3Com 3CR17450-91, 3CR17451-91 manual Package Contents, Choosing a Suitable, Site

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20CHAPTER 2: INSTALLING THE SWITCH

AVVERTENZA: Informazioni di sicurezza. Prima di installare o rimuovere qualsiasi componente dal Switch 3870 o di eseguire qualsiasi procedura di manutenzione, leggere le informazioni di sicurezza riportate nell'Appendice A della presente guida per l'utente.

OSTRZEŻENIE: Informacje o zabezpieczeniach. Przed instalacją lub usunięciem jakichkolwiek elementów z product lub przeprowadzeniem prac konserwacyjnych należy zapoznać się z informacjami o bezpieczeństwie zawartymi w Załączniku A niniejszego podręcznika.

Package Contents	■	Switch unit
	■	CD-ROM
	■	This Guide
	■ Management Quick Reference Guide
	■	Release Notes
	■	Warranty Flyer
	■	Power Cord
	■ 2 x securing brackets
	■	8 x screws
	■ 4 x rubber feet
	■ RJ-45 to DB9 converter cable

Choosing a Suitable	The Switch 3870 is suited for use in an internal wiring closet, a network
Site	room, or telecommunications room, where it can be mounted in a
	standard 19-inch equipment rack, or free-standing.

CAUTION: Ensure that the ventilation holes are not obstructed.

To ensure this product provides optimum performance, high speed fans are used to provide ventilation. These fans have a high audible output while running at full speed. The Switch 3870 is designed to reduce the fan speed shortly after power on (if thermal conditions allow) which will also reduce the fan noise generated.

When deciding where to position the Switch, ensure that: ■ Cabling is located away from:

■ sources of electrical noise such as radios, transmitters and broadband amplifiers.

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Contents SuperStack 3 Switch 3870 Family Getting Started Guide 3Com Corporation Campus Drive Marlborough MA USA United States Government LegendContents Setting UP for Management PIN-OUTS Page About this Guide Icon Description ConventionsConvention Description Documentation RelatedDocumentation documentation To access the online documentation from the CD-ROM CommentsSwitch 3870Hardware Features Switch Switch Front View Detail1000BASE-T Ports Stacking Status LED Color Indicates Port Status/Packet LEDsStack Master LED Color Indicates Module LEDs Power/Self Test LEDFault LED Unit LEDView Detail Type of Unit Total Units in the Stack Maximum Modules Port Feature Switch Port StatusDuplex Mode Port SpeedDefault Settings Introducing the Superstack 3 Switch Installing the Switch Choosing a Suitable Package ContentsSite Switch, as shown in Figure Power lines and fluorescent lighting fixturesTo rack-mount your Switch Rack-mountingRepeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mountingSwitch Power-upPowered-up and ready for operation SequencePower System output Cross-over Cable Straight-through CableSFP Operation Remove the plastic protective cover if fitted Transceiver Your SwitchRemoving an SFP Installing the Switch Setting UP for Management Setting Up OverviewManual IP Configuration Automatic IP ConfigurationSetting UP for Management Manually Configuring IP Information Pre-requisitesConnecting the Workstation to the Switch Setting Up the Switch with IP InformationExample top-level command line interface menu Viewing Configured IPAutomatically Viewing Automatically Configured IP Information Viewing IP Information via the Console Port Refer to Setting Up Command Line Interface Management on Web Interface Command LineInterface Management ManagementNetwork Using Telnet Where xxx.xxx.xxx.xxx is the IP address of the SwitchChoosing a Browser Setting Up WebInterface Over the NetworkDefault Users Setting Up SnmpPasswords User Default Access Level Name Password Security Device User Modify operation on the web interfaceProblem Solving On powering-up, the Power/Self Test LED remains yellow Solving ProblemsPower/Self Test LED does not light Indicated by LEDsSolving Hardware ProblemsRefer to the list of suggested solutions below Port Status LED is flashing green/yellowFan failure warning message is received Unit fails or Snmp thermal shutdown trap is receivedError message indicating that the SFP transceiver is faulty Solving Communication ProblemsIP Addressing How do you obtain a registered IP Address? Solving Software Upgrade Problems Problem Solving Safety Information Power Cord Set Japan Important Safety Information This must be approved for the country where it is usedImportant Safety Information ’information de Sécurité Importante Class’information de Sécurité Importante Dispositif Laser De Classe Wichtige Sicherheitsinformationen Vorsicht EuropeInformación de seguridad importante Laser Gerät der KlasseSchuko Appendix a Safety Information Importanti Informazioni di Sicurezza CSASolo Regno Ważne informacje o zabezpieczeniach Appendix a Safety Information Laser Produkt Klasa Appendix a Safety Information Null Modem Cable RJ-45 to RS-232 25-pin PC-AT Serial CableRJ-45 to 9-pin RJ-45 to RS-232 25-pin Modem CableRJ-45 Pin Assignments Pin Number 10/100 1000Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 3870 24 Port Switch 3870 48 Port Register Your Product to Gain Service BenefitsServices PurchaseContact Us Access SoftwareDownloads Telephone TechnicalAustralia 800 678 Philippines US and Canada Telephone Technical Support and Repair Index SFP Page Chapter Index Regulatory Notices