Juniper EX2300-C - Part 5 Troubleshooting; Troubleshooting

Juniper EX2300-C

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PART 5

Troubleshooting

•

Alarms and System Log Messages on page 211

209Copyright © 2017, Juniper Networks, Inc.

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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