Manuals / 3Com / Computer Equipment / Switch

3Com 3C17300, C17302 Fiber GBICs, 1000BaseT GBICs, Color, Indicates, Port Status LEDs GBIC ports

Models: C17304 C17302 3C17300

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About the Switch 4200 Series 15

Fiber GBIC's.

The default state for these ports is auto-negotiation enabled, where speed, duplex and flow control modes are negotiated. Because the speed and duplex modes are fixed by the media type, only the flow control is negotiated with the link partner. Alternatively, auto-negotiation can be disabled and the flow control setting can be manually configured.

1000BaseT GBIC's

These ports will auto-negotiate to 1000BASE-T, full duplex only. Although it is not possible to disable auto-negotiation it is possible to change the advertised capabilities for flow control support, effectively enabling or disabling flow control.

LEDs Table 4 lists LEDs visible on the front of the Switch, and how to read their status according to color. For information on using the LEDs for problem solving, see “Solving Problems Indicated by LEDs” on page 54.

It is not possible to determine the duplex mode from the LEDs. For more detailed information, refer to the “SuperStack 3 Switch Management Interface Reference Guide” on the CD-ROM that is supplied with the Switch.

Table 4	LED behavior

LED	Color	Indicates

Port Status LEDs 10BASE-T/100BASE-TX ports
	Green	A 100 Mbps link is present and the port is enabled.
	Green flashing	Packets are being transmitted/received on the port.
	Yellow	A 10 Mbps link is present and the port is enabled.
	Yellow flashing	Packets are being transmitted/received on the port.
	Green / Yellow	A 10 or 100 Mbps link is present, but the port is disabled.
	alternating
	Off	No link is present.
Port Status LEDs GBIC ports
	Green	A 1000 Mbps link is present and the port is enabled.
	Green flashing	Packets are being transmitted/received on the port.
Port Status LEDs 10/100/1000BASE-T ports
	Green	A 1000 Mbps link is present and the port is enabled.
(continued)

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3Com 3C17300, C17302, C17304 Fiber GBICs, 1000BaseT GBICs, Color, Indicates, Port Status LEDs 10BASE-T/100BASE-TX ports

Contents

SuperStack Switch 4200 Series Getting Started Guide3Com Corporation 5400 Bayfront Plaza Santa Clara, California UNITED STATES GOVERNMENT LEGENDEnvironmental Statement ABOUT THIS GUIDE CONTENTS1 INTRODUCING THE SUPERSTACK 3 SWITCH 4200 SERIES 2 INSTALLING THE SWITCHSNMP Management 3 SETTING UP FOR MANAGEMENT4 PROBLEM SOLVING Changing Default PasswordsD TECHNICAL SUPPORT SAFETY INFORMATIONC TECHNICAL SPECIFICATIONS PIN-OUTSINDEX REGULATORY NOTICES ABOUT THIS GUIDE Notice Type ConventionsCommands IconDocumentation RelatedDocumentation pddtechpubscomments@3com.comProduct RegistrationINTRODUCING THE SUPERSTACK 3 SWITCHAbout the Switch 4200 Series Switch 4200 Series - Front View Detail Switch 4200 Series - Rear View Detail Default SettingsSwitch 4200 Series About the Switch4200 Series FeaturePower / Self Test LED Switch 4200 SeriesFront View Detail Figure 1 Switch 4226T 3C17300 - front viewGBIC Ports This section applies to the SuperStack 3 Switch 4228G only Indicates Fiber GBICs1000BaseT GBICs ColorUnit LEDs Power/Self Test LEDColor IndicatesFigure 4 Switch 4200 Series - rear view System RPS. See “Connecting a Redundant Power System” on pageRear View Detail Switch 4200 SeriesIP Address Subnet Mask Default Router GBIC Operation INSTALLING THE SWITCHPackage Contents Choosing a Suitable Site Rack-mounting Placing Units On Top of Each Other The Power-up SequencePackage Contents Choosing a SuitableSite Rack-mounting 3 Insert the two screws and tighten with a suitable screwdriver Stacking Units Sequence The Power-upPowering-up the Switch 4200 SeriesIf there is evidence of a problem, see “Solving Problems Indicated by LEDs” on pageFiber cables Choosing the correct Choose from the following cable optionsThe 1000BASE-SX ports can be connected to multimode fiber cables only Transceivers GBIC Operation28 CHAPTER 2 INSTALLING THE SWITCH Figure 7 Inserting a GBIC Transceiver GBIC PortsGBIC Transceiver 30 CHAPTER 2 INSTALLING THE SWITCH Methods of Managing a Switch SETTING UP FOR MANAGEMENTSetting Up Overview Manually Configuring IP Information Viewing Automatically Configured IP InformationConfigure IP information manually for your Switch or view the Setting UpOverview set up and ready for management when it is in its default state. TheAutomatic IP Configuration Manual IP ConfigurationYou should use the automatic IP configuration method if on pagePre-requisites Manually Configuring IP InformationUsing the Web Interface Connecting the Workstation to the SwitchConfiguring the Workstation with IP Information Setting Up the Switch with IP InformationUsing Command Line Interface via Telnet Figure 10 Example top-level command line interface menu Pre-requisites You can find pin-out diagrams for both cables in Appendix B on pageConnecting the Workstation to the Switch Figure 11 Connecting a workstation to the Switch via the console port19,200 baud 8 data bits no parity 1 stop bit no hardware flow control Setting Up the Switch with IP InformationFigure 12 Example top-level command line interface menu Information Configured IPViewing AutomaticallyViewing Automatically Configured IP Information Connecting the Workstation to the SwitchFigure 14 Example top-level command line interface menu Viewing IP Information via the Console PortMethods of Managing a Switch Refer to “Setting Up Web Interface Management” on page Refer to “Setting Up Command Line Interface Management” on pageInterface Command LineRefer to “Setting Up SNMP Management” on page using TelnetInterface Setting Up Webdescribed in “Setting Up Overview” on page Choosing a Browsermanagement for your Switch. If you use 3Com Network Supervisor it Setting Up SNMPOver the Network the CD-ROM that accompanies your Switch to provide SNMPThe security device user modify command on the CLI, or The Security Device User Modify operation on the web interface Default Users and Passwords52 CHAPTER 3 SETTING UP FOR MANAGEMENT PROBLEM SOLVING Solving Problems Indicated by LEDs Solving Hardware ProblemsSolving Communication Problems Solving Software Upgrade Problems On powering-up, the Power/Self Test LED lights yellow Solving Problemssolutions below The Power LED does not lightError message indicating that the GBIC transceiver is faulty ProblemsSolving Communication Problems Error message indicating that the GBIC transceiver is invalidProblems Solving StackFormation How do you obtain a registered IP Address?If you have problems with your software upgrade, refer to the Problem 58 CHAPTER 4 PROBLEM SOLVING SAFETY INFORMATION Important Safety Information Important Safety Information L’information de Sécurité Importante AVERTISSEMENT Cordon électrique Wichtige Sicherheitsinformationen VORSICHT Europe VORSICHT Faseroptikanschlüsse - Optische Sicherheit B PIN-OUTS Null Modem CablePC-AT Serial Cable Signal Modem CableRJ-45 Pin AssignmentsSignal RJ-45 connectors1000BASE-T RJ-45 Pin AssignmentsFunction SignalTable 13 Pin assignments Pin NumberSafety TECHNICAL SPECIFICATIONSSwitch 4226T 3C17300 Physical DimensionsTerminal Emulation Protocols Used for Administration72 APPENDIX C TECHNICAL SPECIFICATIONS Standards SupportedPower Supply Switch 4250T 3C17302Physical Dimensions SafetyPower Supply Switch 4228G 3C17304Physical Dimensions Safety7 days a week, advance shipment of replacement hardware, and on-site ServicesOnline Technical 3Com. These services can enhance warranty response times. They canUsername anonymous aprtechnicalsupport@3com.com Asia, Pacific RimEurope, Middle East and Africa Latin AmericaCountry Asia, Pacific RimCountry Telephone NumberReturning Products for Repair Telephone Number CountryTelephone Number CountryINDEX Page INFORMATION TO THE USER How to Identify and Resolve Radio-TV Interference ProblemsREGULATORY NOTICES FCC STATEMENT