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3Com 3CR16708-91, 3CR16709-91 manual Power and Alert LED colors, Color State

Models: 3CR16708-91 3CR16709-91

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26CHAPTER 2: INSTALLING THE SWITCH

Checking for Correct During the Power On Self Test, all ports on the Switch are disabled. When Operation of LEDs the POST has completed, check the Power and Alert LEDs to make sure

that your Switch is operating correctly. Table 6 shows possible colors for these LEDs.

Table 6 Power and Alert LED colors

LED	Color	State

Power	Green	The Switch is powered-up and operating
		normally.
	Off	The Switch is not receiving power or there is
		a fault with the Power Supply Unit.

Alert	Orange flashing	The Switch is starting up or the Switch
		software is being upgraded.
	Orange	The Switch is reporting a fault (see
		Chapter 4, “Problem Solving”).
	Off	Normal operation.

If there is evidence of a problem, see “Solving Problems Indicated by

LEDs” on page 52.

CAUTION The Switch has no ON/OFF switch; the only method of connecting or disconnecting mains power is by connecting or disconnecting the power adapter.

Using Power over The Switch can power any IEEE 802.3af compliant device through rear Ethernet panel ports 1, 2, 5 and 6. The Switch will support the following 3Com

802.3af equipment:

■Wireless:

■3Com 11 Mbps Wireless LAN Access Point 8000 (3CRWE80096B)

■3Com 11 Mbps Wireless LAN Access Point 8200 (3CRWE820096A)

■3Com 11 Mbps Wireless LAN Access Point 8500 (3CRWE850096A)

■3Com 11 Mbps Wireless LAN Access Point 8700 (3CRWE870096A)

■3Com Wireless LAN Building to Building Bridge (3CRWE91096B)

■Voice Over IP Telephones:

■3Com 11 Mbps Wireless LAN Access Point 8000 (3CRWE80096B)

■3Com 11 Mbps Wireless LAN Access Point 8200 (3CRWE820096A)

■3Com 11 Mbps Wireless LAN Access Point 8500 (3CRWE850096A)

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3Com 3CR16708-91, 3CR16709-91 manual Power and Alert LED colors, Color State

Contents

3CR16708-91 3CR16709-91 3Com Corporation Campus Drive Marlborough, MA USA United States Government LegendContents Setting UP for Management Problem Solving OutsPage About this Guide Convention Description ConventionsIcon Description Documentation RelatedDocumentation Comments Pddtechpubscomments@3com.comIntroducing Hardware Features Switch Switch Front View Detail Alert LED Power LED Port Status Leds PoE Status LedsColor Indicates 10BASE-T/100BASE-TX Port Status LEDs SFP Module Status LED Switch 9 FX only100BASE-FX Port Status LEDs Switch 9 FX only LED Alert LEDSwitch Rear View Detail Switch 9 rear viewSwitch Rear View Detail Page Default Settings shows the default settings for the Switch Page Installing the Switch Site Package ContentsChoosing a Suitable Air temperature around the Switch does not exceed 50 C 122 F Mounting Wall-mountingUpwards Instructions for Cement WallsInstructions for Wood Walls Make two holes 150 mm 5.9 in. apartPower and Alert LED colors Color StatePower-up Sequence Cross-over Cable Straight-through Cable SFP Operation Installing the Switch Inserting a SFP Transceiver 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-requisitesConnecting the Workstation to the Switch Connecting a workstation to the Switch via the console portSetting Up the Switch with IP Information Example top-level command line interface menuAutomatically 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 Refer to Setting Up Web Interface Management onInterface 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 Name Password Access LevelDefault Users and Passwords Setting UP for Management Problem Solving Solving Problems Indicated by LEDsSolving Hardware ProblemsRefer to the list of suggested solutions below How do you obtain a registered IP Address? Solving Communication ProblemsIP Addressing Solving Software Upgrade Problems Problem Solving Safety Information Power Cord Set Japan Important Safety Information This must be approved for the country where it is usedImportant Safety Information ’information de Sécurité Importante Schko’information de Sécurité Importante Wichtige Sicherheitsinformationen Vorsicht EuropeInformación de seguridad importante Schuko Dispositivo Láser DE Clase Importanti Informazioni di Sicurezza CSAAvvertenza porte a fibre ottiche Protezione degli occhi Appendix a Safety Information Adapter Cable RJ-45 Pin Signal DB-9 Pin DirectionRJ-45 to RS-232 Panel. The pinout is shown belowAssignments ConnectorsRJ-45 Pin Pin NumberOfficeConnect Managed Switch 9 and Switch 9 FX Terminal Emulation Protocols Used for AdministrationStandards Supported 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 Snmp Regulatory Notices