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SMC Networks SMC8950EM Optional Redundant Power Supply, Power Supply Sockets, Condition, Status

Models: SMC8926EM SMC8950EM

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Table 1-2 System Status LEDs (Continued)

		Description of Hardware
		Description of Hardware	1
	Table 1-2 System Status LEDs (Continued)

LED	Condition	Status
Stack Master	Green	Switch is the Master unit of the stack. State may include topology
		discovery, IP assignment, or normal operations.
	Flashing Green	Switch is the Master unit of the stack, system is initializing.

	Amber	Switch is operating as a Slave unit in the stack.

	Flashing Amber	System in Master arbitration/election state.

	Off	System in standalone mode.

Stack Link	Green	Uplink and downlink operating normally.

	Flashing Green	Uplink has failed.

	Flashing Amber	Downlink has failed.

	Off	No stacking link present.

Module	Green	An expansion module is installed and operating normally.

	Amber	An expansion module is installed but has failed.

	Off	There is no module installed.

Stack ID	1-8	Indicates the switch stack ID.
		The Master unit is numbered 1. (Note that If the master unit fails
		and a backup unit takes over, the stack IDs do not change.)
		Slave units are numbered 2-8.

	Off	In standalone mode.

Optional Redundant Power Supply

The switch supports an optional Redundant Power Supply (RPS), that can supply power to the switch in the event the internal power supply fails.

Power Supply Sockets

There are two power sockets on the rear panel of each switch. The standard power socket is for the AC power cord. The socket labeled “RPS” is for the optional Redundant Power Supply (RPS).

Power Socket	Redundant Power Socket
	Figure 1-5 Power Supply Sockets

1-5

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SMC Networks SMC8950EM Optional Redundant Power Supply, Power Supply Sockets, 2 System Status LEDs Continued, Condition

Contents

TigerStack II 10/100/1000 24/48-Port Stackable Layer 3 Gigabit Switch SMC8926EM SMC8950EMINSTALLATION GUIDE August TigerStack II 10/100/1000 Installation GuideFrom SMCs Tiger line of feature-rich workgroup LAN solutions 20 MasonAll rights reserved. Printed in China Trademarks Copyright 2009 by SMC Networks, Inc 20 Mason Irvine, CAWarranty and Product Registration Industry Canada - Class A Compliances and Safety WarningsFCC - Class A CE Mark Declaration of Conformance for EMI and Safety EEC France and Peru only Power Cord SafetySafety Compliance PSE AlarmPower Cord Set La prise femelle de branchement doit être du type à mise à la terre France et Pérou uniquement18, ouAWG No. 16 pour un cable de longueur inferieure a` 2 metres Le cordon doit être en mesure d’acheminer un courant nominal d’auManufacturing Materials Warnings and Cautionary MessagesEnvironmental Statement End of Product Life SpanDocumentation Related Publication PurposeAudience ConventionsChapter 2 Network Planning ContentsChapter 3 Installing the Switch Chapter 1 IntroductionAppendix B Cables Appendix A TroubleshootingChapter 4 Making Network Connections Contents Appendix C SpecificationsGlossary Index Tables Figures Figures Figure 1-1 Front Panels Chapter 1 IntroductionOverview Figure 1-2 Rear Panel Switch ArchitectureNetwork Management Options Figure 1-1 Front Panels Chapter 1 IntroductionOverview Status Figure 1-3 Port LEDsTable 1-1 Port Status LEDs ConditionTable 1-2 System Status LEDs Continued Optional Redundant Power SupplyPower Supply Sockets Figure 1-5 Power Supply SocketsConnectivity Features and BenefitsOptional Media Extender Modules Extender Module LEDsManagement ExpandabilityPerformance 1 Introduction Chapter 2 Network Planning Introduction to SwitchingFigure 2-1 Collapsed Backbone Application ExamplesCollapsed Backbone Figure 2-2 Network Aggregation Plan Network Aggregation PlanFigure 2-3 Remote Connections with Fiber Cable Remote Connections with Fiber CableFigure 2-4 Making VLAN Connections Making VLAN ConnectionsFigure 2-5 IP Routing for Unicast Traffic Using Layer 3 RoutingApplication Notes 2 Network Planning Ethernet Cabling Chapter 3 Installing the SwitchSelecting a Site RJ-45 Connector Figure 3-1 RJ-45 Connections Equipment ChecklistPackage Contents Optional Rack-Mounting EquipmentFigure 3-2 Attaching the Brackets MountingRack Mounting Figure 3-4 Attaching the Adhesive Feet Desktop or Shelf MountingFigure 3-3 Installing the Switch in a Rack Figure 3-5 Installing an Optional Module Installing an Optional Module into the SwitchFigure 3-6 Inserting an SFP Transceiver into a Slot Installing an Optional SFP TransceiverFigure 3-7 Making Stacking Connections Connecting Switches in a StackFigure 3-8 Power Socket Connecting to a Power SourceStacking Topologies Switch’s 8-Pin Connecting to the Console PortWiring Map for Serial Cable Table 3-1 Serial Cable Wiring3-10 3 Installing the SwitchCabling Guidelines Connecting Network DevicesChapter 4 Making Network Connections Twisted-Pair DevicesFigure 4-1 Making Twisted-Pair Connections Connecting to PCs, Servers, Hubs and SwitchesNetwork Wiring Connections Figure 4-2 Network Wiring Connections Fiber Optic SFP DevicesFigure 4-3 Making Connections to SFP Transceivers 10 Gbps Fiber Optic Connections10 Gbps Fiber Optic Connections Figure 4-4 Connecting to an XFP TransceiverConnector Connectivity Rules1000BASE-T Cable Requirements 10 Gbps Ethernet Collision DomainConnector 1000 Mbps Gigabit Ethernet Collision Domain100 Mbps Fast Ethernet Collision Domain 10 Mbps Ethernet Collision DomainCable Labeling and Connection Records Table A-1 Troubleshooting Chart Appendix A TroubleshootingDiagnosing Switch Indicators Diagnosing Power Problems with the LEDsIn-Band Access Power and Cooling ProblemsInstallation Stack Troubleshooting A Stack TroubleshootingA Troubleshooting Figure B-1 RJ-45 Connector Pin Numbers Appendix B CablesTwisted-Pair Cable and Pin Assignments 10BASE-T/100BASE-TX Pin AssignmentsFigure B-2 Straight-through Wiring Straight-Through WiringCrossover Wiring MDI Signal NameMDI-X Signal Name 1000BASE-T Pin AssignmentsFigure B-3 Crossover Wiring MDI Signal NameTable B-3 Fiber Standards Cable Testing for Existing Category 5 CableAdjusting Existing Category 5 Cabling to Run 1000BASE-T Fiber StandardsDescription Optimized for high-power denseTable B-3 Fiber Standards ITU-TB Cables Ports Appendix C SpecificationsPhysical Characteristics Switching DatabasePower Consumption WeightTemperature Power SupplyForwarding Mode Switch FeaturesManagement Features StandardsCE Mark CompliancesExtender Modules 10GBASE Extender Module XFPGlossary Auto-Negotiation Institute of Electrical and Electronic Engineers Network Diameter Redundant Power Supply RPSRJ-45 Connector Switched PortsNumerics IndexIndex-2 Indexweb-based management VLANs routing 2-6 taggingIndex-4 IndexPage 150200000054A R01 SMC8926EM SMC8950EM