Manuals / 3Com / Computer Equipment / Switch

3Com 3C17204, 3C172203 manual Cross-over Cable Straight-through Cable

Models: 3C17204 3C172203

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The Power-up Sequence 25

want to make a connection to an MDI port, you need to use a standard straight-throughcable. See Table 8.

3Com recommends that you use Category 5 twisted pair cable — the maximum segment length for this type of cable is 100 m (328 ft).

Table 8 Cables required to connect the Switch 4400 to other devices if auto-negotiation is disabled

Cross-over Cable

Straight-through Cable

Switch to Switch (MDIX to MDIX)

Switch to Hub (MDIX to MDIX)

Switch to PC (NIC) (MDIX to MDI)

✓ ✕

✓ ✕

✕✓

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3Com 3C17204, 3C172203 manual Cross-over Cable Straight-through Cable

Contents

3C17203 3C17204 SuperStack3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Setting Up Command Line Interface Management Setting UP for ManagementOnline Technical Services World Wide Web Site Switch PortPIN -OUTS Null Modem Cable PC-AT Serial Cable RJ-45 Pin AssignmentsPage About this Guide List conventions that are used throughout this guide ConventionsText Conventions Icon DescriptionDocumentation RelatedRegistration Documentation ProductComments Pddtechpubscomments@3com.comIntroducing Hardware features Hardware Features SwitchFour groups supported Statistics, History, Alarms Software featuresEvent Front View Detail SwitchModule Packet LEDs Color Indicates Port Status LEDsModule Status LEDs Color Indicates Power/Self Test LEDUnit LEDs Switch 4400 Rear Switch 4400 rear view To your Switch. Contact your supplier for more informationView Detail Default Settings shows the default settings for the Switch Installing the Switch Package Contents Rack-mounting Top of Each Other Placing Units OnStacking Units Powering-up Power-upSwitch SequenceColor State Power/Self Test LED colorsCross-over Cable Straight-through Cable Installing the Switch Setting UP for Management IP Configuration Setting UpManual IP Configuration OverviewAutomatic IP Configuration Manual Setup Automatic Setup Initial Switch Setup MethodsConnecting the Workstation to the Switch Manual SetupPanel Port Pre-requisitesSetting Up the Switch with IP Information Configuring the Workstation with IP InformationConnecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Manual Setup Documentation supplied with the terminal emulation software Automatic Setup Viewing IP Information via the Console Port Example top-level command line interface menuCLI management via the console port Refer to Setting Up Command Line Interface Management onRefer to Setting Up Snmp Management on Refer to Setting Up Web Interface Management onNetwork Using Telnet Command LineInterface Management CLI Management viaInterface Setting Up WebChoosing a Browser Over the NetworkManagement Protocol Snmp can manage a Switch if Setting Up SnmpManagement workstation Documentation supplied with the Snmp network managementUser Default Access Level Name Password You can change the default passwords using eitherSecurity Device User Modify operation on the web interface For Technical Support information, see Appendix D Problem SolvingSolutions below Solving ProblemsPower LED does not light On powering-up, the Power/Self Test LED lights yellowSolving Hardware ProblemsUnit LED is flashing green An Snmp fan fail trap is receivedIP Addressing Solving Communication ProblemsHow do you obtain a registered IP Address? Problem Solving Safety Information This must be approved for the country where it is used Important Safety Information’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Null Modem Cable 9-pin to RS-232 25-pin PC-AT Serial CablePin to 9-pin Modem Cable ConnectorsRJ-45 Pin AssignmentsPin Number Signal Function Appendix B PIN-OUTS Switch 4400 24-port Technical Specifications Switch 4400 24-portStandards Supported Protocols Used for AdministrationTerminal Emulation Switch 4400 48-port Technical Specifications Switch 4400 48-portAppendix C Technical Specifications Online Technical ServicesUsername anonymous Europe and South Africa Asia, Pacific RimCountry Telephone Number Fax Number NET 3Com 408 326 800 638 Not toll-free Enterprise Customers Appendix D Technical Support Numbers IndexUnit information label Regulatory Notices