Compaq HB1004 manual Powering On the Hub, Making a Connection via the MDI/MDI-X Port Port

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2-4Installation

WARNING: Do not plug a phone jack connector into any RJ-45 port.

This may damage the hub. Instead, use only twisted-pair cables with

RJ-45 connectors.

NOTES: 1. Make sure each twisted-pair cable does not exceed 100 meters (328 feet) 2. When using Port 4 as an MDI-X port, set the port selection switch to MDI-X

Making a Connection via the MDI/MDI-X Port (Port 4)

1.To make a direct connection to a compatible hub or switch, use the MDI/MDI-X port (Port 4). When connecting to this port, remember to set the port selection switch to MDI. You can also connect any RJ-45 (MDI-X) port on the hub to an MDI/MDI-X port on the other device when the other device’s port is set to MDI.

2.Prepare straight-through shielded or unshielded twisted-pair cables with RJ-45 plugs at both ends. Use 100Ω Category 3, 4, or 5 cable for all RJ- 45 connections. When inserting an RJ-45 plug, be sure the tab on the plug clicks into position to ensure that it is properly seated.

NOTES: 1. To connect to another hub or switch, you may also attach to (MDI-X)

station ports at both ends if you use a crossover cable.

2.When using Port 4 as an MDI port, set the port selection switch to MDI.

3.When connecting to another 10Mb/s hub, you can cascade up to four hubs, and use up to 100 meters (328 feet) of cable between each inter-hub link.

Powering On the Hub

1.Plug the power cord into the power socket at the rear of the hub, and the other end into a power outlet (see Figure 2-4).

2.Turn on the power switch on the back of the hub ( I = on; 0 = off).

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Contents HB1004 10BASE-T HUB Compaq HB1004 10Base-T Hub User Guide Contents Appendix a Appendix C Features OverviewPackage Contents RJ-45 Ports LED IndicatorsHub Components Serial COM PortStatus Description Unit LEDsHub LED Conditions and Descriptions Port LED Conditions and Descriptions MDI/MDI-X Slide SwitchPort LEDs Mounting the Hub on a Flat Surface InstallationMounting the Hub Mounting the Hub in a Rack Connecting the Hub System Making a Connection via an MDI-X PortPowering On the Hub Making a Connection via the MDI/MDI-X Port PortConnecting the Power Cord Test Function/Component Diagnostic TestsLED Diagnostic Test Functions Hub and Port LED Indicators State Indication7A Sample Application Using the HB1004 10Base-T Ethernet Hub ApplicationsOut-of-Band Connection Setup and ConfigurationPreparing for Configuration Management Onsite ConnectionModem Connection Starting the Configuration Program In-Band Connection4Setup and Configuration Open box 6Setup and Configuration Compaq HB1004 System Configuration Main MenuMenu Item Description Main MenuCommon Menu Functions Function System Configuration SettingsCommon Menu Key Functions 10Setup and Configuration Displaying System InformationChanging System Configuration System Configuration ScreenAssigning Trap Managers InvalidConfiguring Port Parameters Network Performance14Setup and Configuration Downloading System SoftwareResetting the Configuration Reverting Configuration to Factory SettingsSaving a New Configuration Restarting the AgentSpecifications HB1004 10Base-T Ethernet HubNetwork Criteria Management SupportTable B-1 Diagnosing Hub Indicators TroubleshootingDiagnosing Hub Indicators Symptom Cause SolutionPort and Cable Assignments Power and Cooling ProblemsInstallation Pin Twisted Pair CableTable B-2 RJ-45 Port Pin Assignments Using Diagnostic Mode ConfigurationDescription MIB Object Factory Setting Factory SettingsTable B-3 Factory Default Settings DownloadExit European Union EU Notice Safety ComplianceCertification and Compliance Wichtige Sicherheitshinweise Germany2Certification and Compliance Index LED2Index