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Enterasys Networks 7KR4297-02 Switch User Manual

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Connecting to COM Port for Local Management

Matrix DFE-Platinum Series Module Installation Guide 3-11

3. Attheotherendofthefiber‐opticcable,attachtheSCconnectortotheotherdevice.

4. VerifythatalinkexistsbycheckingthattheportRXLEDison(flashingamber,blinking

green,orsolidgreen).IftheRXLEDisoff,thereisnolink.Performthefollowing

stepsuntilit

ison:

a. Checkthatthedeviceattheotherendofthelinkhaspowerturnedonandiscompatible.

b. Verifypropercrossoveroffiberstrandsbetweentheportonthemoduleandthefiber‐

opticdeviceattheotherendofthefiber‐opticlinksegment.

c. Verifythat

thefiber‐opticcablemeetsthespecificationsoutlinedinAppendix Aforthe 

installedEthernetexpansionmodule.

ToremovetheSCcableconnectorfromtheinterfaceport,carefullypulltheconnectoroutofthe

port.Itmayneedtobeloosenedbygentlymovingfromsidetosidetoreleasethelatching

keys.

Ifalinkhasnotbeenestablished,refertoChapter 4forLEDtroubleshootingdetails.Referto

“GettingHelp”onpagexivfordetailsoncontactingEnterasys Networksforsupport.

Connecting to COM Port for Local Management

ThissectiondescribeshowtoinstallaUTPstraight‐cablewithRJ45connectorsandoptional

adapterstoconnectaPC,aVTseriesterminal,oramodemtoanEnterasys Networksmoduleto

accessLocalManagement.Thissectionalsoprovidesthepinoutassignmentsoftheadapters.

What Is Needed

Thefollowingisalistoftheuser‐suppliedpartsthatmaybeneededdependingontheconnection:

•RJ45‐to‐DB9femaleadapter

•UTPstraight‐cablewithRJ45connectors

Figure 3-4 SC Fiber-Optic Cable Connection

1 SC cable connector 4 Receive LED (RX)

2 Latch keys (bottom of SC connector) 5 Transmit LED (TX)

3 SC port interface connector

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