Name: Juniper EX9208
Brand: Juniper
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switch; however, the orientation of the fan try is different—it is installed horizontally into

the top and bottom of the chassis (see Figure 62 on page 211).

Figure 61: Installing a Fan Tray in an EX9208 Switch

EX9208 Switch Hardware Guide

Default Chapter3
- Table of Contents3
- About the Documentation19
- About the Documentation21
  - Requesting Technical Support22
    - Self-Help Online Tools and Resources22
    - Opening a Case with JTAC22
- Chassis Components and Descriptions25
- Cooling System and Airflow25
- Line Cards25
- Overview25
- Switch Overview25
Chapter 1 Switch Overview27
- Switch Overview27
- Power Supplies31
- Switch Overview33
- Table 6: CLI Equivalents of Terms Used in Documentation for EX920833
Chapter 2 Chassis Components and Descriptions37
- Chassis Physical Specifications of an EX9208 Switch37
- Table 7: Physical Specifications of the EX9208 Switch Chassis37
- Figure 4: EX9208 Switch39
- Figure 5: EX9208 Switch with AC Power Supplies39
- Field-Replaceable Units in an EX9200 Switch40
- Figure 6: EX9208 Switch with DC Power Supplies40
- Table 8: Frus in an EX9200 Switch40
- Understanding EX9208 Switch Component and Functionality Redundancy42
- Craft Interface in an EX9200 Switch43
  - Figure 7: Craft Interface in an EX9204 Switch44
  - Figure 8: Craft Interface in an EX9208 Switch44
  - Figure 9: Craft Interface in an EX9214 Switch45
  - Host Subsystem Leds45
  - Fan Leds46
  - Power Supply (PEM) Leds46
  - Table 10: Fan Leds on the Craft Interface46
  - Table 11: Power Supply Leds on the Craft Interface46
  - Table 9: Host Subsystem Leds on the Craft Interface46
  - Line Card Leds and Control Buttons47
  - Switch Fabric Leds and Control Buttons47
  - Table 12: Switch Fabric Module Leds on the Craft Interface47
  - Table 13: Line Card Leds on the Craft Interface47
  - Alarm Leds and Alarm Cutoff Button48
  - Alarm Relay Contacts48
  - Table 14: Alarm Leds and Alarm Cutoff/Lamp Test Button48
- Midplane in an EX9200 Switch49
- Figure 10: Alarm Relay Contacts in EX9200 Switches49
- Figure 11: Midplane in an EX9204 Switch50
- Figure 12: Midplane in an EX9208 Switch50
- Routing Engine Module in an EX9200 Switch51
- Figure 13: Midplane in an EX9214 Switch51
- Figure 14: RE Module in an EX9200 Switch52
- Switch Fabric Module in an EX9200 Switch53
- Figure 15: SF Module EX9200-SF54
- Figure 16: SF Module EX9200-SF255
- Host Subsystem in an EX9200 Switch56
- Network Port Leds on Line Cards in an EX9200 Switch57
- Table 15: Network Port Leds on Line Cards in an EX9200 Switch-Link/Activity57
- Modular Interface Card LED in an EX9200 Switch58
- Table 16: Network Port Leds on Line Cards in an EX9200 Switch-Status58
- Routing Engine Module Leds in an EX9200 Switch59
- Switch Fabric Module Leds in an EX9200 Switch59
- Table 17: MIC LED for EX9200 Switches59
- Table 18: RE Module Leds of an EX9200 Switch59
- Cable Management Brackets in an EX9208 Switch60
- Figure 17: Cable Management Brackets60
- Table 19: SF Module Leds of an EX9200 Switch60
- Figure 18: Cable Management Brackets Installed on the Switch61
Chapter 3 Cooling System and Airflow63
- Cooling System and Airflow in an EX9208 Switch63
Chapter 4 Power Supplies67
- AC Power Supply Configurations68
- Figure 22: AC Power Supply for an EX9208 Switch68
- AC Power Supply Leds in an EX9208 Switch69
- DC Power Supply in an EX9208 Switch70
- DC Power Supply Leds in an EX9208 Switch72
- Table 21: Power Supply Redundancy and Power Distribution72
- Table 22: DC Power Supply Leds in EX9208 Switches73
- Power Supplies67
  - AC Power Supply in an EX9208 Switch67
    - AC Power Supply Description67
Chapter 5 Line Cards75
- Line Cards75
- Preparation Overview101
- Site Planning, Preparation, and Specifications101
Chapter 6 Preparation Overview103
- Environmental Requirements and Specifications for EX Series Switches105
- Table 37: EX Series Switch Environmental Tolerances105
- General Site Guidelines109
- Site Electrical Wiring Guidelines110
- Table 38: Site Electrical Wiring Guidelines110
- Rack Requirements111
- Cabinet Requirements111
- Preparation Overview103
  - Site Preparation Checklist for an EX9208 Switch103
  - Table 36: Site Preparation Checklist103
Chapter 7 Planning Power Requirements115
- Power Requirements for EX9200 Switch Components115
- Table 41: EX9200 Switch Component Power Requirements115
- AC Power Supply Specifications for EX9208 Switches116
- Table 42: AC Power Supply Specifications for an EX9208 Switch116
- AC Power Cord Specifications for an EX9208 Switch117
- Table 43: AC Power System Specifications117
- Table 44: AC Power Cord Specifications for an EX9208 Switch117
- Figure 39: AC Plug Types119
- DC Power Supply Specifications for EX9208 Switches120
- Table 45: DC Power Supply Specifications for an EX9208 Switch120
- Grounding Cable and Lug Specifications for EX9200 Switches121
- Calculating the EX Series Switch Fiber-Optic Cable Power Budget123
- Calculating the EX Series Switch Fiber-Optic Cable Power Margin124
- Table 48: Estimated Values for Factors Causing Link Loss124
Chapter 8 Transceiver and Cable Specifications127
- Pluggable Transceivers Supported on EX9200 Switches127
- Table 49: Optical Interface Support for Fast Ethernet and Gigabit Ethernet SFP129
- Table 50: Optical Interface Support for Fast Ethernet and Fast Ethernet SFP140
- Table 51: Optical Interface Support for SFP+ Transceivers in EX9200143
- Table 52: Optical Interface Support for 40-Gigabit QSFP+ Transceivers in149
- Table 53: Optical Interface Support for 100-Gigabit QSFP+ Transceivers in152
- Table 54: Optical Interface Support for CFP Transceivers in EX9200154
- Pluggable Transceivers Supported on EX Series Switches156
- SFP+ Direct Attach Copper Cables for EX Series Switches157
- QSFP+ Direct Attach Copper Cables for EX Series Switches162
- Management Cable Specifications168
- Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation168
Chapter 9 Pinout Specifications171
- USB Port Specifications for an EX Series Switch172
- RJ-45 Management Port Connector Pinout Information173
- Table 61: RJ-45 Management Port Connector Pinout Information173
- RJ-45 to DB-9 Serial Port Adapter Pinout Information for a Switch174
- Table 62: RJ-45 to DB-9 Serial Port Adapter Pinout Information174
- Pinout Specifications171
  - Console Port Connector Pinout Information for an EX Series Switch171
  - Table 60: EX Series Switches Console Port Connector Pinout Information171
- Initial Installation and Configuration177
Chapter 10 Unpacking the Switch179
- Unpacking the EX9200 Switch179
- Unpacking a Line Card Used in an EX9200 Switch180
- Figure 43: Contents of the Shipping Crate for EX9200 Switches180
- Parts Inventory (Packing List) for an EX9208 Switch181
- Figure 44: Unpacking a Line Card Used in an EX9200 Switch181
- Table 63: Parts List for Different EX9208 Switch Configurations182
- Table 64: Accessory Box Parts List182
- Registering Products-Mandatory for Validating Slas183
Chapter 11 Installing the Switch185
- Installing and Connecting an EX9208 Switch185
- Installing a Mounting Shelf in a Rack or Cabinet for an EX9208 Switch186
- Table 65: Four-Post Rack or Cabinet Mounting Hole Locations186
- Figure 45: Installing the Mounting Shelf for a Four-Post Rack or Cabinet187
- Moving the Mounting Brackets for Center-Mounting an EX9200 Switch188
- Figure 46: Installing the Mounting Shelf for an Open-Frame Rack188
- Mounting an EX9200 Switch on a Rack or Cabinet Using a Mechanical Lift189
- Installing and Removing EX9208 Switch Hardware Components194
Chapter 12 Connecting the Switch to Power197
- Connecting Earth Ground to an EX Series Switch197
Chapter 13 Switch201
- Figure 49: Connecting the Grounding Lug to a Switch Mounted on Four Posts of201
- Table 67: Special Instructions to Follow before Connecting Earth Ground to a201
- Connecting AC Power to an EX9208 Switch203
- Figure 51: Connecting the Power Supply Cord to an EX9208 Switch205
- Powering on an AC-Powered EX9200 Switch206
- Connecting DC Power to an EX9208 Switch207
- Figure 52: DIP Input Mode Switch209
- Figure 53: Connecting DC Power to an EX9208 Switch211
- Powering on a DC-Powered EX9200 Switch212
- Connecting the Switch to the Network215
Chapter 14 Performing Initial Configuration221
- EX9200 Switch Default Configuration221
- Connecting and Configuring an EX9200 Switch (CLI Procedure)222
- Installing, Maintaining, and Replacing Components227
Chapter 15 Removing the Switch229
- Removing an EX9200 Switch from a Rack or Cabinet Using a Mechanical Lift230
- Removing an EX9208 Switch from a Rack or Cabinet Without Using a Mechanical Lift231
- Removing the Switch229
  - Powering off an EX9200 Switch229
Chapter 16 Replacing Cooling System Component233
- Replacing Cooling System Component233
Chapter 17 Replacing Power Supply239
- Installing an AC Power Supply in an EX9208 Switch239
- Figure 65: Installing an AC Power Supply in an EX9208 Switch240
- Removing an AC Power Supply from an EX9208 Switch241
- Installing a DC Power Supply in an EX9208 Switch242
- Figure 66: Removing an AC Power Supply from an EX9208 Switch242
- Removing a DC Power Supply from an EX9208 Switch244
- Figure 67: Installing a DC Power Supply in an EX9208 Switch244
- Figure 68: Removing a DC Power Supply from an EX9208 Switch246
Chapter 18 Replacing Routing Engine (RE) Module247
- Installing an RE Module in an EX9200 Switch247
- Figure 69: Installing an RE Module in an EX9200 Switch248
- Removing an RE Module from an EX9200 Switch249
- Taking the Host Subsystem Offline in an EX9200 Switch250
- Figure 70: Removing an RE Module from an EX9200 Switch250
Chapter 19 Upgrading and Replacing Switch Fabric (SF) Module253
- Upgrading an EX9200-SF to an EX9200-SF2253
- Installing an SF Module in an EX9200 Switch256
- Figure 71: Installing an SF Module in an EX9200 Switch258
- Removing an SF Module from an EX9200 Switch259
- Figure 72: Removing an SF Module from an EX9200 Switch260
Chapter 20 Maintaining and Replacing Line Card261
- Handling and Storing Line Cards in EX9200 Switches261
- Maintaining Line Card Cables in EX9200 Switches264
- Unpacking a Line Card Used in an EX9200 Switch265
- Installing a Line Card in an EX9200 Switch266
- Figure 76: Unpacking a Line Card Used in an EX9200 Switch266
- Removing a Line Card from an EX9200 Switch268
- Figure 77: Installing a Line Card268
- Figure 78: Removing a Line Card from an EX9200 Switch270
Chapter 21 Replacing a MIC in an EX9200-MPC Line Card271
- Installing a MIC in an EX9200-MPC Line Card271
- Figure 79: Installing the Septum273
- Figure 80: Removing the Septum273
- Figure 81: Installing an EX9200-10XS-MIC or EX9200-20F-MIC274
- Removing a MIC from an EX9200-MPC Line Card275
- Figure 82: Installing an EX9200-40T-MIC275
- Figure 83: Removing an EX9200-10XS-MIC or EX9200-20F-MIC277
- Figure 84: Removing an EX9200-40T-MIC278
Chapter 22 Replacing Transceiver279
- Removing a Transceiver from a Switch281
- Figure 85: Installing a Transceiver in a Switch281
- Figure 86: Removing an SFP, SFP+, XFP, or a QSFP+ Transceiver from a283
- Replacing Transceiver279
  - Installing a Transceiver in a Switch279
Chapter 23 Replacing Alarm Relay Wire285
- Switch285
- Figure 87: Alarm Relay Contacts286
- Figure 88: Alarm Relay Contacts286
Chapter 24 Maintaining and Replacing Fiber-Optic Cable287
- Connecting a Fiber-Optic Cable to a Switch287
- Disconnecting a Fiber-Optic Cable from a Switch288
- Figure 89: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed288
- Maintaining Fiber-Optic Cables in Switches289
Chapter 25 Replacing Cable Management Bracket291
- Installing Cable Management Brackets on an EX9208 Switch291
- Removing Cable Management Brackets from an EX9208 Switch292
- Figure 90: Installing the Cable Management Brackets in an EX9208 Switch292
Chapter 26 Routine Maintenance293
- Holding a Line Card294
- Figure 92: Do Not Grasp the Connector Edge295
- Storing a Line Card296
- Figure 93: Do Not Rest the Edge of a Line Card on a Hard Surface296
- Maintaining Line Card Cables in EX9200 Switches297
- Maintaining Power Supplies in EX9200 Switches297
- Maintaining the Air Filter in EX9200 Switches298
- Maintaining Host Subsystem in EX9200 Switches299
- Maintaining the Fan Tray in EX9200 Switches301
- Routine Maintenance293
Chapter 27 Contactingcustomersupportandreturningthe Chassis or305
- Components305
- Returning an EX9200 Switch or Component for Repair or Replacement305
- Locating the Serial Number on an EX9208 Switch or Component306
- Packing an EX9200 Switch or Component314
  - Packing an EX9200 Switch314
  - Packing EX9200 Switch Components for Shipping315
- Part 5 Troubleshooting317
- Troubleshooting317
Chapter 28 Troubleshooting Procedures319
- Troubleshooting Power Supplies in an EX9200 Switch320
- Troubleshooting Line Cards in EX9200 Switches321
- Troubleshooting Traffic Drops on EX9200-6QS Line Cards323
- Troubleshooting Procedures319
  - Troubleshooting the Cooling System in an EX9200 Switch319
Chapter 29 Alarms and System Log Messages325
- Understanding Alarm Types and Severity Levels on EX Series Switches325
- Table 68: Alarm Terms325
- Chassis Component Alarm Conditions on EX9200 Switches326
- Monitoring System Log Messages334
- Table 71: Filtering System Log Messages334
- Table 72: Viewing System Log Messages336
- Safety and Compliance Information339
Chapter 30 General Safety Guidelines and Warnings341
- Definitions of Safety Warning Levels342
- Qualified Personnel Warning344
- Warning Statement for Norway and Sweden345
Chapter 31 Fire Safety Requirements347
Chapter 32 Installation Safety Guidelines and Warnings349
- Installation Instructions Warning349
- Chassis Lifting Guidelines351
- Restricted Access Warning352
- Ramp Warning353
- Rack-Mounting and Cabinet-Mounting Warnings354
- Grounded Equipment Warning359
Chapter 33 Radiation and Laser Safety Guidelines and Warnings361
- Radiation from Open Port Apertures Warning361
- Laser and LED Safety Guidelines and Warnings for Switches362
Chapter 34 Maintenance and Operational Safety Warnings367
- Maintenance and Operational Safety Guidelines and Warnings367
Chapter 35 Electrical Safety Guidelines and Warnings373
- General Electrical Safety Guidelines and Warnings373
- Action to Take after an Electrical Accident374
- Prevention of Electrostatic Discharge Damage375
- Figure 99: Placing a Component into an Antistatic Bag376
- AC Power Electrical Safety Guidelines377
- AC Power Disconnection Warning379
- DC Power Electrical Safety Guidelines for Switches380
- DC Power Disconnection Warning383
- DC Power Grounding Requirements and Warning384
- DC Power Wiring Sequence Warning385
- DC Power Wiring Terminations Warning387
- Multiple Power Supplies Disconnection Warning389
- TN Power Warning389
Chapter 36 Agency Approvals and Compliance Statements391
- Agency Approvals for EX Series Switches391
- Battery Compliance Statement for Environmental Requirements for EX Series391
  - Switches391
- Compliance Statements for EMC Requirements for EX Series Switches392
- Compliance Statements for Acoustic Noise for EX Series Switches396

Juniper EX9208 Hardware Guide

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Brand	Juniper
Model	EX9208
Category	Switch
Language	English