10: Status LED on the RJ-45 Network Ports in EX2300 Switches42
- Table42
- Table 11: Status LED on the Uplink Ports in EX2300 Switches43
Chapter 3 Cooling System and Airflow45
- Cooling System and Airflow in an EX2300 Switch45
Chapter 4 Power Supplies49
- Power Supplies49
  - Power Supply in EX2300 Switches49
  - Table 12: Power Consumed by EX2300 Switches49
Chapter 5 Viewing System Information51
- Dashboard for EX Series Switches51
Chapter 6 Preparation Overview73
- Environmental Requirements and Specifications for EX Series Switches75
- Table 30: EX Series Switch Environmental Tolerances75
- General Site Guidelines79
- Site Electrical Wiring Guidelines79
- Table 31: Site Electrical Wiring Guidelines79
- Chassis Physical Specifications for EX2300 Switches80
- Table 32: Physical Specifications of the EX2300 Switch Chassis80
- Rack Requirements81
- Table 33: Rack Requirements and Specifications81
- Requirements for Mounting an EX2300 Switch on or under a Desk or Other Level Surface or on a Wall82
- Cabinet Requirements82
- Table 34: Cabinet Requirements and Specifications82
- Clearance Requirements for Airflow and Hardware Maintenance for EX230083
- Preparation Overview73
  - Site Preparation Checklist for EX2300 Switches73
  - Table 29: Site Preparation Checklist73
Chapter 7 Power Specifications and Requirements89
- Power Specifications for EX2300 Switches89
- Table 35: AC Power Supply Electrical Specifications for EX2300 Switches89
- AC Power Cord Specifications for EX2300 Switches90
- Table 36: DC Power Supply Electrical Specifications for EX2300 Switches90
- Figure 28: AC Plug Types91
- Table 37: AC Power Cord Specifications91
- Calculating the EX Series Switch Fiber-Optic Cable Power Budget92
- Calculating the EX Series Switch Fiber-Optic Cable Power Margin92
- Table 38: Estimated Values for Factors Causing Link Loss93
Chapter 8 Transceiver and Cable Specifications95
- Pluggable Transceivers Supported on EX2300 Switches95
- Table 39: Optical Interface Support and Copper Interface Support for SFP97
- Table 40: Optical Interface Support for SFP+ Transceivers in EX2300116
- Pluggable Transceivers Supported on EX Series Switches119
- SFP+ Direct Attach Copper Cables for EX Series Switches121
- Management Cable Specifications127
- Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation128
Chapter 9 Pinout Specifications131
- USB Port Specifications for an EX Series Switch132
- Mini-USB Port Pinout Specifications133
- Table 45: Mini-USB Type-B Console Port Pinout Information133
- RJ-45 Management Port Connector Pinout Information134
- Port, QSFP+ Port, SFP+ Port, and SFP Port Connector Pinout Information134
- Table 46: RJ-45 Management Port Connector Pinout Information134
- Table 47: 10/100/1000BASE-T Ethernet Network Port Connector Pinout134
- Table 48: SFP Network Port Connector Pinout Information135
- Table 49: SFP+ Network Port Connector Pinout Information136
- Table 50: QSFP+ Network Port Connector Pinout Information137
- SFP+ Uplink Port Connector Pinout Information for an EX2300 Switch139
- Table 51: Connector Pinout Information for the 10-Gigabit Ethernet Uplink139
- RJ-45 to DB-9 Serial Port Adapter Pinout Information140
- Table 52: RJ-45 to DB-9 Serial Port Adapter Pinout Information140
- Pinout Specifications131
  - Console Port Connector Pinout Information131
  - Table 44: Console Port Connector Pinout Information131
Chapter 10 Planning the Virtual Chassis141
- Planning EX2300 Virtual Chassis141
- Understanding EX2300 Virtual Chassis Hardware Configuration142
- Part 3 Initial Installation and Configuration143
Chapter 11 Unpacking the Switch145
- Parts Inventory (Packing List) for an EX2300 Switch146
- Table 53: Parts List for EX2300 Switches146
- Registering Products-Mandatory for Validating Slas147
- Unpacking the Switch145
  - Unpacking an EX2300 Switch145
Chapter 12 Installing the Switch149
- Installing and Connecting an EX2300 Switch149
- Mounting an EX2300 Switch150
- Table 54: EX2300 Switch Mounting Methods150
- Mounting an EX2300 Switch on a Desk or Other Level Surface151
- Mounting an EX2300 Switch on Two Posts of a Rack or Cabinet157
- Figure 36: Attaching the Mounting Bracket Along the Front of the Switch158
- Mounting an EX2300 Switch on Four Posts of a Rack or Cabinet159
- Figure 37: Mounting the Switch on Two Posts of a Rack159
- Figure 38: Attaching the Front-Mounting Bracket to the Side Mounting-Rail161
- Figure 39: Attaching the Side Mounting-Rail to the Switch Chassis161
- Figure 40: Mounting the Switch to the Front Posts of a Rack162
- Figure 41: Sliding the Rear Mounting-Blades into the Side Mounting-Rail162
- Mounting an EX2300 Switch on a Wall163
- Mounting an EX2300 Switch in a Recessed Position in a Rack or Cabinet175
Chapter 13 Connecting the Switch to Power177
- Connecting Earth Ground to an EX Series Switch177
Chapter 14 Switch180
- Figure 54: Connecting the Grounding Lug to a Switch Mounted on Four Posts of181
- Connecting AC Power to an EX2300 Switch183
- Figure 56: Connecting an AC Power Cord Retainer Clip to the AC Power Cord Inlet on EX2300-C Switches184
- Figure 57: Connecting an AC Power Cord Retainer Clip to the AC Power Cord Inlet on EX2300 Switches Except EX2300-C Switches184
- Connecting DC Power to an EX2300 Switch185
- Figure 58: Connecting an AC Power Cord to the AC Power Cord Inlet on EX2300-C185
- Figure 59: Connecting an AC Power Cord to the AC Power Cord Inlet on EX2300 Switches Except EX2300-C Switches185
- Figure 60: Securing the Ring Lugs on the Power Cables to the Terminals on the187
- Connecting the Switch to the Network189
Chapter 15 Performing Initial Configuration195
- EX2300 Switch Default Configuration195
- Connecting and Configuring an EX Series Switch (CLI Procedure)201
- Connecting and Configuring an EX Series Switch (J-Web Procedure)204
- Figure 67: LCD Panel in an EX3200, EX4200, EX4500, EX4550, or EX8200206
- Figure 68: LCD Panel in an EX4300 Switch206
- Reverting to the Default Factory Configuration for the EX Series Switch208
- Installing, Maintaining, and Replacing Components213
Chapter 16 Replacing Transceiver215
- Removing a Transceiver217
- Figure 70: Installing a Transceiver217
- Figure 71: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver219
- Replacing Transceiver215
  - Installing a Transceiver215
Chapter 17 Maintaining and Replacing Fiber-Optic Cable221
- Disconnecting a Fiber-Optic Cable from a Device222
- Figure 72: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in222
- Maintaining Fiber-Optic Cables223
- Maintaining and Replacing Fiber-Optic Cable221
  - Connecting a Fiber-Optic Cable221
Chapter 18 Contactingcustomersupportandreturningthechassisor225
- Components225
- Returning an EX2300 Switch or Component for Repair or Replacement225
- Locating the Serial Number on an EX2300 Switch or Component225
  - Listing the Switch and Components Details with the CLI226
  - Locating the Chassis Serial Number ID Label on an EX2300 Switch227
- Contacting Customer Support to Obtain Return Material Authorization227
- Packing an EX2300 Switch or Component for Shipping228
  - Packing a Switch for Shipping229
  - Packing Switch Components for Shipping229
- Part 5 Troubleshooting231
- Troubleshooting231
Chapter 19 Alarms and System Log Messages233
- Understanding Alarm Types and Severity Levels on EX Series Switches233
- Table 57: Alarm Terms233
- Chassis Component Alarm Conditions on EX2300 Switches234
- Table 58: Alarm Conditions on EX2300 Switches235
- Checking Active Alarms with the J-Web Interface236
- Monitoring System Log Messages237
- Table 59: Summary of Key Alarm Output Fields237
- Table 60: Filtering System Log Messages238
- Table 61: Viewing System Log Messages240
- Safety and Compliance Information243
Chapter 20 General Safety Guidelines and Warnings245
- Definitions of Safety Warning Levels246
- Qualified Personnel Warning248
- Warning Statement for Norway and Sweden249
Chapter 21 Fire Safety Requirements251
Chapter 22 Installation Safety Guidelines and Warnings253
- Installation Instructions Warning253
- Chassis Lifting Guidelines254
- Restricted Access Warning254
- Ramp Warning256
- Rack-Mounting and Cabinet-Mounting Warnings256
- Wall-Mounting Warnings for EX2300 Switches260
- Grounded Equipment Warning260
Chapter 23 Radiation and Laser Safety Guidelines and Warnings263
- Laser and LED Safety Guidelines and Warnings263
- Radiation from Open Port Apertures Warning265
Chapter 24 Maintenance and Operational Safety Warnings267
- Maintenance and Operational Safety Guidelines and Warnings267
Chapter 25 Electrical Safety Guidelines and Warnings273
- General Electrical Safety Guidelines and Warnings273
- Action to Take after an Electrical Accident274
- Prevention of Electrostatic Discharge Damage275
- AC Power Electrical Safety Guidelines276
- AC Power Disconnection Warning277
- DC Power Electrical Safety Guidelines for Switches278
- DC Power Disconnection Warning281
- DC Power Grounding Requirements and Warning282
- DC Power Wiring Sequence Warning283
- DC Power Wiring Terminations Warning285
- Multiple Power Supplies Disconnection Warning286
- TN Power Warning286
Chapter 26 Agency Approvals and Compliance Statements289
- Agency Approvals for EX Series Switches289
- Compliance Statements for EMC Requirements for EX Series Switches290

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