3Com 3CR17451-91, 3CR17450-91 manual Ważne informacje o zabezpieczeniach

Page 67

Wa¿ne informacje o zabezpieczeniach 65

privato) o a una rete telefonica pubblica. Collegare a queste porte solo prese dati RJ-45, sistemi di telefonia o telefoni di rete. A queste prese dati è possibile collegare cavi dati schermati o non schermati con prese dati schermate o non schermate.

AVVERTENZA: una volta inserito il modulo nello switch, stringere le due viti trattenute utilizzando un cacciavite idoneo. Conservare il pannello di copertura e i pezzi di montaggio in un luogo sicuro. Se il modulo viene rimosso sarà necessario ricollocare il pannello.

AVVERTENZA: Porte a fibre ottiche - Protezione degli occhi

PRODOTTO LASER

CLASSE 1

Non guardare mai il laser di trasmissione attraverso uno strumento ottico di ingrandimento quando è acceso. Non guardare mai direttamente la porta TX a fibre ottiche e le estremità del cavo a fibre ottiche quando sono accese.

L'esecuzione di procedure o regolazioni non previste dalle istruzioni fornite in questa guida può provocare emissioni laser nocive.

Ważne informacje o zabezpieczeniach

OSTRZEŻENIE: Instalacja i demontaż urządzenia mogą być wykonywane tylko przez wykwalifikowany personel.

OSTRZEŻENIE: Podczas instalacji Switch 3870 w stosie z urządzeniami SuperStack II lub SuperStack 3, które są węższe niż Switch 3870, urządzenie Switch 3870 musi być zainstalowane pod węższym urządze- niem.

OSTRZEŻENIE: Urządzenie musi być uziemione lub musi być

podłączone do uziemionego źródła zasilania w celu zapewnienia zgod- ności z wymogami bezpieczeństwa.

OSTRZEŻENIE: Zestaw przewodów zasilania:

Image 67

Contents SuperStack 3 Switch 3870 Family Getting Started Guide United States Government Legend 3Com Corporation Campus Drive Marlborough MA USAContents Setting UP for Management PIN-OUTS Page About this Guide Icon Description ConventionsConvention Description Documentation RelatedDocumentation documentation Comments To access the online documentation from the CD-ROM3870 SwitchHardware Features Switch Front View Detail Switch1000BASE-T Ports Stacking Status LED Color Indicates Port Status/Packet LEDsStack Master LED Unit LED Power/Self Test LEDFault LED Color Indicates Module LEDsView Detail Port Speed Feature Switch Port StatusDuplex Mode Type of Unit Total Units in the Stack Maximum Modules PortDefault Settings Introducing the Superstack 3 Switch Installing the Switch Choosing a Suitable Package ContentsSite Rack-mounting Power lines and fluorescent lighting fixturesTo rack-mount your Switch Switch, as shown in FigureFitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the SwitchSequence Power-upPowered-up and ready for operation SwitchCross-over Cable Straight-through Cable Power System outputSFP Operation Remove the plastic protective cover if fitted Transceiver Your SwitchRemoving an SFP Installing the Switch Setting UP for Management Overview Setting UpAutomatic IP Configuration Manual IP ConfigurationSetting UP for Management Pre-requisites Manually Configuring IP InformationSetting Up the Switch with IP Information Connecting the Workstation to the SwitchExample 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 Management Command LineInterface Management Web InterfaceWhere xxx.xxx.xxx.xxx is the IP address of the Switch Network Using TelnetOver the Network Setting Up WebInterface Choosing a BrowserDefault Users Setting Up SnmpPasswords Security Device User Modify operation on the web interface User Default Access Level Name PasswordProblem Solving Indicated by LEDs Solving ProblemsPower/Self Test LED does not light On powering-up, the Power/Self Test LED remains yellowPort Status LED is flashing green/yellow ProblemsRefer to the list of suggested solutions below Solving HardwareUnit fails or Snmp thermal shutdown trap is received Fan failure warning message 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 This must be approved for the country where it is used Power Cord Set Japan Important Safety InformationImportant Safety Information Class ’information de Sécurité Importante’information de Sécurité Importante Dispositif Laser De Classe Vorsicht Europe Wichtige SicherheitsinformationenLaser Gerät der Klasse Información de seguridad importanteSchuko Appendix a Safety Information CSA Importanti Informazioni di SicurezzaSolo 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 Pin Number 10/100 1000 Modem CableRJ-45 Pin Assignments RJ-45 to RS-232 25-pinPin Number 10/100 1000 Appendix B PIN-OUTS Switch 3870 24 Port Switch 3870 48 Port Purchase Product to Gain Service BenefitsServices Register YourTelephone Technical Access SoftwareDownloads Contact UsAustralia 800 678 Philippines US and Canada Telephone Technical Support and Repair Index SFP Page Chapter Index Regulatory Notices