3Com 9400 manual Installing the System in a Distribution Rack, Installing System Mounting Brackets

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18CHAPTER 2: INSTALLING THE SYSTEM

Installing the System in a Distribution Rack

You can mount the CoreBuilder 9400 system into a

48.26mm (19-in.) distribution rack. This section describes how to prepare the system and distribution rack for installation and how to mount the system in the rack.

Install your distribution rack near an easily accessible power outlet. You can power down the system only by removing the power cord from the power source.

To prepare the system and distribution rack for installing the CoreBuilder 9400 system:

1See Appendix C for distribution rack requirements.

2Attach one of the L-shaped mounting brackets to one side of the CoreBuilder 9400 using the 8-32 x 1/2 Phillips flat-head screws. Attach the other bracket to the other side. See Figure 4.

Figure 4 Installing System Mounting Brackets

Mounting screws	Mounting bracket

3C94024
			1000BASE SX
TX	1	RX	TX	2	RX	TX
			1000BASE SX
TX	4	RX	TX	5	RX	TX
			1000BASE SX
TX	7	RX	TX	8	RX	TX
			1000BASE SX
TX	10	RX	TX	11	RX	TX

3Carefully lift the system into place, aligning the bracket holes with the distribution rack holes.

4While you hold the system in place, insert the four mounting screws (10-32 x 1/2 Phillips pan-head) into the mounting holes on each side of the rack.

5Tighten the mounting screws.

You are now ready to cable the system. For cabling instructions, see Chapter 3.

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Contents CoreBuilder United States Government Legends Japan Vcci Class a ComplianceAustralian EMC Frameworks Compliance Page Contents System Specifications Introduction Finding Specific Information in This GuideFor information on Icon Type Description ConventionsFor information on Turn to Convention DescriptionCoreBuilder 9400 Documentation Paper DocumentsDocumentation Comments Year 2000 ComplianceSoftware and Documents on CD-ROM CoreBuilder 9400 Intelligent Switch System Features and BenefitsNetwork Configuration Example Speeding Up Server AccessSystem Management System Overview Front Panel 10BASE-TXSystem Overview Back Panel Back Panel of the CoreBuilder 9400 SystemSuperStackII Switch System Overview Sample ApplicationSystem and Setup Overview Installing the System on a Table Top Before You BeginQty To use Installing the System in a Distribution Rack Installing System Mounting BracketsFiber Safety Precautions Overview of CablingCabling Gigabit Ethernet Ports Guidelines for Gigabit Ethernet CablingCabling 1000BASE-SX Ports Cabling Gigabit Ethernet PortsSystem is powered on and running Cabling 1000BASE Gbic PortsSC connector cover Connecting the LX Transceiver to MMF When you cable Gbic transceivers, note that the SC Cabling the Console Port Pin No Signal Description Cabling the Out-of-Band Management PortConsole Port Pin Assignments Male RJ-45 connector 10BASE-T cable System Power UP Power UpPower-up Diagnostics System DiagnosticsGigabit Ethernet Port Diagnostics Check Description Next Step Software ConfigurationSystem Checks SystemSystem Power UP Access Allows you to Using Mechanism About CoreBuilder 9400 System ManagementTerminal Connection Modem ConnectionIP Management Interface Initial Management Access Changing the Console Port Baud SettingConfiguring the IP Interface In-band ManagementOut-of-band Management Getting Additional Help Diagnosing ProblemsPower Failures Abnormal LED ActivitySymptom Possible Sources of the Problem Steps to Take Diagnosing Problems LED Status Possible Sources of the Problem Steps to TakeCleaning Dirty Fiber Optic Ports and Connectors Power Supply Specifications Physical DimensionsSafety Agency Certifications Environmental RequirementsSnmp protocol RFC Software Tftp RFC InstallationStandard Type RFC/IEEE Supported MIB II RFCRemoving and Replacing the Power Supply Safety PrecautionsPower Supply Assembly Removal and Replacement AudienceRemoving and Replacing the Power Supplies Fan Tray Assembly Removal and Replacement Fan Tray Assembly Removal and ReplacementAppendix B FIELD-REPLACEABLE Units General Safety Requirements Wiring Closet RecommendationsDistribution Rack Requirements Protective Grounding for the RackSpace Requirements for the Rack Recommended Service Access Mechanical Requirements for the RackBuilding and Electrical Codes Building CodesNfpa Electrical CodesAppendix C Site Requirements and Safety Codes Online Technical Services 3Com Knowledgebase Web ServicesWorld Wide Web Site 3Com FTP Site 3Com Bulletin Board Service3Com Facts Automated Fax Service Country Data Rate Telephone NumberSupport from Your Network Supplier Support from 3ComEurope Country Telephone Number Asia Pacific RimCountry Latin AmericaReturning Products for Repair Country Telephone Number Fax NumberAppendix D Technical Support Index NumbersIndex Recommendations World Wide Web WWW 50, 51 Index 3Com Corporation Limited Warranty CoreBuilder 9400 High-Availability SwitchWarranties Exclusive