Cisco Systems 78-16356-01 Environmental Specifications, Specification Operational Non-operational

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Appendix A Specifications

Environmental Specifications

Environmental Specifications

Table A-2describes the GSS environmental specifications.

Table A-2 Environmental Specifications

Specification	Operational	Non-operational

Temperature	10 to 40° C	-20° to 60° C

Humidity	90% at 40° C	90% at 60° C
	(non-condensing)	(non-condensing)

Shock	31 G sinewave	71 G sine, 20 G square

Vibration	0.25 Grms from 3 to 500 Hz	0.5 Grms from 3 to 200 Hz

Acoustic	50 dBa (maximum)	Not applicable
Noise

Note G is the unit of acceleration due to gravity, where 1 G equals 32.17 ft/sec2 (9.81 m/sec2).

Grms is the root mean square value of acceleration.

	Cisco Global Site Selector 4491 Hardware Installation Guide
A-2	78-16356-01

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Contents Cisco Global Site Selector 4491 Hardware Installation Guide Page Cisco Global Site Selector 4491 Hardware Installation Guide Page N T E N T S Installing the GSS Maintaining Your GSS Cabling a Modem to the GSS B-4 Figure B-1 Page Port Specifications A-3 Xii Preface Audience How to Use This Guide Chapter/Appendix DescriptionRelated Documentation Document Title ProvidesSymbols and Conventions XviiBewaar Deze Instructies Varoitus Tärkeitä TurvallisuusohjeitaWarnung Wichtige Sicherheitshinweise Avvertenza Importanti Istruzioni Sulla SicurezzaTA Vare PÅ Disse Instruksjonene Aviso Instruções Importantes DE SegurançaVarning! Viktiga Säkerhetsanvisningar Spara Dessa AnvisningarXxii Introduction IntroductionSystem Hardware Features Front Panel Features Rear Panel FeaturesFront Panel Features Front Panel ViewIndicator Color State Indicates LED IndicatorsRear Panel Features Rear Panel ViewPorts and Connectors Console PortPin Signal Definition Parameters SettingsShell Ethernet Connectors Ethernet Port 0 Pin NumbersPreparing for Installation Safety Preparing for Installation Safety Preparing for Installation Safety Preparing for Installation Safety General Precautions Maintaining Safety with ElectricityProtecting Against Electrostatic Discharge Preparing Your Site for Installation Choosing a Site for Installation EnvironmentalAC Power Ensuring Overcurrent ProtectionGrounding the GSS Creating a Safe Environment Precautions for Rack-Mounting CablingRequired Tools and Equipment Installing the GSS Unpacking and Inspecting the GSS If the Product is DamagedInstalling Your GSS Installing the GSS in a Four-PostRack Rack Rail Components Attaching the Telescopic Rails to the Rack Assembly Telescoping the Rail Attaching Front Rail to the Right Side of the Rack Telescopic Rail Adjustment Screws Attaching Back Rail to the Right Side of the Rack Inserting the GSS into the Rack Attaching a Two-Post Rack Bracket to the GSS Sliding the GSS into the Four-post RackAttaching the Right Bracket to the Right Side of the GSS Installing the GSS on a Workbench or Tabletop Connecting Cables 10 GSS Back Panel Ports and ConnectorsConnecting AC Power Booting the GSS Establishing a Serial Console Connection Checking the Front Panel LEDs 11 GSS 4491 Front Panel LEDsRemoving or Replacing a GSS Installing the GSS Removing or Replacing a GSS Installing the GSS Removing or Replacing a GSS Troubleshooting the GSS Hardware Checking the BasicsChecking Connections Troubleshooting the GSS Hardware Checking Connections Troubleshooting the GSS Hardware Checking Connections Maintaining Your GSS Maintaining Your Site EnvironmentTemperature Humidity AltitudeDust and Particles CorrosionElectrostatic Discharge Electromagnetic and Radio Frequency Interference Power Source Interruptions MagnetismUsing Power Protection Devices Surge ProtectorsUninterruptible Power Supplies Line ConditionersElectrical Specifications AC Specification OperationalEnvironmental Specifications Specification Operational Non-operationalPhysical Specifications Port SpecificationsDescription Specification Appendix a Specifications Port Specifications Connecting a Modem to the GSS Console Port Configuring a Modem Table B-1connector pinouts for the GSS console portTable B-1 Console Port Connector Pinouts Figure B-2 Rear Panel Ports and Connectors Cabling a Modem to the GSSParameters Default Settings 78-16356-01 D E IN-2 IN-3 IN-4 IN-5 IN-6