3Com DUA1698 manual Choosing, Correct Cables, Color State

Page 30

30CHAPTER 2: INSTALLING THE SWITCH

	Table 4	LED colors

	Color	State

	Green	The Switch is powered-up and
		operating normally
	Yellow	The Switch has failed its Power On Self
		Test. This occurs if any of the ports fail
		during power-up.
	Off	The Switch is not receiving power.

	If there is evidence of a problem, see “Solving Problems Indicated by
	LEDs” on page 31.

Choosing the	All of the ports on the front of the Switch 3300 XM are configured as
Correct Cables	MDIX (cross-over). If you want to make a connection to another MDIX
	port, you need a cross-overcable. Most of the 10BASE-T and
	100BASE-TX ports on 3Com devices are MDIX-only. Many ports on

workstations and servers are configured as MDI (straight-through). If you want to make a connection to an MDI port, you need to use a standard straight-throughcable. This is illustrated in Figure 10.

Figure 10 Connecting other devices to the Switch 3300 XM

Image 30

Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Page Page About this Guide Conventions Icon DescriptionConvention 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 viewPower/Self Test LED Color Indicates Port Status LEDsUnit 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 SequenceChoosing Correct CablesColor State Problem Switch ManagingSafety Information Important Safety InformationPersonnel only 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