HP J3188A guide

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HP J3188A manual

Contents

HP J3188A Page HP 10Base-T Hub-16M J3188A Installation and Reference Guide Publication Number Iii HP 10Base-T Hub-16M J3188AFront of the Hub Back of the Hub Network Connections Features Contents Cables and Connectors Vii Security InformationPage Installing the Hub Verify the hub operates correctly Installing and Configuring Your HubVerify included parts Connect the external transceiver Time Cord connected directly to the hub for proper operation Pattern LED Rack or Cabinet Mounting Mount the hub Table Mounting Connect the hub to your network Connecting Devices to the Hub Connecting Hubs TogetherTwisted-Pair Cascade Connections ThinLAN Connections Installing Ohm terminator Interpreting LED Status Connecting the Hub-16M to a Fiber-Optic Backbone Interpreting Hub Status LEDs Following table provides LED port information Interpreting Port Status LEDsPage Troubleshooting Approaches Troubleshooting Using a Checklist to Diagnose the Hub Troubleshooting Using a Checklist to Diagnose the HubProblem Solution LED Operation Hub will automatically recover after Troubleshooting LED OperationDiagnostic Tips Power Coll Hub Maintenance Tasks Testing the Hub OnlyClearing a Password for the Ascii Console Troubleshooting Hub Maintenance Tasks Running Connectivity TestsObtaining Firmware Enhancements Managing the Hub Setting up the Ascii Console Directly, Using a Serial Cable and a Terminal Remotely, Using TelnetManaging the Hub Starting the Console Remotely, Using a Modem and a Terminal Syntax Conventions on Help Screen Console Command ReferenceCommands are described in the rest of the chapter Example HE ST This displays help for the Status command Default Description BAckup Range CDpstatusCOunters Counter Name Definition Valid Range IPconfig When to Use IPconfigDIsconnect Following table explains the IP parameters Configuring for Network ManagementUsing Novell NetWare IPX Using IP MAnagers SHow Parameter Default Value Definition Command Manager Address IP or IPX Receive Alarms?To end your editing Table entry with ID 1 would now be a blank line Displays the other devices that are using CDP protocolMEssageinterval NEighbor Community name PAsswordClear a password PIng REset POrt port ON/OFFRObustness SEcure portSHowCLear Security Configuration Parameter Definitions Managing the Hub Configuring Security on a Single Port Configuring Security on All Twisted-Pair PortsEavesdrop Prevention, must be set to on Address Selection Authorized Clearing Security Violation Indicators Showing the Security Configuration STatus SPeed new speed Status Information What It Means To send Network links, see the , TroubleshootingTEstlink 16M will respond with the correct packetPage 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 for Hub-to-Computer Network Connection Twisted-Pair Cable/Connector Pin-OutsPins 1 and 2 must be a twisted pair Pins 3 and 6 must be a twisted pair Minimum pin-out will function correctly RS-232 Connector and Cable Pin-OutsInstaller for assistance with your cabling requirements Cable pin-out described below Signal Minimum Cable Pinout for Ascii Console ConnectionRS-232 Modem Cable Twisted-Pair Cable Pin Assignments Twisted-Pair Straight-Through CableHub End MDI-X Environmental SpecificationsPhysical Electrical Connectors SpecificationsElectromagnetic Modem Configuration US Robotics Courier V.FC/V.34Megahertz XJ2288 Pcmcia card modem Practical Peripherals PM288MT II Intel 14.4EXSupra FAX Communication Between the Hub Network Management Station Network Addressing Globally Assigned IP Network Addresses IPX Addressing for Novell NetWareIP Addresses for IP and Non-IP Networks IPX Addressing Notes Device IP Configuration CountryCompany Name/Address Bootp Process Using Bootp Definitions of the table entry fields Bootp Table File EntriesPage How Backup Links Work Backup Links Backup Links LimitationsAdditional Notes Hub to a Server Examples of Backup LinksHow the Backup Function Works Hub to a Switch Hub can monitor only one link T e G g e s t i o n Configuration/Installation Sequence Configuring a Backup Link Indications of Backup Link Activation Identifying the Backup Link Reactivating the Primary Link Page Understanding Network Security Security Information Security Information How Intruder Prevention WorksHow Eavesdrop Prevention Works Authorized MAC address Assigning the Authorized MAC address Setting Inbound Security with Intruder Prevention Send Alarm Auto Port Disable Setting Outbound Security with Eavesdrop Prevention Security Information Page Mounting Precautions Safety and Regulatory Statements Equipment and should be easily accessible Power PrecautionsTemperature might exceed 45C 113F Settings to configure Grounding Safety Information Tible de causer des dommages à léquipement Informations concernant la sécurité Hinweise zur Sicherheit Considerazioni sulla sicurezza Consideraciones sobre seguridad Safety Information Japanese Canada Regulatory StatementsFCC Class a Statement for U.S.A. Only European Community Declaration of Conformity Index Index Diagnosing with the LEDs … 2-2 diagnostic tests Late collision … 3-13 mounting the hub … LED description … Verifying hub operation … Page J3188-90001