Enterasys Networks G3G124-24 Manuel d'utilisateur télécharger pdf (Page 37)

Connecting to the Network

Enterasys G-Series Hardware Installation Guide 2-15

ToconnecttwistedpairsegmentstotheG‐Series,refertoFigure 2‐5and proceedasfollows:

1. Ensurethatthedevicetobeconnectedattheotherendofthesegmentispoweredon.

2. ConnectthetwistedpairsegmenttotheG‐SeriesbyinsertingtheRJ45connectoronthe

twistedpair

segmentintothedesiredRJ45port.

Figure 2-5 Connecting a UTP Cable Segment to RJ45 Port

3. VerifythatalinkexistsbycheckingthattheLink/ActivityLEDison(solidgreenorblinking

green).IftheLink/ActivityLEDisoff,performthefollowingstepsuntilitison:

a. VerifythatthecablingbeingusedisCategory 5orbetterwithan

impedancebetween85

and111 ohmswithamaximumlengthof100meters(328feet).

b. Verifythatthedeviceattheotherendofthetwistedpairsegmentisonandproperly

connectedtothesegment.

c. VerifythattheRJ45connectorsonthetwistedpairsegmenthavetheproperpinoutsand

check

thecableforcontinuity.Typically,acrossovercableisusedbetweenhubdevices.A

straight‐throughcableisusedtoconnectbetweenG‐Seriesesorhubdevicesandanend

user(computer).RefertoFigure 2‐6andFigure 2‐7forfour‐wireRJ45connections.Refer

toFigure 2‐8andFigure 2‐9

foreight‐wireRJ45connections.

d. EnsurethatthetwistedpairconnectionmeetsthedBlossand cablespecificationsoutlined

intheCablingGuide.Referto“RelatedDocuments”onpage xviforinformationon

obtainingthisdocument.

4. Ifalinkisnotestablished,contactEnterasys Networks.Referto“GettingHelp”onpage xviii

fordetails.

Repeatallstepsaboveuntilallconnectionshavebeenmade.

Note: All RJ45 front panel and IOM ports support Category 5 Unshielded Twisted Pair (UTP)

cabling with an impedance between 85 and 111 ohms. Category 3 cable may be used if the

connection is going to be used only for 10 Mbps.

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Enterasys Networks G3G124-24 Manuel d'utilisateur Page 37