User's Manual
Table Of Contents
- Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide
- Contents
- Preface
- Introduction
- Preparing to Install the Router
- Installing the Router
- Mounting Kits Overview
- General Safety Information for Mounting
- Contents of the Mounting Kits
- Customer-Supplied Materials and Tools
- Router-Mounting Instructions
- Connecting the Chassis Ground and Power
- Opening the Router Chassis
- Power Connection Compliance
- Connecting the DC Power Cable to the Router
- AC Power Cable
- Connecting the AC Power Cable to the Router
- Connecting Cables
- Antenna Installation and Replacement
- Powering on the Router
- Enabling Zero Touch Provisioning on the Router
- Using CLIs for Flash Memory and Directory Procedures
- What to Do After Installing the Hardware
- Troubleshooting
- Specifications and Part Numbers
- Cable Specifications
- Site Log
CHAPTER 4
Troubleshooting
If you encounter problems while the router is in operation, use the information in this appendix to help isolate
problems or to eliminate the router as the source of the problem.
If you cannot locate the source of the problem, contact a customer service representative for information on
how to proceed. For technical support information, see the Cisco Information Packet publication that shipped
with your router. Before you call, have the following information ready:
•
Chassis type and serial number
•
Maintenance agreement or warranty information
•
Type of software and version number
•
Date you received the new chassis
•
Brief description of the problem
•
Brief explanation of the steps you took to isolate the problem
Ensure you provide the customer service representative with any upgrade or maintenance information that
was performed on the router after your initial installation (see Site Log, on page 85for Site Log
information.)
Note
This appendix contains the following sections:
•
Problem Solving , page 67
•
Reading LEDs , page 70
Problem Solving
To solve a problem, isolate the problem to a specific subsystem by comparing the current router activity to
the expected router activity.
The LEDs on the bottom panel of the router enable you to determine router performance and operation. For
a description of these LEDs, see
Reading LEDs , on page 70.
When solving a problem, check the following router subsystems:
Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide
OL-29732-01 67