3Com DUA1698 manual Color Indicates Port Status LEDs, Unit LEDs, Power/Self Test LED

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14CHAPTER 1: INTRODUCING THE SWITCH 3300 XM

Table 3

LED behavior

 

 

 

 

LED

Color

Indicates

 

 

Port Status LEDs

 

Packet

Yellow

Packets are being transmitted/received on the port.

 

Off

No packets are being transmitted/received on the

 

 

port.

Status

Green

A link is present, and the port is enabled.

 

Green flashing

A link is present, but the port is disabled.

 

Off

No link is present.

Unit LEDs

 

1–8

Green

The Switch forms a stack with other Switch units;

 

 

the LED indicates the position of the Switch in the

 

 

stack and that a link is present. Note that although

 

 

there are eight LEDs, only four Switch units can be

 

 

stacked at present.

 

Off

The Switch is stand-alone.

Power/Self Test LED

 

 

Green

The Switch is powered-up.

 

Green flashing

The Switch is either downloading software or is

 

 

initializing (which includes running a Power On Self

 

 

Test).

 

Yellow

The Switch has failed its Power On Self Test.

 

Off

The Switch is not receiving power.

 

 

 

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Page Page About this Guide Convention Description ConventionsIcon Description Related DocumentationComments YearCompliance ProductIntroducing the Switch 3300 XM About SuperStack Switch 3300 XM Summary of FeaturesSwitch 3300 XM Front View Detail Switch 3300 XM front viewUnit LEDs Power/Self Test LEDColor Indicates Port Status LEDs Switch 3300 XM Rear View Detail Power SocketUnits on Network ConfigurationSegmentation Switch ExamplesSwitch Using the Switch as a collapsed backboneSwitch Fast Ethernet configuration rules Configuration Rules with Full Duplex Introducing the Switch 3300 XM Installing the Switch Rack-mounting Repeat steps 2 and 3 for the other side of the Switch Stacking Units 3C16965. Contact your supplier for detailsYou need only one SuperStack 3 Switch 3300 MM per stack Stack of three units Switch 3300 XM Power-upPowered-up and ready for operation SequenceColor State ChoosingCorrect Cables Problem Switch ManagingSafety Information Personnel only Important SafetyInformation Important Safety Information ’information de Sécurité Importante’information de Sécurité Importante Wichtige Sicherheitsinformat ionen PIN-OUTS PC-AT Serial CableRJ45 Pin Pin Number Signal FunctionModem Cable AssignmentsPin Number Signal Function Appendix B PIN-OUTS Power Supply Physical DimensionsSafety Environmental RequirementsVlan MIB RFC Services Online TechnicalUsername anonymous Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific RimCountry Telephone Number Fax Number Glossary Collision BridgeBroadcast EndstationPage Multicast Line speedLoop ProtocolSuperStack ServerStack TelnetGlossary Index Index 3Com Corporation Limited Warranty Page Disclaimer Regulatory Notices