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Enterasys Networks 9033989-06 Switch User Manual

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Connecting to the Network

Matrix DFE-Gold Series PoE Module 4H4285-49 Installation Guide 3-17

f. 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.

IfalinkisnotestablishedanditisconnectedtoaPDdevice,checkthePoEPort

Statusto

ensurethatthereis48Vdcpoweratthe4H4285‐49RJ45port.Referto

“VerifyingPoEPortStatus”onpage 3‐17.Ifthereisstillaproblem,contact

EnterasysNetworks.Referto“GettingHelp”onpage xviiifordetails.

4. Repeatsteps1through3above,untilallconnectionshavebeenmade.

Verifying PoE Port Status

IfaPDisconnectedtothe4H4285‐49RJ45port,ensurethatthereispowerattheRJ45port

asfollows:

1. PressontheGROUPSELECTbuttonformorethanonesecond.The4H4285‐49will

enterthePoEstatusmode,whichwillindicateasetofpowerstatusconditions

relatingtothePoEPortStat us.

2. Now,everytimeyoupresstheGROUPSELECTbuttonforlessthanasecond,the

GROUPLEDlightsupinsequence,indicatingwhichGroupisselected.ThePoE

POWERSTATUSforthatgroupofsegmentsisthenindicatedbytheRXandTXLEDs

for

eachsegment.Ifthereispowerattheport,theRXLEDisgreenandtheTXLEDis

off.Otherwise,refertoChapter 4fortroubleshootinginformation.

Figure 3-8 Eight-Wire Straight-Through Cable RJ45 Pinouts, Connections

Between Switches and End-User Devices

1 RJ45 device port 3 RJ45-to-RJ45 straight-through cable

2 Other device port

TX1+

TX2+

RX4-

RX1-

TX4+

RX3-

TX3+

RX2-

2

1

3

6

4

5

7

8

TX2+

TX1+

RX3-

RX2-

TX3+

RX4-

TX4+

RX1-

2

1

3

6

4

5

7

8

Â

À

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