Compaq HB1004 manual Twisted Pair Cable, Table B-2 RJ-45 Port Pin Assignments

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B-3

Table B-2

RJ-45 Port Pin Assignments

Pin	Assignment	Assignment
	(Hub Ports 1 – 4)	(MDI/MDI-X Port, other Device)
1	Input Receive Data +	Output Transmit Data +

2	Input Receive Data -	Output Transmit Data -

3	Output Transmit Data +	Input Receive Data +

6	Output Transmit Data -	Input Receive Data -

4, 5, 7, 8	Not Used	Not Used

Twisted Pair Cable

Figure B-1 shows the wiring for Straight-Through and Crossover twisted-pair cable.

S tra ig ht-T hro u gh

	(Hub)	(Adapter)
1	IRD+	1	O TD+
2	IRD -	2	O TD -
3	O TD+	3	IRD+
6	O TD -	6	IRD -

C ro ssove r

	(Hub)	(Hub)
1	IRD+	1	IRD+
2	IRD -	2	IRD -
3	O TD+	3	O TD+
6	O TD -	6	O TD -

Figure B-1Straight-through and Crossover UTP cables

Compaq HB1004 10Base-T Ethernet Hub

Image 38

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