Cisco cBR Series - General Troubleshooting

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General Troubleshooting

SolutionPossible CauseProblem

Cisco cBR-8 routers shipped to

customers from June 29, 2016 to

August 5, 2016 have default startup

configuration password c.

Unable to configure the Cisco

cBR-8 router unless password

enablement and password entry

steps are performed.

Cisco Converged Broadband Routers Hardware Installation Guide

259

Troubleshooting the Cisco cBR

General Troubleshooting

Main Page

Default Chapter4
- Table of Contents4
C H a P T E9
- Warning Definition56
- Preventing Electrostatic Discharge Damage57
- Plant Wiring Guidelines57
- Electrical Equipment Guidelines58
- Unpacking and Verifying Shipping Contents58
- Chassis-Lifting Guidelines59
- General Rack Installation Guidelines59
- Cabling Guidelines61
CHAPTER 3 Installing the Cisco Cbr Chassis63
- Installation Methods63
- Verifying Rack Dimensions63
- Installing Chassis Installation Brackets64
- Attaching the Chassis Rack-Mount Brackets65
- Installing the Chassis Installation Handle (Optional)67
- Installing the Cisco Cbr-8 in a Rack68
  - Installing the Cisco Cbr in a Four-Post Rack69
  - Installing the Cisco Cbr in a Two-Post Rack71
- Attaching the Cable-Management Brackets73
- Attaching the Fiber or Cable Routing Guide on Chassis74
- Attaching a Chassis Ground Connection78
CHAPTER 4 Installing the Fan Module in Cisco Cbr81
- Installing the Fan Module in the Cbr Chassis81
CHAPTER 5 Installing the Power System in the Cisco Cbr Chassis85
- Installing the Power Cassette Module in the Cisco Cbr Chassis85
- Installing the FPEM in the Cisco Cbr Chassis87
- Installing the Power Module in the Cisco Cbr Chassis89
- Connecting Power to the AC-Powered Cisco Cbr Chassis92
- Connecting Power to the DC-Powered Cisco Cbr Chassis93
CHAPTER 6 Installing the Supervisor in the Cisco Cbr Chassis97
- Installing the Supervisor 160G97
- Installing the Supervisor 250G117
CHAPTER 7 Installing the Interface Line and PIC Cards149
- Installing the DOCSIS MAC/PHY Interface and PIC Card149
- Installing the DOCSIS MAC Interface and PIC Card158
  - Installing Digital PIC in the Cisco Cbr Chassis158
  - Installing the DOCSIS MAC Interface Line Card in the Cisco Cbr Chassis160
CHAPTER 8 Powering up the Cisco Cbr Chassis167
- Powering up the Cisco Cbr167
Chapter 9 C H a P T E169
Monitoring the Cisco Cbr Chassis169
- Monitoring the Cisco Cbr Chassis Using CLI169
Monitoring the Fan Module in Cisco Cbr177
- Monitoring the Fan Module on the Cisco Cbr Using Leds177
- Monitoring the Fan Module Using CLI in the Cisco Cbr Chassis178
Monitoring the Power System in the Cisco Cbr Chassis179
- Monitoring the Power System in the Cisco Cbr Chassis Using Leds179
- Monitoring the Power System in the Cisco Cbr Chassis Using CLI181
C H a P T E183
Monitoring the Supervisor in the Cisco Cbr Chassis183
- Monitoring the Supervisor 160G in the Cisco Cbr Chassis Using Leds184
- Monitoring the Supervisor 250G in the Cisco Cbr Chassis Using Leds187
C H a P T E191
Monitoring the Interface Card in the Cisco Cbr Chassis191
- Monitoring the Interface Line Cards in the Cisco Cbr Chassis Using Leds191
- Monitoring the Digital Physical Interface Cards in the Cisco Cbr Chassis Using Leds192
C H a P T E193
Maintaining the Cisco Cbr Chassis193
- Powering down the Cisco Cbr Chassis193
- Unmounting the Cisco Cbr Chassis193
C H a P T E195
Maintaining the Fan Module for Cisco Cbr195
- Removing the Fan Module from the Cisco Cbr Chassis195
C H a P T E197
Maintaining the Power System in the Cisco Cbr Chassis197
- Removing the AC Power Connections from the Cisco Cbr Chassis197
- Removing the DC Power Connections from the Cisco Cbr Chassis198
- Removing the Power Module from the Cisco Cbr Chassis199
- Removing the FPEM from the Cisco Cbr Chassis201
- Removing the Power Cassette Module from the Cisco Cbr Chassis203
C H a P T E207
Maintaining the Supervisor in the Cisco Cbr Chassis207
- Maintaining the Supervisor 160G207
- Maintaining the Supervisor 250G215
C H a P T E223
Maintaining the Interface Cards in the Cisco Cbr Chassis223
- Maintaining the DOCSIS MAC/PHY Interface and PIC Card223
- Maintaining the DOCSIS MAC Interface and PIC Card231
  - Removing the DOCSIS MAC Interface Line Card from the Cisco Cbr Chassis231
  - Removing the Digital PIC from the Cisco Cbr Chassis233
C H a P T E237
Maintaining the PHY Modules in the Cisco Cbr Chassis237
- Removing the Downstream PHY Module in the Interface Line Card237
- Installing the Downstream PHY Module in the Interface Line Card239
- Removing the Upstream PHY Module in the Interface Line Card240
- Installing the Upstream PHY Module in the Interface Line Card242
C H a P T E243
Maintaining the Air Filter in the Cisco Cbr Chassis243
- Removing the Air Filter on a Card243
- Installing the Air Filter on a Card245
Online Insertion and Removal of Cards on the Cisco Cbr257
- About OIR257
- What Does an OIR Do257
- Guidelines for Performing an OIR258
- OIR on Cisco Cbr258
- How Do I Perform an OIR258
- Verifying Status after an OIR259
CHAPTER 22 Troubleshooting the Cisco Cbr263
- Troubleshooting the Fan Module in the Cisco Cbr263
- Troubleshooting the Power System in the Cisco Cbr265
- Troubleshooting the Interface Cards in Cisco Cbr Chassis265
- General Troubleshooting267

Cisco cBR Series - General Troubleshooting

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