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3Com DUA1770-0AAA04 manual Default Settings, supported by your Switch

Models: DUA1770-0AAA04

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supported by your Switch.

20CHAPTER 1: INTRODUCING THE SUPERSTACK 3 SWITCH 4900 SERIES

Console Port The console port allows you to connect a terminal and perform remote or local out-of-band management. The console port uses a standard null modem cable and is set to auto-baud (up to a maximum of 19200 baud), 8 data bits, no parity and 1 stop bit.

Expansion Module You can use this slot to install an Expansion Module. Contact your

	Slot supplier for further information on the range of Expansion Modules
		supported by your Switch.
		WARNING: When an Expansion Module is not installed, ensure the
		blanking plate is fitted by tightening all screws with a suitable tool.

Default Settings		Table 5 shows the default settings for the Switches. If you initialize one of
		the Switch units, it is returned to these defaults.
		Table 5 Default Setting

		Feature	Switch 4900 Series

		Port Status	Enabled
		Port Speed	Auto-negotiated
		Duplex Mode	Auto-negotiated
		Flow Control	Auto-negotiated
		Broadcast Storm Control	Enabled
			High threshold: 3000 broadcast frames per
			second — Notify and filter
			Low threshold: 1500 broadcast frames per
			second — Notify and unfilter
		Virtual LANs (VLANs)	All ports belong to the untagged Default VLAN
			(VLAN 1)
		Multicast Filtering	IGMP filtering enabled
		Rapid Spanning Tree Protocol	Enabled
		Link Aggregation Control	Enabled
		Protocol (LACP)
		Smart Auto-sensing	Switch 4900, 4924, and 4950: Enabled
			Switch 4900 SX: Not applicable
		IP Address	169.254.100.100*
		Subnet Mask	255.255.0.0

* This default IP address is used if the unit is operating in standalone mode, and/or no other Switches on the network have this IP address. If this default IP address is already in use then the Switch detects this and configures itself with an IP address in the range 169.254.1.0 to 169.254.254.255.

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3Com DUA1770-0AAA04 manual Default Settings, supported by your Switch, the Switch units, it is returned to these defaults

Contents

Switch 4900 Series Getting Started Guide Switch 4900 3C17700 Switch 4900 SX 3C17702 Switch 4924 3C17701Switch 4950 3C17706 SuperStackUNITED STATES GOVERNMENT LEGEND ENVIRONMENTAL STATEMENTEnd of Life Statement Regulated Materials StatementCONTENTS 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4900 SERIES2 INSTALLING THE SWITCH ABOUT THIS GUIDESNMP Management 3 SETTING UP FOR MANAGEMENTChoosing the Correct Fiber Cables PROBLEM SOLVING SAFETY INFORMATIONC TECHNICAL SPECIFICATIONS D TECHNICAL SUPPORT PIN-OUTSPage ABOUT THIS GUIDE Conventions CommandsNotice Icons Table 2 Text ConventionsDocumentation documentation RelatedDocumentation Product RegistrationDocumentation CommentsAbout the Switches Summary of Hardware Features Switch - Front View Detail 100/1000BASE-T and 10/100/1000BASE-T Ports1000BASE-SX Ports GBIC Ports LEDs Switch - Rear View Detail Unit Information Label Power Socket Redundant Power System Socket12 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4900 SERIES Hardware Features Switches Table 3 Hardware featuresSwitch - Front View Detail Figure 1 Switch 4900 - front viewFigure 2 Switch 4900 SX - front view 14 CHAPTER 1 INTRODUCING THE SUPERSTACK 3 SWITCH 4900 SERIESFigure 3 Switch 4924 - front view Figure 4 Switch 4950 - front view Switch - Front View DetailPorts cross-over Power/Self Test LED Table 4 LED behaviorColor IndicatesSwitch - Rear View DetailFigure 5 Switch 4900 - rear view Figure 6 Switch 4900 SX - rear viewPower Socket the Switch units, it is returned to these defaults Default Settingssupported by your Switch INSTALLING THE SWITCH Package Contents Choosing a Suitable Site Rack-mountingThe Power-up Sequence Switch 4950 - GBIC Operation Placing Units On Top of Each Other Creating an XRN Distributed FabricSite Package ContentsChoosing a Suitable Rack-mounting 4 Repeat steps 2 and 3 for the other side of the Switch The maximum number of Switch units that can be interconnected is two The Power-up Powering-up theSwitch SequenceIf there is evidence of a problem, see “Solving Problems Indicated by Fiber Cables Switch 4950 - GBIC OperationApproved GBIC TransceiversFiber SC connector Type 4 GBIC with internal EEPROM fitted 3 The transceiver connects to the network using a duplex SC connector. Attach a male duplex SC connector on the network cable into the duplex SC connector on the transceiver 32 CHAPTER 2 INSTALLING THE SWITCH SETTING UP FOR MANAGEMENT Setting Up Overview Manually Configuring IP InformationViewing Automatically Configured IP Information Methods of Managing a SwitchSetting Up Overviewwhole setup process is summarised in Figure 12. Detailed procedural Figure 12 Initial Switch Setup and Management Flow diagramManual IP Configuration Automatic IP Configurationon page You should use the automatic IP configuration method ifManually Configuring IP Information Pre-requisitesConnecting the Workstation to the Switch Configuring the Workstation with IP InformationSetting Up the Switch with IP Information IP addressUsing Command Line Interface via Telnet Figure 14 Example top-level command line interface menu Pre-requisitesFigure 15 Connecting a workstation to the Switch via the console port You can find pin-out diagrams for both cables in Appendix B on pageConnecting the Workstation to the Switch 42 CHAPTER 3 SETTING UP FOR MANAGEMENT Setting Up the Switch with IP InformationFigure 16 Example top-level command line interface menu Configured IP ViewingAutomatically InformationPre-requisites Connecting the Workstation to the Switch44 CHAPTER 3 SETTING UP FOR MANAGEMENT Viewing IP Information via the Console Port Figure 18 Example top-level command line interface menu 46 CHAPTER 3 SETTING UP FOR MANAGEMENTRefer to “Setting Up Command Line Interface Management” on page Refer to “Setting Up Web Interface Management” on pageCommand Line Refer to “Setting Up SNMP Management” on pageusing Telnet InterfaceSetting Up Web described in “Setting Up Overview” on pagetelnet Choosing a BrowserOver the Network http//xxx.xxx.xxx.xxx50 CHAPTER 3 SETTING UP FOR MANAGEMENT c\ pingSetting Up SNMP Default Users andPasswords system management snmp community command - refer to theThe security device user modify command on the CLI, or You can change the default passwords using eitherThe gettingStarted command on the CLI, or Default UsersSolving Communication Problems Solving Software Upgrade Problems PROBLEM SOLVINGSolving Problems Indicated by LEDs Solving Hardware Problems Solving Problems solutions belowThe Power LED does not light On powering-up, the Power/Self Test LED lights yellowA fan failure warning message is received ProblemsSolving Hardware Unit fails, no SNMP fan failure message is received Error message indicating that the GBIC transceiver is invalidError message indicating that the GBIC transceiver is faulty Solving Communication Problems IP AddressingHow do you obtain a registered IP Address? SAFETY INFORMATION Important Safety Information Important Safety Information 62 APPENDIX A SAFETY INFORMATION L’information de Sécurité Importante AVERTISSEMENT France et Pérou uniquement 3CGBIC91 GBIC SX 3CGBIC92 GBIC LX 3CGBIC97 GBIC LH70 Wichtige Sicherheitsinformationen VORSICHT EuropeWichtige Sicherheitsinformationen 68 APPENDIX A SAFETY INFORMATION B PIN-OUTS PC-AT Serial CableModem Cable RJ-45 PinAssignments Pin assignments are identical for 10/100BASE-T and 1000BASE-T RJ-45Table 11 Pin assignments Pin Number10/100BASE-T 1000BASE-T72 APPENDIX B PIN-OUTS TECHNICAL SPECIFICATIONS Switch 4900 SX Height 65.8 mm 2.59 in. x Width 440 mm 17.3 in413 mm 16.27 in. not including bulge. Weight 6.4 Kg 14.10 lbs 413 mm 16.27 in. not including bulge. Weight 6.91 Kg 15.23 lbsPower Supply Protocols Used for AdministrationHeat Dissipation Standards SupportedServices ServicesOnline Technical World Wide Web SiteUsername anonymous Asia, Pacific Rim Europe, Middle East and AfricaLatin America aprtechnicalsupport@3com.comCountry Telephone NumberCountry Telephone NumberReturning Products for Repair Country Telephone NumberCountry Telephone NumberINDEX NumbersPage How to Identify and Resolve Radio-TV Interference Problems REGULATORY NOTICESFCC STATEMENT INFORMATION TO THE USER