SMC Networks 48-Port Mbps Fast Ethernet Collision Domain, SMC 3-2 Rule for Class II Repeaters

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NETWORK PLANNING

100 Mbps Fast Ethernet Collision Domain

SMC 3-2 Rule for Class II Repeaters

Between any two PCs or other stations in the same 100BASE-TX collision domain, there may be:

•up to 3 link segments and

•up to 2 Class II repeaters (hubs)

SMC 2-1 Rule for Class I Repeaters

Between any two PCs or other stations in the same 100BASE-TX collision domain, there may be:

•up to 2 link segments and

•up to 1 Class I repeater (hub)

Maximum Network Diameter Using Repeaters

Repeater Type		Twisted Pair
	and Number	100BASE-TX

1	Class I	200 m (656 ft.)

1	Class II	200 m (656 ft.)

2	Class II	205 m (672.4 ft.)

Maximum Fast Ethernet Cable Distance

Cable Type	Connecting	Max. Distance

Twisted Pair	Any two devices	100 m (328 ft.)

Fiber	Switch to switch, server or PC

	Half duplex	412 m (1,351.4 ft.)

	Full duplex	2 km (1.24 mi.)

2-7

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Contents TigerSwitch 10/100 Page TigerSwitch 10/100 Installation Guide Trademarks Limited Warranty Limited Warranty FCC Class a CompliancesEC Conformance Declaration Class a Industry Canada Class a Underwriters Laboratories Compliance Statement Safety ComplianceIii Warnhinweis Faseroptikanschlüsse Optische SicherheitWichtige Sicherheitshinweise Germany Table of Contents Troubleshooting A-1 Installing the SwitchMaking Network Connections Vii Specifications C-1Cables B-1 Ordering Information D-1 Glossary IndexViii Overview Chapter About Tigerswitch 10/100Rear Panel Switch ArchitectureManagement Options Description of Hardware10BASE-T/100BASE-TX Ports SMC6948L2 LED Status LEDsNetwork Management Module Network Management ModuleVLANs Spanning Tree ProtocolOptional Media Extender Modules Multicast SwitchingTraffic Priority Power Supply Receptacles Optional Redundant Power Unit SMCRPU150WConnectivity Features and BenefitsExpandability Management PerformanceChapter Network Planning Introduction to SwitchingCollapsed Backbone Sample ApplicationsCentral Wiring Closet Central Wiring Closet Remote Connections with Fiber Cable Collapsed Backbone Using Fiber CableMaking Vlan Connections Making Vlan ConnectionsMbps Gigabit Ethernet Collision Domain Connectivity RulesMaximum Fiber Optic Cable Distance for 1000BASE-SX SMC 2-1 Rule for Class I Repeaters Maximum Network Diameter Using RepeatersMbps Fast Ethernet Collision Domain SMC 3-2 Rule for Class II RepeatersSMC 5-4-3 Rule Mbps Ethernet Collision DomainMaximum Ethernet Cable Distance Application 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 SourceChapter Making Network Connections Connecting Network Devices1. Making Twisted-Pair Connections Connecting to PCs, Servers, Hubs and SwitchesWiring Closet Connections Wiring Closet ConnectionsFiber Optic Devices Making SC Port Connections Making Network Connections Diagnosing Switch Indicators Appendix a TroubleshootingInstallation Power and Cooling ProblemsIn-Band Access Troubleshooting Troubleshooting Appendix B Cables SpecificationsTwisted-Pair Cable and Pin Assignments Figure B-1. RJ-45 Connector Pin Numbers100BASE-TX/10BASE-T Pin Assignments Straight-Through WiringCrossover Wiring Figure B-2. DB-9 Console Port Pin Numbers Console Port Pin AssignmentsConsole Port to 9-Pin COM Port on PC DB-9 Port Pin AssignmentsConsole Port to 25-Pin DCE Port on Modem Console Port to 25-Pin DTE Port on PC Cables Physical Characteristics Appendix C SpecificationsPower Consumption WeightTemperature Power SupplySwitch Features Management Features Emissions SafetyStandards CompliancesWarranty Model Slide-in Module100BASE-FX Extender Module 1000BASE-SX Extender ModuleSMC6948NMM Appendix D Ordering Information Ordering Information Bandwidth GlossaryGlossary-1 Auto-NegotiationGlossary-2 Glossary-3 Glossary-4 Glossary-5 Glossary-6 Index-1 IndexIndex-2 See RPU Index-3Index-4 Page Internet