3Com 3CR17451-91, 3CR17450-91 manual Pin-Outs

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Solving Software Upgrade Problems			51

SAFETY INFORMATION
Power Cord Set — Japan		54
Important Safety Information 54
L’information de Sécurité Importante			56
Wichtige Sicherheitsinformationen 59
Información de seguridad importante			60
Importanti Informazioni di Sicurezza			63
Ważne informacje o zabezpieczeniach			65

PIN-OUTS
Null Modem Cable	69
PC-AT Serial Cable	69
Modem Cable 70
RJ-45 Pin Assignments		70

TECHNICAL SPECIFICATIONS
Switch 3870 (24 Port)		73
Switch 3870 (48 Port)		74

OBTAINING SUPPORT FOR YOUR PRODUCT

Register Your Product to Gain Service Benefits 75

Purchase Value-Added Services	75
Troubleshoot Online 75
Access Software Downloads	76

Contact Us 76

Telephone Technical Support and Repair 76

INDEX

REGULATORY NOTICES

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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 Convention Description ConventionsIcon Description Documentation documentation RelatedDocumentation Comments To access the online documentation from the CD-ROM3870 SwitchHardware Features Switch Front View Detail Switch1000BASE-T Ports Stack Master LED Color Indicates Port Status/Packet LEDsStacking Status LED Fault LED Power/Self Test LEDColor Indicates Module LEDs Unit LEDView Detail Duplex Mode Feature Switch Port StatusType of Unit Total Units in the Stack Maximum Modules Port Port SpeedDefault Settings Introducing the Superstack 3 Switch Installing the Switch Site Package ContentsChoosing a Suitable To rack-mount your Switch Power lines and fluorescent lighting fixturesSwitch, as shown in Figure Rack-mountingFitting a bracket for rack-mounting Repeat steps 2 and 3 for the other side of the SwitchPowered-up and ready for operation Power-upSwitch SequenceCross-over Cable Straight-through Cable Power System outputSFP Operation Remove the plastic protective cover if fitted Removing an SFP Your SwitchTransceiver 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 Automatically Configured IPViewing Viewing Automatically Configured IP Information Viewing IP Information via the Console Port Refer to Setting Up Command Line Interface Management on Interface Management Command LineWeb Interface ManagementWhere xxx.xxx.xxx.xxx is the IP address of the Switch Network Using TelnetInterface Setting Up WebChoosing a Browser Over the NetworkPasswords Setting Up SnmpDefault Users Security Device User Modify operation on the web interface User Default Access Level Name PasswordProblem Solving Power/Self Test LED does not light Solving ProblemsOn powering-up, the Power/Self Test LED remains yellow Indicated by LEDsRefer to the list of suggested solutions below ProblemsSolving Hardware Port Status LED is flashing green/yellowUnit fails or Snmp thermal shutdown trap is received Fan failure warning message is receivedIP Addressing Solving Communication ProblemsError message indicating that the SFP transceiver is faulty 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 RJ-45 to 9-pin PC-AT Serial CableNull Modem Cable RJ-45 to RS-232 25-pin RJ-45 Pin Assignments Modem CableRJ-45 to RS-232 25-pin Pin Number 10/100 1000Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 3870 24 Port Switch 3870 48 Port Services Product to Gain Service BenefitsRegister Your PurchaseDownloads Access SoftwareContact Us Telephone TechnicalAustralia 800 678 Philippines US and Canada Telephone Technical Support and Repair Index SFP Page Chapter Index Regulatory Notices