Enterasys-networks Enterasys Platinum Distributed Forwarding Engine 7 Manual de usuario descargar pdf (Pagina 46)

Connecting to the Network

3-14 Installation

Figure 3-4 Connecting a Twisted Pair Segment with RJ45 Connector

3. Verifytha t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groupofsegments,pressthe

GROUPSELECTbuttonforlessthanonesecond(seeFigure 3‐4)tosteptothe

groupofinterest(Groups1through4).

b. EachtimetheGROUPSELECTbuttonispressedforlessthatonesecond,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.

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.

1 RJ45 cable connector 2 RJ45 port connector 3 GROUP SELECT button

Note: If the RX and TX LEDs of a port do not indicate a link and the end-point device is a

PD, you may have a port without 48 Vdc to operate the PD. To check the PoE Port Status,

refer to “Verifying PoE Port Status” on page 3-17.

11X

OFFLINE/

RESET

COM

MGMT

GROUP

SELECT

GROUP

12 X

POE

CPU

7G4285-49

Gb ENET

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 95 96

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Enterasys-networks Enterasys Platinum Distributed Forwarding Engine 7 Manual de usuario Pagina 46