3Com 16985ua.bk manual Configuration Rules with Full Duplex

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Configuration Rules with Full Duplex

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The key topology rules are:

■Maximum UTP cable length is 100m (328ft) over Category 5 cable.

■A 412m (1352ft) fiber run is allowed for connecting switch-to-switch, or endstation-to-switch, using half-duplex 100BASE-FX.

■A total network span of 325m (1066ft) is allowed in single-repeater topologies (one hub stack per wiring closet with a fiber run to the collapsed backbone). For example, a 225m (738ft) fiber link from a repeater to a router or switch, plus a 100m (328ft) UTP link from a repeater out to the endstations.

Configuration Rules The Switch provides full duplex support for all its ports. Full duplex allows

with Full Duplex packets to be transmitted and received simultaneously and, in effect,

doubles the potential throughput of a link.

With full duplex, the Ethernet topology rules are the same, but the Fast

Ethernet rules are:

■Maximum UTP cable length is 100m (328ft) over Category 5 cable.

■A 2km (6562ft) fiber link is allowed for connecting switch-to-switch, or endstation-to-switch.

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN -OUTS Page Page About this Guide Conventions Icon DescriptionConvention Description Documentation RelatedCompliance YearComments ProductIntroducing the Switch 3300 MM Summary of Features About SuperStack Switch 3300 MMSwitch 3300 MM front view Switch 3300 MM Front View DetailPower/Self Test LED Color Indicates Port Status LEDsUnit LEDs Power Socket Switch 3300 MM Rear View DetailUnits on Switch 3300 MM as a ConfigurationNetwork ExamplesUsing the Switch as a collapsed backbone SwitchUsing the Switch in a desktop environment Fast Ethernet configuration rules Configuration Rules with Full Duplex Introducing the Switch 3300 MM Installing the Switch Rack-mounting Fitting a bracket for rack mounting Repeat steps 2 and 3 for the other side of the SwitchTreated as a single manageable unit with one IP address Stacking UnitsStacking Units Stack of three units Powered-up and ready for operation Power-upSwitch 3300 MM SequenceCorrect Cables ChoosingPort, you need a cross-over cable. Most of the 10BASE-T Color StateProblem Network. For information on managing the Switch using SwitchManaging GuideSafety Information Important Safety InformationPersonnel only Important Safety Information Sécurité Importante ’information dePersonnel qualifié Étroites’information de Sécurité Importante Wichtige Sicherheitsinformat ionen PC-AT Serial Cable Null Modem CablePin to RS-232 25-pin Pin to 9-pinPin Number Signal Function ConnectorsModem Cable RJ45 PinPin Number Signal Function Appendix B PIN-OUTS Safety Physical DimensionsPower Supply Environmental RequirementsVlan MIB RFC Online Technical ServicesUsername anonymous Country Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle EastCountry Telephone Number Fax Number Glossary Collision BroadcastEndstation EthernetLine speed See baud Multicast LoopProtocol RepeaterStack ServerSuperStack TelnetGlossary Index Index 3Com Corporation Limited Warranty Page Disclaimer Regulatory Notices

16985ua.bk specifications

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