SMC Networks SMCBGSLCX1, SMCRPS600W, SMCBGLLCX1 manual* 1000BASE-T Cable Requirements

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TWISTED-PAIR CABLE AND PIN ASSIGNMENTS

1000BASE-T Cable Requirements

All Category 5 UTP cables that are used for 100BASE-TX connections should also work for 1000BASE-T, providing that all four wire pairs are connected. However, it is recommended that for all critical connections, or any new cable installations, Category 5e (enhanced Category 5) cable should be used. The Category 5e specification includes test parameters that are only recommendations for Category 5. Therefore, the first step in preparing existing Category 5 cabling for running 1000BASE-T is a simple test of the cable installation to be sure that it complies with the IEEE 802.3ab standards.

Cable Testing for Existing Category 5 Cable

Installed Category 5 cabling must pass tests for Attenuation, Near-End Crosstalk (NEXT), and Far-End Crosstalk (FEXT). This cable testing information is specified in the ANSI/TIA/EIA-TSB-67 standard.

Additionally, cables must also pass test parameters for Return Loss and Equal-Level Far-End Crosstalk (ELFEXT). These tests are specified in the ANSI/TIA/EIA-TSB-95 Bulletin, “The Additional Transmission Performance Guidelines for 100 Ohm 4-Pair Category 5 Cabling.”

Note that when testing your cable installation, be sure to include all patch cables between switches and end devices.

Adjusting Existing Category 5 Cabling to Run 1000BASE-T

If your existing Category 5 installation does not meet one of the test parameters for 1000BASE-T, there are basically three measures that can be applied to try and correct the problem:

1.Replace any Category 5 patch cables with high-performance Category 5e cables.

2.Reduce the number of connectors used in the link.

3.Reconnect some of the connectors in the link.

B-5

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Contents TigerSwitch 10/100 Page TigerSwitch 10/100 Installation Guide Trademarks Limited Warranty Limited Warranty Iii CompliancesFCC Class a EC Conformance Declaration Class aCompliances Industry Canada Class a Warnhinweis Faseroptikanschlüsse Optische Sicherheit Safety ComplianceUnderwriters Laboratories Compliance Statement Wichtige Sicherheitshinweise Germany ViiViii Contents Making Network Connections Installing the SwitchContents Xii Overview Chapter About Tigerswitch 10/100Switching Method Switch ArchitectureManagement Options VLANs Spanning Tree ProtocolTraffic Priority Multicast Switching10BASE-T/100BASE-TX Ports Description of Hardware1000BASE-T/SFP Ports Port and System LEDs Status LEDsSystem Status LEDs Power Supply Receptacles Optional Redundant Power UnitConnectivity Features and BenefitsPerformance Management About the Tigerswitch 10/100 Chapter Network Planning Introduction to SwitchingCollapsed Backbone Sample ApplicationsCentral Wiring Closet Central Wiring ClosetRemote Connections with Fiber Cable Collapsed Backbone Using Fiber CableMaking Vlan Connections Making Vlan ConnectionsMbps Gigabit Ethernet Collision Domain Connectivity RulesSMC 2-1 Rule for Class I Repeaters Mbps Fast Ethernet Collision DomainMaximum Fast Ethernet Cable Distance SMC 3-2 Rule for Class II RepeatersSMC 5-4-3 Rule Maximum Network Diameter Using RepeatersMbps Ethernet Collision Domain Maximum Ethernet Cable DistanceApplication Notes Network Planning Selecting a Site Installing the SwitchPackage Contents Equipment ChecklistOptional Rack-Mounting Equipment Rack Mounting MountingAttaching the Brackets Attaching the Adhesive Feet Desktop or Shelf MountingPower Receptacle Connecting to a Power SourceCabling Guidelines Connecting Network DevicesChapter Making Network Connections Twisted-Pair DevicesMaking Twisted-Pair Connections Connecting to PCs, Servers, Hubs and SwitchesWiring Closet Connections Wiring Closet ConnectionsMaking Network Connections Diagnosing Switch Indicators Appendix a TroubleshootingPower and Cooling Problems In-Band Access InstallationAppendix B Cables SpecificationsTwisted-Pair Cable and Pin Assignments Figure B-1. RJ-45 Connector Pin NumbersRJ-45 Pin Assignments 100BASE-TX/10BASE-T Pin Assignments1000BASE-T Pin Assignments Pin MDI Signal Name MDI-X Signal NameAdjusting Existing Category 5 Cabling to Run 1000BASE-T Cable Testing for Existing Category 5 Cable1000BASE-T Cable Requirements DB-9 Port Pin Assignments Console Port Pin AssignmentsConsole Port to 9-Pin COM Port on PC Console Port to 25-Pin DTE Port on PC Cables Physical Characteristics Appendix C SpecificationsHumidity TemperaturePower Supply Power ConsumptionSwitch Features Standards Management FeaturesCE Mark Emissions WarrantySafety CompliancesSpecifications Appendix D Ordering Information Ordering Information Auto-Negotiation GlossaryGlossary-1 1000BASE-TGlossary-2 Glossary-3 Glossary-4 Transmission Control Protocol/Internet Protocol TCP/IP Glossary-5Virtual LAN Vlan Glossary-6 Index-1 IndexIndex-2 Index-3 Index-4 Page For Technical SUPPORT, Call