HP J3188A specification

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HP J3188A manual

Contents

HP J3188A Page Installation and Reference Guide HP 10Base-T Hub-16M J3188A Publication Number Back of the Hub HP 10Base-T Hub-16M J3188AFront of the Hub Iii Features Network Connections Contents Cables and Connectors Security Information ViiPage Installing the Hub Connect the external transceiver Installing and Configuring Your HubVerify included parts Verify the hub operates correctly Cord connected directly to the hub for proper operation Time LED Pattern Mount the hub Rack or Cabinet Mounting Table Mounting Connect the hub to your network Twisted-Pair Cascade Connections Connecting Devices to the HubConnecting Hubs Together Installing ThinLAN Connections Ohm terminator Connecting the Hub-16M to a Fiber-Optic Backbone Interpreting LED Status Interpreting Hub Status LEDs Interpreting Port Status LEDs Following table provides LED port informationPage Troubleshooting Troubleshooting Approaches Problem Solution Using a Checklist to Diagnose the HubTroubleshooting Using a Checklist to Diagnose the Hub LED Operation Power Coll Troubleshooting LED OperationDiagnostic Tips Hub will automatically recover after Clearing a Password for the Ascii Console Hub Maintenance TasksTesting the Hub Only Obtaining Firmware Enhancements Troubleshooting Hub Maintenance TasksRunning Connectivity Tests Setting up the Ascii Console Managing the Hub Managing the Hub Directly, Using a Serial Cable and a TerminalRemotely, Using Telnet Remotely, Using a Modem and a Terminal Starting the Console Example HE ST This displays help for the Status command Console Command ReferenceCommands are described in the rest of the chapter Syntax Conventions on Help Screen BAckup Default Description Counter Name Definition Valid Range CDpstatusCOunters Range DIsconnect IPconfigWhen to Use IPconfig Using IP Configuring for Network ManagementUsing Novell NetWare IPX Following table explains the IP parameters Parameter Default Value Definition MAnagers SHow To end your editing CommandManager Address IP or IPX Receive Alarms? NEighbor Displays the other devices that are using CDP protocolMEssageinterval Table entry with ID 1 would now be a blank line PIng PAsswordClear a password Community name RObustness REsetPOrt port ON/OFF Security Configuration Parameter Definitions SEcure portSHowCLear Managing the Hub Eavesdrop Prevention, must be set to on Configuring Security on a Single PortConfiguring Security on All Twisted-Pair Ports Address Selection Authorized Showing the Security Configuration Clearing Security Violation Indicators SPeed new speed STatus Status Information What It Means 16M will respond with the correct packet Network links, see the , TroubleshootingTEstlink To sendPage Following table shows PC connections to the RS-232 port Cables and ConnectorsRecommended Cables Cable Function Cable Type HP Product Number Cables and ConnectorsFollowing table shows network connections to the hub Pins 3 and 6 must be a twisted pair Twisted-Pair Cable/Connector Pin-OutsPins 1 and 2 must be a twisted pair Twisted-Pair Cable for Hub-to-Computer Network Connection Cable pin-out described below RS-232 Connector and Cable Pin-OutsInstaller for assistance with your cabling requirements Minimum pin-out will function correctly RS-232 Modem Cable SignalMinimum Cable Pinout for Ascii Console Connection Hub End MDI-X Twisted-Pair Cable Pin AssignmentsTwisted-Pair Straight-Through Cable Electrical SpecificationsPhysical Environmental Electromagnetic ConnectorsSpecifications Megahertz XJ2288 Pcmcia card modem Modem ConfigurationUS Robotics Courier V.FC/V.34 Supra FAX Practical Peripherals PM288MT IIIntel 14.4EX Network Addressing Communication Between the Hub Network Management Station IPX Addressing Notes IPX Addressing for Novell NetWareIP Addresses for IP and Non-IP Networks Globally Assigned IP Network Addresses Company Name/Address Device IP ConfigurationCountry Using Bootp Bootp Process Bootp Table File Entries Definitions of the table entry fieldsPage Backup Links How Backup Links Work Additional Notes Backup LinksLimitations Hub to a Switch Examples of Backup LinksHow the Backup Function Works Hub to a Server T e G g e s t i o n Hub can monitor only one link Configuring a Backup Link Configuration/Installation Sequence Identifying the Backup Link Indications of Backup Link Activation Reactivating the Primary Link Page Security Information Understanding Network Security Authorized MAC address How Intruder Prevention WorksHow Eavesdrop Prevention Works Security Information Assigning the Authorized MAC address Setting Inbound Security with Intruder Prevention Auto Port Disable Send Alarm Setting Outbound Security with Eavesdrop Prevention Security Information Page Safety and Regulatory Statements Mounting Precautions Settings to configure Power PrecautionsTemperature might exceed 45C 113F Equipment and should be easily accessible Safety Information Grounding Informations concernant la sécurité Tible de causer des dommages à léquipement Hinweise zur Sicherheit Considerazioni sulla sicurezza Consideraciones sobre seguridad Safety Information Japanese European Community Regulatory StatementsFCC Class a Statement for U.S.A. Only Canada 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