3Com 3 manual Installing the Switch

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26CHAPTER 2: INSTALLING THE SWITCH

Inserting an SFP To be recognized as valid, the SFP transceiver must have the following Transceiver characteristics:

■1000BASE-SX SFP transceiver

Use this transceiver to connect the Switch directly to a multimode fiber-optic cable.

■1000BASE-LX SFP transceiver

Use this transceiver to connect the Switch directly to a single-mode fiber-optic cable or to multimode fiber using a conditioned launch cable.

■1000BASE-LH70 SFP transceiver

Use this transceiver to connect the Switch directly to a single-mode fiber-optic cable.

■1000BASE-T SFP transceiver

This transceiver uses Category 5 copper cabling with RJ-45 connectors and supports segment lengths of up to 100 m (328 ft).

If the SFP transceiver is faulty, it will not operate within the Switch. See “Solving Hardware Problems” on page 49.

Use of non-3Com SFPs is not recommended. If the SFP transceiver is invalid it will not be recognized by the Switch.

Use the following sequence of steps to activate the SFP ports:

1The SFP transceiver is keyed and there is only one way in which it can be installed correctly. It is not necessary to power-down your Switch.

2Hold the transceiver so that the connector is toward you and the product label is visible, as shown in Figure 7. Ensure the wire release lever is closed (in the upright position).

3Gently slide the transceiver into the SFP port until it clicks.

CAUTION: SFP transceivers are keyed and can be properly inserted only one way. If the transceiver does not click when you insert it, remove it, turn it over, and reinsert it.

4Remove the plastic protective cover if fitted.

5Use the appropriate cable to connect the transceiver to a suitable device.

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Contents
SuperStack 3Com Corporation 350 Campus Drive Marlborough, MA United States Government LegendContents Setting UP for Management PIN-OUTS Page About this Guide Convention Description ConventionsIcon Description Related DocumentationAbout this Guide Introducing About the Switch FamilySwitch 4200 Family Front View DetailIntroducing the Superstack 3 Switch 4200 Family Port Status LEDs 10/100/1000BASE-T ports Color Indicates Port Status LEDs 10BASE-T/100BASE-TX portsPort Status LEDs SFP ports Unit LEDsAlert LED LED Color Indicates Power/Self Test LEDRear View Detail Rmon Alarm Feature Switch 4200 Family Automatic IP ConfigurationDuplex Mode Quality of Service QoSIntroducing the Superstack 3 Switch 4200 Family Installing the Switch Site Package ContentsChoosing a Suitable Rack-mounting Repeat steps 2 and 3 for the other side of the Switch Fitting a bracket for rack-mounting Stacking Units Placing Units On Top of Each Other Switch 4200 Family Power-upPowering-up SequenceColor State SFP port on the Switch 4200 28-PortSFP Operation Installing the Switch Correct Cables Your SwitchChoosing TransceiverFiber Cables Cross-over Cable Straight-through CableChoosing the Correct Cables Installing the Switch Setting UP for Management Automatically configured IP information Setting UpConfigure IP information manually for your Switch or view OverviewManual IP Configuration Automatic IP ConfigurationSetting UP for Management Manually Configuring IP Information Pre-requisitesSetting Up the Switch with IP Information Connecting the Workstation to the SwitchConfiguring the Workstation with IP Information Using Command Line Interface via Telnet Example top-level command line interface menu Connecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Example top-level command line interface menu Automatically Configured IPViewing Viewing Automatically Configured IP Information Viewing IP Information via the Console Port Methods of Managing a Switch Refer to Setting Up Command Line Interface Management on Interface Management Command LineNetwork Using Telnet CLI Management viaChoosing a Browser Setting Up WebInterface Over the Network Setting Up SnmpManagement Protocol Snmp can manage a Switch if Management workstationDefault Users User Default Access Level Name PasswordSecurity device user modify command on the CLI, or Security Device User Modify operation on the web interfaceSetting UP for Management Problem Solving For Technical Support information, see Appendix DPower LED does not light Solving ProblemsSolutions below On powering-up, the Power/Self Test LED lights yellowIP Addressing Solving Communication ProblemsError message indicating that the SFP transceiver is faulty Formation Upgrade ProblemsSolving Stack Solving SoftwareSafety Information Important Safety Information This must be approved for the country where it is usedImportant Safety Information ’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Información de seguridad importante Schuko Importanti informazioni di sicurezza Avvertenza Lunità deve disporre di messa a terra Prodotto Laser Classe Pin to RS-232 25-pin Null Modem CablePC-AT Serial Cable Pin to 9-pinAssignments Modem CableRJ-45 Pin Pin Number 10/100 1000Pin Number 10/100 1000 Appendix B PIN-OUTS Switch 4200 26-Port 3C17300A Switch 4200 50-Port 3C17302A Switch 4200 28-Port 3C17304A Appendix C Technical Specifications Product ServicesRegister Your PurchaseOnline Access SoftwareTroubleshoot DownloadsContact Us US and Canada Telephone Technical Support and Repair Country Telephone NumberLatin America Telephone Technical Support and Repair Index NumbersSFP ports 14 SFP transceiver Regulatory Notices
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