Enterasys C2RPS-SYS Instalační příručka stáhnout pdf (Strana 58)

Connecting to the Network

3-30 Hardware Installation

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

switchesorhubdevicesandanenduser(computer).RefertoFigure3‐17and

Figure3‐18forfour‐wireRJ45connections.RefertoFigure3‐19andFigure 3‐20

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xivfor

informationonobtainingthisdocument.

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

page

1‐6fordetails.

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

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Enterasys C2RPS-SYS Instalační příručka Strana 58