CHAPT ER
4-1
CiscoASR 9000 Series Aggregation Services Router Hardware Installation Guide
4
Troubleshooting the Installation
This chapter contains general troubleshooting information to help isolate the cause of any difficulties
you might encounter during the installation and initial startup of the system.
Although an overtemperature condition is unlikely at initial startup, environmental monitoring functions
are included in this chapter because they also monitor internal voltages.
•Troubleshooting Overview, page4-1
•Troubleshooting the Power Subsystem, page4-7
•Troubleshooting the Route Processor Subsystem, page4-19
•Troubleshooting the Cooling Subsystem, page4-32

Troubleshooting Overview

This section describes the methods used in troubleshooting the router. The troubleshooting methods are
organized according to the major subsystems in the router.
If you are unable to solve a problem on your own, you can contact a Cisco customer service
representative for assistance. Cisco customer service and technical support can be reached at:
http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html
When you call, please have the following information ready:
•Date you received the router and the chassis serial number (located on a label on the back of the
chassis).
•Installed line cards and Cisco software release number:
–
Use the show version command to determine which line cards are installed and the Cisco
software release number, if possible.
•Brief description of the symptoms and steps you have taken to isolate and solve the issue.
•Maintenance agreement or warranty information.