Cisco Systems 4490

Chapter 4 Troubleshooting the S ystem Hardware

Checking Connections

4-4

Cisco Global Site Selector 4490 Hardware Installation Guide

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6. Power up the system.

Is the problem resolved?

–

Yes . The connections were loose . You have fixed the problem.

–

No. Call your service representative. Refer to the Preface.

Contents

Main Page Page Page CONTENTS Page Page Page Page Page Page Page Preface Audience How to Use This Guide Related Documentation Symbols and Conventions xviii xix xx xxi Page Introduction Introduction System Hardware Features Page Hardware Features Front Panel Control Buttons LED Indicators 1 32 4 4 36 5 Input/Output Ports and Connectors Page Ethernet Port Console Port Page Page Page Preparing for Installation 2-2 Safety Warnings Before you install the Cisco Global Site Selector 4490, observe the following safety warnings. 2-3 2-4 2-5 Site Requirements Choosing a Site for Installation Ensuring Overcurrent Protection Grounding the GSS 4490 Safety Guidelines General Precautions Page Protecting Against Electrostatic Discharge Rack Installation Safety Guidelines Ensuring Proper Airflow Stabilizing the System Lifting the System Page Installing the Cisco Global Site Selector 4490 Unpacking and Inspecting the Global Site Selector 4490 If the Product is Damaged Tools and Parts Required Page Installing Your Unit Installing the Chassis in a Four-Post Rack Page Page Page Page Installing the Chassis in a Two-Post Rack Page Installing the Chassis on a Workbench or Tabletop Connecting Cables Connecting Power Booting the System Checking the Front Panel LEDs 1 32 4 Removing or Replacing a Cisco Global Site Selector 4490 Page Troubleshooting the System Hardware Checking the Basics Page Checking Connections Page Maintaining the Cisco Global Site Selector 4490 Maintaining Your Site Environment Temperature Humidity Altitude Dust and Particles Corrosion Electrostatic Discharge Electromagnetic and Radio Frequency Interference Magnetism Power Source Interruptions Using Power Protection Devices Surge Protectors Line Conditioners Uninterruptible Power Supplies A Specifications Page B Connecting a Modem to the GSS 4490 Console Port Configuring a Modem Cabling a Modem to the GSS 4490 Page C Regulatory Compliance and EMI Class A Warnings Regulatory Compliance EMI Class A Warning Statements FCC Class A Warning Canada Class A Warning C-4 CISPR 22 Class A Warning VCCI Class A Notice for Japan Taiwan and Other Traditional Chinese Markets Class A Warning C-5 Hungary Class A Warning Page INDEX A B C D E F G H I L M N P S T U W