HP J3188A manual Installing and Configuring Your Hub, Verify included parts

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Installing the Hub

Installing the Hub

Installing and Configuring Your Hub

Installing and Configuring Your Hub

To install and configure your hub, you must complete five basic tasks. They are:

■locating and verifying the necessary parts

■connecting an external transceiver (if necessary)

■connecting the hub to a power source

■mounting the hub

■connecting the hub to your network

1. Verify included parts

Each Hub-16M has the following components shipped with it:

■HP 10Base-T Hub-16M (J3188A) Installation and Reference Guide— this manual (J3188-90001)

■A U.S./Canada/Mexico (8120-1378) power cord.

■Accessory kit (5064-2053):

•bumper feet (4)

•hub-to-rack screws 10-32 (4)

•bracket-to-hub screws 10-32 (4)

•nylon finishing washer (4)

•bracket-to-hub screws (2)

•AUI retainer assembly

2. Connect the external transceiver

Because of the way the external transceiver protrudes out from hub once it is connected, you may want to install the external transceiver before installing the hub. Inspect your installation site and identify whether enough room will be available for the external transceiver to be connected. Then see your external transceiver guide for installation instructions.

3. Verify the hub operates correctly

Before mounting the hub, connect it to a power source and verify the hub will operate correctly.

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Contents HP J3188A Page Installation and Reference Guide HP 10Base-T Hub-16M J3188APublication Number HP 10Base-T Hub-16M J3188A Front of the HubBack of the Hub IiiFeatures Network ConnectionsContents Cables and Connectors Security Information ViiPage Installing the Hub Installing and Configuring Your Hub Verify included partsConnect the external transceiver Verify the hub operates correctlyCord connected directly to the hub for proper operation TimeLED PatternMount the hub Rack or Cabinet MountingTable Mounting Connect the hub to your network Connecting Devices to the Hub Connecting Hubs TogetherTwisted-Pair Cascade Connections Installing ThinLAN ConnectionsOhm terminator Connecting the Hub-16M to a Fiber-Optic Backbone Interpreting LED StatusInterpreting Hub Status LEDs Interpreting Port Status LEDs Following table provides LED port informationPage Troubleshooting Troubleshooting ApproachesUsing a Checklist to Diagnose the Hub Troubleshooting Using a Checklist to Diagnose the HubProblem Solution LED Operation Troubleshooting LED Operation Diagnostic TipsPower Coll Hub will automatically recover afterHub Maintenance Tasks Testing the Hub OnlyClearing a Password for the Ascii Console Troubleshooting Hub Maintenance Tasks Running Connectivity TestsObtaining Firmware Enhancements Setting up the Ascii Console Managing the HubDirectly, Using a Serial Cable and a Terminal Remotely, Using TelnetManaging the Hub Remotely, Using a Modem and a Terminal Starting the ConsoleConsole Command Reference Commands are described in the rest of the chapterExample HE ST This displays help for the Status command Syntax Conventions on Help ScreenBAckup Default DescriptionCDpstatus COuntersCounter Name Definition Valid Range RangeIPconfig When to Use IPconfigDIsconnect Configuring for Network Management Using Novell NetWare IPXUsing IP Following table explains the IP parametersParameter Default Value Definition MAnagers SHowCommand Manager Address IP or IPX Receive Alarms?To end your editing Displays the other devices that are using CDP protocol MEssageintervalNEighbor Table entry with ID 1 would now be a blank linePAssword Clear a passwordPIng Community nameREset POrt port ON/OFFRObustness Security Configuration Parameter Definitions SEcure portSHowCLearManaging the Hub Configuring Security on a Single Port Configuring Security on All Twisted-Pair PortsEavesdrop Prevention, must be set to on Address Selection Authorized Showing the Security Configuration Clearing Security Violation IndicatorsSPeed new speed STatusStatus Information What It Means Network links, see the , Troubleshooting TEstlink16M will respond with the correct packet To sendPage Cables and Connectors Recommended CablesFollowing table shows PC connections to the RS-232 port Cables and Connectors Following table shows network connections to the hubCable Function Cable Type HP Product Number Twisted-Pair Cable/Connector Pin-Outs Pins 1 and 2 must be a twisted pairPins 3 and 6 must be a twisted pair Twisted-Pair Cable for Hub-to-Computer Network ConnectionRS-232 Connector and Cable Pin-Outs Installer for assistance with your cabling requirementsCable pin-out described below Minimum pin-out will function correctlySignal Minimum Cable Pinout for Ascii Console ConnectionRS-232 Modem Cable Twisted-Pair Cable Pin Assignments Twisted-Pair Straight-Through CableHub End MDI-X Specifications PhysicalElectrical EnvironmentalConnectors SpecificationsElectromagnetic Modem Configuration US Robotics Courier V.FC/V.34Megahertz XJ2288 Pcmcia card modem Practical Peripherals PM288MT II Intel 14.4EXSupra FAX Network Addressing Communication Between the Hub Network Management StationIPX Addressing for Novell NetWare IP Addresses for IP and Non-IP NetworksIPX Addressing Notes Globally Assigned IP Network AddressesDevice IP Configuration CountryCompany Name/Address Using Bootp Bootp ProcessBootp Table File Entries Definitions of the table entry fieldsPage Backup Links How Backup Links WorkBackup Links LimitationsAdditional Notes Examples of Backup Links How the Backup Function WorksHub to a Switch Hub to a ServerT e G g e s t i o n Hub can monitor only one linkConfiguring a Backup Link Configuration/Installation SequenceIdentifying the Backup Link Indications of Backup Link ActivationReactivating the Primary Link Page Security Information Understanding Network SecurityHow Intruder Prevention Works How Eavesdrop Prevention WorksAuthorized MAC address Security InformationAssigning the Authorized MAC address Setting Inbound Security with Intruder Prevention Auto Port Disable Send AlarmSetting Outbound Security with Eavesdrop Prevention Security Information Page Safety and Regulatory Statements Mounting PrecautionsPower Precautions Temperature might exceed 45C 113FSettings to configure Equipment and should be easily accessibleSafety Information GroundingInformations concernant la sécurité Tible de causer des dommages à léquipementHinweise zur Sicherheit Considerazioni sulla sicurezza Consideraciones sobre seguridad Safety Information Japanese Regulatory Statements FCC Class a Statement for U.S.A. OnlyEuropean Community CanadaDeclaration of Conformity Index IndexDiagnosing with the LEDs … 2-2 diagnostic tests Late collision … 3-13 mounting the hub … LED description … Verifying hub operation … Page J3188-90001