Cisco Systems 3120 manual Environmental Requirements, Choosing a Site for Installation

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Chapter 2 Preparing for Installation

Preparing Your Site for Installation

Environmental Requirements

When planning your site layout and equipment locations, remember the precautions described in this section to help avoid equipment failures and reduce the possibility of environmentally caused shutdowns. If you are experiencing shutdowns or unusually high errors with your existing equipment, these precautions will help you isolate the cause of failures and prevent future problems.

Use the following precautions when planning the operating environment for your AVS 3120.

•Always follow the ESD-prevention procedures described in the “Protecting Against Electrostatic Discharge” section to avoid damage to equipment. Damage from static discharge can cause immediate or intermittent equipment failure.

•Make sure that the chassis cover is secure. The chassis allows cooling air to flow effectively within it. An open chassis allows air leaks, which could interrupt and redirect the flow of cooling air from internal components.

•Electrical equipment generates heat. Ambient air temperature might not be adequate to cool equipment to acceptable operating temperatures without adequate circulation. Make sure that the room in which you operate has adequate air circulation.

Choosing a Site for Installation

Warning This unit is intended for installation in restricted access areas. A restricted access area is where access can only be gained by service personnel through the use of a special tool, lock and key, or other means of security. Statement 1017

Follow these guidelines when choosing a site for installation:

•Choose a site with a dry, clean, well-ventilated and air-conditioned area.

•Choose a site that maintains an ambient temperature of 0° to 40°C (32° to 104°F).

Ensuring Overcurrent Protection

The AVS 3120 relies on the protective devices in the building installation for protection against short-circuit, overcurrent, and earth (grounding) fault. Ensure that the protective devices in the building installation are properly rated to protect the AVS 3120, and that they comply with national and local codes.

Grounding the AVS 3120

Warning This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available. Statement 1024

Cisco AVS 3120 Application Velocity System Hardware Installation Guide

 

OL-11805-01

2-7

 

 

 

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Contents Text Part Number OL-11805-01 Corporate HeadquartersPage N T E N T S Removing or Replacing an AVS 3120 Altitude OL-11805-01 Audience PrefaceChapter/Appendix Description OrganizationRelated Documentation Bewaar Deze Instructies ConventionsAvvertenza Importanti Istruzioni Sulla Sicurezza Warnung Wichtige SicherheitshinweiseGuarde Estas Instruções Aviso Instruções Importantes DE SegurançaGEM Disse Anvisninger Xiii Product Documentation DVD Obtaining DocumentationCisco.com Ordering Documentation Documentation FeedbackCisco Product Security Overview Product Alerts and Field Notices Reporting Security Problems in Cisco ProductsCisco Technical Support & Documentation Website Obtaining Technical AssistanceObtaining Additional Publications and Information Submitting a Service RequestDefinitions of Service Request Severity Xix OL-11805-01 Introduction Product OverviewFront Panel Features System Hardware FeaturesRear Panel Features Ports and ConnectorsIndicator Color Description Ethernet ConnectorsRJ-45 Cables Console Port Pin Signal DefinitionParameter Setting RJ-45 to DB-9 or DB-25 Adapter Signal RJ-45 Pin DB-9 /DB-25 PinOL-11805-01 Safety Preparing for InstallationPreparing for Installation Safety Page Maintaining Safety with Electricity General PrecautionsProtecting Against Electrostatic Discharge Copper foil Preparing Your Site for InstallationGrounding the AVS Choosing a Site for InstallationEnvironmental Requirements Ensuring Overcurrent ProtectionCabling AC Power RequirementsPower Supply Guidelines Creating a Safe EnvironmentPrecautions for Rack-Mounting Required Tools and Equipment Installing the AVS If the Product is Damaged Installing Your AVSUnpacking and Inspecting the AVS Attaching a Two-Post Rack Bracket to the AVS Attaching the Brackets to the Sides of the AVS Installing the AVS 3120 in a Two-Post Rack Installing the AVS 3120 on a Workbench or TabletopConnecting Cables Console Connection Connecting AC PowerBooting with a Console Connected Booting the AVSEstablishing a Serial Console Connection Velocityshow interface Configuring Network SettingsYou can view the DNS settings by using the show dns command Setting the Time Checking the Front Panel LEDs Indicator Color State IndicatesRemoving or Replacing an AVS Checking the Basics Troubleshooting the AVS 3120 HardwareChecking Connections Maintaining Your Site Environment Maintaining Your AVSAltitude TemperatureHumidity Electromagnetic and Radio Frequency Interference Dust and ParticlesCorrosion Electrostatic DischargePower Source Interruptions Line Conditioners Using Power Protection DevicesUninterruptible Power Supplies Surge ProtectorsOL-11805-01 Environment SpecificationsDimensions and Weight PowerOL-11085-01 Apache License Open Source License FilesAppendix B Open Source License Files Apache License END of Terms and Conditions OL-11805-01 D E IN-2 IN-3 IN-4
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