LevelOne GSW-2476 Fiber Standards, Adjusting Existing Category 5 Cabling to Run 1000BASE-T

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CABLES

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 or Category 6 cables.

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

3.Reconnect some of the connectors in the link.

Fiber Standards

The current TIA (Telecommunications Industry Association) 568-A specification on optical fiber cabling consists of one recognized cable type for horizontal subsystems and two cable types for backbone subsystems.

Horizontal 62.5/125 micron multimode (two fibers per outlet). Backbone 62.5/125 micron multimode or single mode.

TIA 568-B will allow the use of 50/125 micron multimode optical fiber in both the horizontal and backbone in addition to the types listed above. All optical fiber components and installation practices must meet applicable building and safety codes.

B-6

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Contents LevelOne Page Compliances FCC Class aCE Mark Declaration of Conformance for EMI and Safety EEC Warnhinweis Faseroptikanschlüsse Optische Sicherheit Safety CompliancePower Cord Safety Power Cord Set Environmental Statement End of Product Life SpanManufacturing Materials DocumentationRelated Publications PurposeAudience Table of Contents Configuring the Switch Making Network ConnectionsGlossary Index Xii Tables XiiiFigures 26 Igmp Snooping Configuration -37 -27 Igmp Snoop Status Xvi Chapter OverviewSwitch Architecture Network Management OptionsPort and Power Status LEDs Description of Hardware10/100/1000BASE-T Ports SFP SlotsPort SFP Web Smart Switch Connectivity Features and BenefitsPower Supply Socket Management ExpandabilityPerformance Introduction to Switching Chapter Network PlanningApplication Examples Collapsed BackboneCentral Wiring Closet Central Wiring ClosetRemote Connections with Fiber Cable Remote Connections with Fiber CableMaking Vlan Connections Making Vlan ConnectionsApplication Notes Installing the Switch Selecting a SiteEthernet Cabling RJ-45 ConnectionsEquipment Checklist Package ContentsMounting Optional Rack-Mounting EquipmentInstalling the Switch Attaching the Brackets Desktop or Shelf Mounting Attaching the Adhesive FeetInstalling an SFP Transceiver Inserting an SFP Transceiver into a SlotConnecting to a Power Source Power SocketConnecting Network Devices Chapter Making Network ConnectionsTwisted-Pair Devices Cabling GuidelinesConnecting to PCs, Servers, Hubs and Switches Making Twisted-Pair ConnectionsNetwork Wiring Connections Wiring Closet ConnectionsFiber Optic SFP Devices Making Connections to SFP Transceivers Connectivity Rules 1000BASE-T Cable RequirementsMbps Gigabit Ethernet Collision Domain Maximum 1000BASE-T Gigabit Ethernet Cable LengthMbps Fast Ethernet Collision Domain Mbps Ethernet Collision DomainCable Labeling and Connection Records Configuring the Switch Using the Web InterfaceNavigating the Web Browser Interface HomePanel Display Configuration OptionsWeb Page Configuration Buttons Switch Main Menu Main MenuQOS Web Configuration Displaying Status OverviewTrunk Information Switch Information Showing Port Statistics Port StatisticsPort Statistics Parameter DescriptionThis Ethernet segment Bytes Frames Total number of frames including bad packets Displaying System Name Setting the Switch’s IP Address System NameConfiguring the Logon Password Field AttributesReset to Factory Defaults ToolsReset to Factory Defaults Upgrade Firmware Upload/Download Configuration 10 Restart Switch Set boot ImageRestart Switch Static MAC Address ConfigurationStatic MAC Add Static MACCounter Config 13 Static MAC Address ConfigurationPort Configuration 14 Counter Configuration15 Port Configuration Storm Control Port Mirroring 16 Port Broadcast ControlCable Diagnostic 17 Port Mirroring18 Cable Diagnostics Trunks MembershipTrunk Configuration 19 Trunk MembershipVlan Settings Introduction to VLANsField Attributes Configuring the Switch 21 Vlan Settings Vlan Memembership 22 802.1Q Vlan Configuration 802.1p QOS SettingsQoS Disabled 24 QoS Settings Security25 Management Access Filter Configuration Settings Field Attributes Igmp Snoop26 Igmp Snooping Configuration Igmp Status 27 Igmp Snoop Status Table A-1 Troubleshooting Chart Appendix a TroubleshootingDiagnosing Switch Indicators In-Band Access Power and Cooling ProblemsInstallation Reset the Switch Troubleshooting Appendix B Cables Twisted-Pair Cable and Pin Assignments10BASE-T/100BASE-TX Pin Assignments Table B-1 10/100BASE-TX MDI and MDI-X Port PinoutsStraight-Through Wiring Figure B-2 Straight-through WiringCrossover Wiring Figure B-3 Crossover WiringTable B-2 1000BASE-T MDI and MDI-X Port Pinouts Cable Testing for Existing Category 5 Cable1000BASE-T Pin Assignments Adjusting Existing Category 5 Cabling to Run 1000BASE-T Fiber StandardsAppendix C Specifications Physical CharacteristicsSwitch Features Management FeaturesStandards CompliancesSoftware Loading CE Mark EmissionsSpecifications Auto-Negotiation Glossary1000BASE-T Bandwidth CollisionCollision Domain End StationFull Duplex Gigabit EthernetIeee Ieee 802.3abMedia Access Control MAC LayerLink Segment Local Area Network LANRedundant Power Supply RPS RJ-45 ConnectorSwitched Ports Transmission Control Protocol/Internet Protocol TCP/IPGlossary-6 Index NumericsIndex-2 Index-3 Index-4 Page GSW-2476 E082006-JC-R01 149100011100H

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