3Com 3CR16708-91, 3CR16709-91 manual Color Indicates 10BASE-T/100BASE-TX Port Status LEDs

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14CHAPTER 1: INTRODUCING THE OFFICECONNECT MANAGED SWITCH 9 AND SWITCH 9 FX

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 52.

Table 4	LED behavior

LED	Color	Indicates

10BASE-T/100BASE-TX Port Status LEDs
Link/	Green	A 100 Mbps link is present.
Activity	Yellow	A 10 Mbps link is present.
	Yellow	A 10 Mbps link is present.
	Green flashing	There is 100 Mbps activity on the port.
	Yellow flashing	There is 10 Mbps activity on the port.
	Off	No link is present.
Duplex	Green	The port is operating at full duplex
	Off	The port is operating at half duplex, or there is no link.

10BASE-T/100BASE-TX/1000BASE-T (GbE) Port Status LED (Switch 9 only)

Link/	Blue	A 1000 Mbps link is present.
Activity	Green	A 100 Mbps link is present.
	Green	A 100 Mbps link is present.
	Yellow	A 10 Mbps link is present.
	Blue flashing	There is 1000 Mbps activity on the port.
	Green flashing	There is 100 Mbps activity on the port.
	Yellow flashing	There is 10 Mbps activity on the port.
	Off	No link is present.
Duplex	Green	The port is operating at full duplex
	Off	The port is operating at half duplex, or there is no link.

SFP Module Status LED (Switch 9 FX only)
Link/	Green	The port has a link.
Activity	Green flashing	There is activity on the port.
	Green flashing	There is activity on the port.
	Off	No link is present.
Module	Green	The SFP Module is present.
Status		The corresponding 100BASE-FX port is disabled.
	Off	No SFP Module has been inserted.
		The corresponding 100BASE-FX port can be used.

100BASE-FX Port Status LEDs (Switch 9 FX only)
Link/	Green	The port has a link.
Activity	Green Flashing	There is activity on the port.
	Green Flashing	There is activity on the port.
	Off	No link is present.

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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