Enterasys-networks Enterasys Gold Distributed Forwarding Engine 4G428 Uživatelský manuál stáhnout pdf (Strana 53)

Connecting to the Network

Enterasys Matrix DFE-Gold Series PoE Module Hardware Installation Guide 3-19

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

Between Switches and End User Devices

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

outlinedintheCablingGuide.Referto“RelatedDocuments”inAbout ThisGuide

forinformationonobtainingthisdocument.

IfalinkisnotestablishedanditisconnectedtoaPD(PoweredDevice),checkthePoE



PortStatustoensurethatthereis48Vdcpoweratthe4G4285‐49or4G4205‐72RJ45

port.Referto“VerifyingPoEPortStatus”onpage 3‐19.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4G4285‐49or4G4205‐72RJ45port,ensurethatthereispowerat

theRJ45portasfollows:

1. PressontheGROUPSELECTswitchformorethanonesecond.The4G4285‐49/

4G4205‐72willenterthePoEstatusmode,whichwillindicateaset

ofpowerstatus

conditionsrelatingtothePoEPortStatus.

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

2 Other device port

TX1+

TX2+

RX4-

RX1-

TX4+

RX3-

TX3+

RX2-