3Com 530, 510, 520 manual Troubleshooting

Page 53

Troubleshooting

WARNING: There are no user serviceable components inside the case of the unit.

CAUTION: Read the section ‘Important Safety information’, at the start of this manual.

Troubleshooting 1-39

Malfunction

Remedy

 

 

If you cannot

Verify that your computer is equipped with

connect your

an available serial port and that the correct

OfficeConnect

cables and connectors are being used. If in

Remote to the

doubt contact the unit’s supplier.

network or PC.

 

The OfficeConnect Remote is fully performance tested after assembly. Providing the unit has been correctly installed, and is used in accordance with the instructions contained in this manual, difficulties should not arise. If unit or system maintenance is required, then it must be carried out by a competent network engineer.

In the unlikely event that you experience problems with the unit, the following procedure will enable you to undertake basic troubleshooting before contacting your 3Com reseller.

The POWER LED does not light.

Confirm that:

a)The switched outlet socket of the electrical mains system supply is turned on. The main lead is correctly plugged into the unit’s electrical mains system inlet socket.

b)The switched outlet socket is ‘live’ by plugging the unit into an alternate socket to see if it functions.

Image 53
Contents User Guide Officeconnecttm Remote3Com Corporation 5400 Bayfront Plaza Santa Clara, California Disconnect the power adapter before moving the unit Important Safety InformationWAN = Selv Wichtige Sicherheitshinweise’INFORMATION DE Sécurité Importante Page Contents Management Connector Interface B-1 Specifications B-1Dimensions B-4 WAN Port Connecting Cable V.11/X.21Index Page This table shows where to find specific information How to Use This GuideAbout this Guide IntroductionText conventions used in this guide are ConventionsIcon conventions that are used throughout this guide are Additional Safety Information Additional Safety InformationAbout this Guide Getting Started OfficeConnect Remote FeaturesGetting Started Benefits of Isdn Easy to install, configure and supportPack Contents Checklist Registering Ownership Of Your OfficeConnect Remote Pre-installation RequirementsFront Panel OfficeConnect Remote Front and Rear Panel FeaturesQuick flash Self test or software loading during power up Getting Started Rear Panel WAN OfficeConnect Remote 520 and 530 only Introduction Using the Rubber Feet and Stacking Clips InstallationSiting the OfficeConnect Remote To prolong the operational life of your equipmentClipping Your Units Together Wall Mounting the OfficeConnect RemoteConnecting to Your 10BaseT LAN Connecting the Power AdapterTo connect the OfficeConnect Remote to in-house LAN Connecting to a Single WorkstationCounter-clockwise to unlock it and remove it Connecting to Your 10Base2 LANConnecting to the Voice Port Connecting to IsdnConnecting to the WAN Location of OfficeConnect Fax and Print Servers Connecting a Management TerminalStarting Quick Configuration Quick ConfigurationMain Menu Screen At the command prompt enter QCAbout Quick Configuration Setting the Unit Name Press CTRL+E to submit this information Connecting to a Novell IPX NetworkComplete the fields on this screen as follows 12 Connecting To An IP Host On The Same Network Connecting to an IP Host on the Same IP Network13 Connecting to an IP Host on a Different Network Connecting to an IP Host on a Different IP NetworkPress CTRL+E to submit this information 14 Connecting To The Internet Or PPP Router Connecting to the Internet or a PPP RouterGetting Started Press CTRL+E to save this information Password is case-sensitiveMonitoring Isdn Line Usage Setting Up a WAN LinkSetting Up a WAN Link Novell Network Examples of Typical Isdn Networking ApplicationsExamples of Typical Isdn Networking Applications Disconnected. In this way Isdn calls are kept to a minimum192.000.000.xxx IP Host on the Same IP NetworkIP Host on Another IP Network 18 IP routed network Internet or PPP Router19 PPP Connections to the Internet and Corporate Network 20 Multiple Connections from a Single Site Multiple Connections from a Single SiteTroubleshooting TroubleshootingSoftware Reference guide for more Bridging and Routing Concepts Bridging and RoutingHow Bridges Learn Guidelines For Choosing Bridging or RoutingBridging and Routing Concepts Bridging Between Remote SitesBuilding a Larger Network Figure A-2 Multiple Remote Bridges Multiple Paths Between Bridged LANsOptimum Use of Resource Network TopologyBroadcast Storms Internet Routing IP and IPXNetwork Organization, Structure and Physical Layout Figure A-4 Open Systems Interconnection Network Layer Model IP Routing Bridging and Routing Routing IP and IPX A-11 IPX RoutingClass C IP AddressesMask, for example Subnet MaskingHuntmar park Drive USA InterNIC, Network SolutionsHerndon KruislaanNumbered and Unnumbered Links Bridging and Routing Technical Information SpecificationsPerformance Bridge CharacteristicsApprovals FCC Requirement Dimensions WAN Port Connecting Cable V.11/X.21 Support Interface Cable CharacteristicsWAN Port Connecting Cable V.24/V.28 Support WAN Port Connecting Cable V.35/V.36 Support Manager Port Connecting Cable Modem Cable LAN Port Connecting Cable 10BaseTOrdering Information Glossary 100BaseVG An Ieee standard for using the new IeeeChapter C Glossary Page Chapter C Glossary Page Chapter C Glossary Page Topology The way that a network is physically laid out Technical Support On-line Technical Services3Com Bulletin Board Service World Wide Web Site Support from Your Network SupplierSupport from 3Com To obtain an RMA number, call or fax Returning Products for RepairTechnical Support Numerics IndexLAN Limited Warranty OfficeConnect Remote EMC Update