Enterasys Enterasys Matrix 9033989-06 Guía de instalación descargar pdf (Pagina 43)

Connecting to the Network

Matrix DFE-Gold Series PoE Module 4H4285-49 Installation Guide 3-15

c. VerifythatthecablingbeingusedisCategory5UTPwithanimpedancebetween

85and111 ohms.Iftheportistooperateat100 Mbps,category 5cablingmustbe

used.

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

properlyconnectedtothesegment.

e. 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 3‐5

and

Figure 3‐6forfour‐wireRJ45connections.RefertoFigure 3‐7andFigure 3‐8for

eight‐wireRJ45connections.

Figure 3-5 Four-Wire Crossover Cable RJ45 Pinouts, Connections Between Hub

Devices

1 RJ45 device port 3 RJ45-to-RJ45 crossover cable

2 Other device port 4 RX+/RX- and TX+/TX- connections. These

connections must share a common color pair.

TX+

TX

RX+

RX 2

TX+

TX

RX+

RX

ÀÁ

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Enterasys Enterasys Matrix 9033989-06 Guía de instalación Pagina 43