HP 10BASE-T Guia do Utilizador

Installation and Reference GuideHP J2611BHP AdvanceStack 10Base-T Hub-16U

Table of Contents1 Installing the HubInstallation Summary . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Included

Customer Support Services . . . . . . . . . . . . . . . . . . . . . . . 2-11HP BBS and World Wide Web . . . . . . .

1Installing the HubInstallation SummaryIncluded Parts1. Install Add-in Modules (Optional)2. Verify the Hub’s Operation3. Mount the Hub4. Complete

Installation SummaryThe basic hardware installation procedure for the Hub-16U is as follows:1. Install the optional HP AdvanceStack 8U/16U SNMP Module

1. Install add-in modules (optional)The Hub-16U can be custom-configured by installing an optional HPAdvanceStack 8U/16U SNMP Module or an HP Transce

The PC serves as a console that enables you to configure, monitor, andtroubleshoot the hub. For more information about the ASCII console commands, see

HP Transceiver ModulesThe HP Transceiver Modules provide additional connectivity choices fromthe hub to Ethernet networks.The following optional trans

2. Verify the hub’s operationTo provide power to the hub, follow these steps: 1. Plug the power cord into the hub’s power cord receptacle and into an

2. Check the LEDs on the hub’s front panel.When the hub is powered on, it performs a self-diagnostic test.During the test, all of the hub LEDs are lit

3. Mount the hubThe HP AdvanceStack Hub-16U can be mounted in three ways:in a rack or cabineton a wallon a tableThe hardware for mounting the hub is

Rack or Cabinet MountingWarning The rack or cabinet should be adequately secured to prevent itfrom becoming unstable and/or falling over.1. Using a fl

Wall Mounting1. Using a flat-headed or Torx T-10 screwdriver, attach the mountingbrackets to the hub with 10-mm M3 screws included in the accessorykit

4. Complete the network connectionsto the hubReconnect the hub to the power source and then make the networkconnections to the hub. With the hub moun

Cable managementThe Hub-16U has been designed to help you with the problem of managingyour network cables. Each mounting bracket has a loop hole for a

Connecting Hubs TogetherTwisted-Pair Cascade ConnectionsTo expand your network, the hub can be connected to other hubs by usingthe Media Dependent Int

In the following illustration, the first hub is connected to two end nodes andto a second hub. ThinLAN ConnectionsWith an HP ThinLAN Transceiver Modul

You can connect up to 30 hubs together on a common ThinLAN segment.The ThinLAN segment can include a computer attached to a hub at one endof the segme

The following illustration shows a hub with an HP ThinLAN TransceiverModule connected to a thin LAN backbone.Connecting the Hub-16U to a Fiber-Optic B

2TroubleshootingTroubleshooting ApproachesDiagnosing with the LEDsInstallation ProblemsCabling ProblemsUnusual Network ActivityDiagnostic TestsReplace

HP Customer Support ServicesHow to get the latest software/agent firmwareYou can download:HP AdvanceStack 8U/16U SNMP firmware: j3133a.exefrom the

This chapter describes how to diagnose and resolve operating problems withyour hub.Additionally, if you have a HP AdvanceStack 8U/16U SNMP Module inst

Diagnosing with the LEDsMost problems with the hub can be diagnosed using the LEDs on its frontpanel. This section describes the normal LED pattern du

LED Error IndicationsLED patterns indicating problems Diagnostic TipsPower Collision AUI/XcvrPortTwisted-PairPortOFF * * *Verify that the power cord i

LED patterns indicating problems Diagnostic TipsPower Collision AUI/XcvrPortTwisted-PairPortON Appearssolidly ON**Very frequent collisions are occurri

Installation ProblemsBy carefully following the installation procedures described in chapter 1,“Installing the Hub”, you can avoid most problems cause

Non-standard CablesMis-wired cables may cause numerous network collisions, and can seriouslyimpair network performance. Before connecting cables into

connections. See the documentation shipped with the HP AdvanceStack8U/16U SNMP module and the software’s online Help system for moredetails about thes

Testing End-to-End Network CommunicationsBoth the hub and the cabling can be tested by running an end-to-endcommunications test — a test that sends kn

Replacement InstructionsRemove any of the optional modules that you have installed into your hubbefore returning it to Hewlett-Packard. Keep the optio

Customer Support ServicesHewlett-Packard offers support 24 hours a day, seven days a week throughthe use of automated electronic services including:He

Hewlett-Packard FTP Library ServiceTo access the HP FTP Library, follow these steps:1. Enter the command:ftp ftp-boi.external.hp.com The ftp> promp

CompuServeCompuServe is an electronic information and communication service run byan independent company. The service is typically accessed with a com

HP FIRST Fax Retrieval ServiceHP FIRST is an automated fax retrieval service that is available 24 hours aday, seven days a week. HP FIRST provides inf

3Hub ReferenceFront of the HubBack of the HubHub Operation

Front of the HubHub status LEDsThe hub status LEDs indicate whether the hub is functioning properly. Forfurther details on error conditions indicated

Port status LEDsThe following table provides LED port information. If an HP AdvanceStack8U/16U SNMP module is installed, additional LED states may be

Hub OperationThe HP AdvanceStack Hub-16U is a multiport repeater that conforms to theIEEE 802.3 repeater specification. Data signals coming into the h

Auto-PartitioningThe hub will automatically partition (temporarily disable) one of its ports ifa collision condition exists for an excessive duration

ACables and ConnectorsRecommended CablesTwisted-Pair Cable/Connector Pin-OutsThinLAN Requirements

HP AdvanceStack Hub-16UInstallation and Reference Guide

This appendix lists cables that have been tested and verified for use with theHP AdvanceStack Hub-16U. It also includes minimum pin-out informationso

Twisted-Pair Cable/ConnectorPin-OutsTwisted-Pair Cable for Hub-to-ComputerNetwork ConnectionTo connect PCs or other network devices to the hub, use a

Twisted-Pair Cable Pin AssignmentsTwisted-Pair Straight-Through CableHub End Computer orTransceiver EndSignalPins PinsSignal(receive +)(receive –)(tra

BSpecificationsPhysicalElectricalEnvironmentalConnectorsElectromagnetic

PhysicalWidth: 42.5 cm (16.8 in)Height: 4.36 cm (1.7 in)Depth: 23.8 cm (9.4 in)Weight: 2.2 kg (4.8 lb)Electricalac voltage: 100 - 127 volts 200-24

Safety and Regulatory Statements

Safety InformationSafety SymbolsDocumentation reference symbol. If the product is marked with this symbol, refer tothe product documentation to get m

Informations concernant la sécuritéSymboles de sécuritéSymbole de référence à la documentation. Si le produit est marquéde ce symbole, reportez-vous

Hinweise zur SicherheitSicherheitssymboleSymbol für Dokumentationsverweis. Wenn das Produkt mit diesem Symbolmarkiert ist, schlagen Sie bitte in der P

Considerazioni sulla sicurezzaSimboli di sicurezzaSimbolo di riferimento alla documentazione. Se il prodotto è contrassegnatoda questo simbolo, fare

©Copyright Hewlett-Packard Company 1996All Rights Reserved.DisclaimerReproduction, adaptation, or translation withoutprior written permission is prohi

Consideraciones sobre seguridadSímbolos de seguridadSímbolo de referencia a la documentación. Si el producto va marcadocon este símbolo, consultar la

Safety InformationSafety and RegulatoryStatements 7

Regulatory StatementsFCC Statement (For U.S.A. Only)Federal Communications Commission Radio Frequency InterferenceStatementWarning: This equipment ge

Declaration of ConformityThe following Declaration of Conformity for the HP AdvanceStack Hub-16Ucomplies with ISO/IEC Guide 22 and EN 45014. The decl

Index

!50-ohm terminatorfor a ThinLAN cable segment ... 1-15AActivity LED ... 3-2AUI/Xcvr LED ... 3-3auto-partitioningbasic operation ... 3-5Bback of the hu

hub operationauto-partitioning ... 3-5collision detection ... 3-4description ... 3-4link beat ... 3-5verifying ... 1-6hub to hub network connectionswi

Rrack mountinginstructions for ... 1-9recommended cables ... A-2Regulatory statements ... C-8replacementof the hub ... 2-10resetting the hubtroublesho

HP AdvanceStack Hub-16UAt A GlanceThe HP J2611B AdvanceStack Hub-16U is a multiport repeater with 16twisted-pair network ports. With this hub, you can

Technical information in thisdocument is subject to changewithout notice.© Copyright 1996Hewlett-Packard CompanyPrinted in U.S.A. 2/96Manual Part Nu

MDI/MDI-X switchfor port 16Hub statusLEDsTwisted-pairportsTwisted-pairport LEDsFront of the HubCover plate over slot for HP AUI andTransceiver Modules

Features Network Connections 16 RJ-45 (twisted-pair) ports to connect to end nodes or other devices.A Media Dependent Interface (MDI) switch for Port