Transcend Information III Cable Requirements, For unshielded twisted-pair UTP connections 100 ohm

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Cable Requirements

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Cable Requirements

In order to maintain compliance with the limits of a Class B digital device, 3Com requires that you use quality interface cables when connecting to this device. Changes or modifications not expressly approved by 3Com could void the user’s authority to operate this equipment. Examples of supported cable types are shown below:

For unshielded twisted-pair (UTP) connections (100 ohm):

Level 3 LAN and high-speed data cable, for example, AnixterCM-00424BAG-3 or equivalent

Level 4 extended distance LAN cable, for example, Anixter CM-00424BAG-4 or equivalent

Level 5 data grade media cable, for example, AT&Ttype 2061, 1061, or equivalent

For thin coax connections:

RG58 A/U or C/U (50 ohm ± 4) For thick coax connections:

RG59 B/U (50 ohm)

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Contents Adapters 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Lifetime Warranty France, Israel Contents Performing Troubleshooting and Diagnostic Tests Cispr B Compliance Figures Tables Introduction How to Use This GuideAbout this Guide Conventions Print autolink.logIntroduction Features Optional Installing the Eisa AdapterInserting the Adapter Installing the Boot PromInspecting the Adapter PCI and Eisa Bus Slots in an Eisa Computer List of devices appears, arranged by type Confirming Adapter InstallationName of the installed 3Com adapter appears, as shown below Connecting to Thin Ethernet Cable Connecting to the NetworkConnecting to the On-board Transceiver Connecting to an External Transceiver Slide Latch Auto Select Media Type Configuring Adapter Configuration OverviewUsing a NOS Other Than Windows Configuring the AdapterUsing Windows Software Option Settings Full Duplex Media TypeNetwork Driver Optimization Changing the Settings Type at the promptI N N U Continue this procedure with any of the other options Press Tab to highlight OK. Press EnterSelect Adapter Installed Adapters Loading Network DriversAccessing DOS Locating the Network DriversLoading NetWare ODI Drivers One Adapter in a ClientAutoLink Requirements At the prompt, type Alternatively, at the prompt, typeAutoLink Information Screen Multiple Adapters in a Client To print the file, typeWhen the program has finished a Save the configuration Main menu appears Reboot the computer Finding the Adapter’s Slot NumberRepeat a for the second adapter One Adapter in a Server Multiple Adapters in a Server For NetWare 3.12, 4.0x, orFinding the Adapter’s Port Address for Multiple Adapters Bind IPX to X NET=XXXX Bind IPX to Y NET=XXXX Loading Windows 95 Drivers Click OK This imports the driver from the EtherDisk disketteLoading Drivers in Non-NetWare Environments Ndis DriversUsing Transcend PC Link SmartAgent Software Additional DriversDesktop Management Interface Performing Troubleshooting Diagnostic Tests Troubleshooting OverviewTroubleshooting with the Diagnostic Tests Starting the Diagnostic Program Starting the Diagnostic ProgramRunning the Group 1 Tests Running the Group 2 Test Assembling a Loopback PlugSetting Up an Echo Server Running the Group 3 TestStart the diagnostic program on the echo server Getting Help If a Test Fails If this test fails, try another loopback plug Changing the Test Setup To change the test parameters, follow these stepsMiscellaneous Checks Link Beat LEDSpecifications Adapter SpecificationsRJ-45 Connector Pin Assignments AUI Connector Pin AssignmentsRG59 B/U 50 ohm Cable RequirementsFor unshielded twisted-pair UTP connections 100 ohm Access by Modem On-line Technical Services3Com Bulletin Board Service Technical SupportThreeComForum on CompuServe 3ComFacts Automated Fax ServiceWorld Wide Web Site To use ThreeComForum Log on to CompuServeSupport from Your Network Supplier Local numbers are available within the following countriesReturning Products for Repair To obtain an RMA number, call or faxGlossary AUI cableBus BackboneBackplane Echo serverEMM386 EthernetTwisted-pair Numerics SymbolsIndex Eisa fiber-optic Windows 3.X 4-3 Windows 95 1-2, 3-3 Limited Warranty Santa Clara, CA 95052-8145 408 Interference Handbook CE Notice