Enterasys Networks 4H4283-49 Manual

A SERVICE OF

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Connecting to COM Port for Local Management

3-20 Installation

1. 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andtheTX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switch(seeFigure 3‐11)tosteptotheappropriategroup.Each

timetheGROUPSELECTswitchispressed,theGROUPLEDlightsupin

sequence,indicatingwhichGroupisselected.Onthe4H4284‐49,youcanstepto

1,2,3,or

4forGroups1through4.Thereceiveandtransmitactivityforthat

groupofsegmentsisthenindicatedbytheRXandTXLEDsforeachsegment.

b. Ifthereareseparatefiber‐opticconnectionsontheotherdevice,checkthe

crossoverofthecables.Swapthecableconnectionsifnecessary.

c. Verify

thatthefiberconnectionmeetsthedBlossandcablespecificationsfor

multimodecabling,asoutlinedintheCablingGuide.

Ifalinkisnotestablished,seeChapter 4fortroubleshootinginformationbefore

contactingEnterasysNetworks.TocontactEnterasysNetworks,referto“GettingHelp”

onpage xviiifordetails.

Connecting to COM Port for Local Management

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

•RJ45‐to‐DB25femaleadapter

•RJ45‐to‐DB25maleadapter

WithaUTPstraight‐throughcablewithRJ45connectorsandRJ45‐to‐DB9

adapter,you

canconnectproductsequippedwithanRJ45COMporttoanIBMorcompatiblePC

runningaVTseriesemulationsoftwarepackage.

Note: The RJ45 COM port connector is located in approximately the same location on all

DFE-Gold modules. In the following procedures, the 4H4282-49 COM port is shown as an

example in the figures associated with each procedure.