Enterasys 2S4082-25-SYS Installationsanleitung PDF herunterladen (Seite 48)

Connecting to the Network

4-8 NAC Controller PEP Installation

Figure 4‐5showsconnectingatwistedpairsegmenttothe2S4082‐25module.Itisassumedthat

thechassispoweristurnedontoprovidepowertothemodule.RefertoFigure 4‐5andproceedas

follows:

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

ON.

2. ConnectthetwistedpairsegmenttothemodulebyinsertingtheRJ45connectoronthe

twistedpairsegmentintotheappropriateRJ45portconnector. 

Figure 4-5 Connecting a Twisted Pair Segment to the NAC Controller PEP

3. VerifythatalinkexistsbycheckingthattheportRX(Receive)LEDisON(flashingamber,

blinkinggreen,orsolidgreen).IftheRXLED

isOFFandtheTX(Transmit)LEDisnot

blinkingamber,performthefollowingstepsuntilitison:

a. Toviewthereceiveandtransmitactivityonagrou pofsegments,presstheGROUP

SELECTbutton(seeFigure 4‐5)tosteptothegroupofinterest(Groups1and2).

Each

timetheGROUPSELECTbuttonispressed,theGROUPLEDlightsupinsequence,

indicatingwhichGroupisselected.Thereceiveandtransmitactivityforthatgroupof

segmentsisthenindicatedbytheRXandTXLEDsforeachsegment.

b. VerifythatthecablingbeingusedisCategory5

UTPwithanimped ancebetween85and

111 ohms. Fortheporttooperateat100or1000Mbps,Category 5cablingmustbeused

andinstalledproperly.

c. Verifytha tthedeviceattheotherendofthetwistedpairsegmentisonandproperly

connectedtothesegment.

d. 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switchesorhubdevicesandanend

user(computer).RefertoFigure 4‐6andFigure 4‐7for

four‐wireRJ45connections.Refer

toFigure 4‐8and Figure 4‐9foreight‐wireRJ45connections.

1 RJ45 connector 2 RJ45 port connector (port 1) 3 GROUP SELECT button

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 107 108

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Enterasys 2S4082-25-SYS Installationsanleitung Seite 48