Test-Um NT700, NT750 User Manual

LanScaper

OPERATINGINSTRUCTIONS

TM

LanScaper

LinkIndicator - Onwhen
networklinkisestablished.

Back-litLCD -2lines
by16charactersw/icons.

CurserKeys -Usedtoscroll
throughoptions,setaddresses
andadjustvalues.

SelKey -Selectkeyisusedto
enterdisplayedoperatingmode,
startanewtest,changethe
valueofanoption,enter
sub-menusormove
tothenextscreen.
(Dependingoncontext)

TM

RJ45Jack -Connectto
cableorjacktobetested.

ModeKey - PressCABLEfor
cablemodes,pressNTWRK
fornetworkmodesorpressthe
center(bothatonce)forSETUP
mode.

PowerKey - PressPWRtoturn
ontheLanScaperinthemodeat
poweroff.FurtherpressesofPWR
togglethebacklightonandoff.
Holddowntoturnoff.

BatteryCap -Pressdown
withheelofhandtoopen.

LanScaper

1.0INTRODUCTION

1.1Cautions

1.2KitContents

1.3Features

1.4UsingthisManual

1.5NetworkConnectivity

2.0STEPBYSTEPUSEINSTRUCTIONS

2.1ToIDanUnknownJackorPlug

2.2ToTestCablesOnly

2.3ToPlaceToneonaCable

2.4ToMeasureLengthofaCable

2.5ToLocateanEthernetPort

2.6ToPINGDevicesonaNetwork

2.7ToValidateaCableLinkbyFunctionalTesting

2.8ToChangePINGAddressingMode

3.0FUNCTIONALDESCRIPTION

3.1VoltageCheck

3.2CableTestModes

3.2.1JackID

3.2.2CableTest

3.2.3CableLength

3.2.4ToneGenerator

3.3NetworkTestModes

3.3.1FlashLinkLED

3.3.2PINGTest

3.3.3ValidateLink

4.0SETUPMODE

4.1TargetSetupSub-Menu

4.2PINGSetupSub-Menu

4.3LastDHCP

4.4DHCPOn/Off

4.5MACadd

4.6Units-Feet/Meters

5.0STATUSANDERRORMESSAGESFORNETWORKTESTMODES

6.0INTERPETINGCABLETESTRESULTS
Figure6.1CablingErrorsExamples

7.0MAINTENANCE

7.1BatteryReplacement

7.2ToResettheProcessor

8.0SPECIFICATIONS

AppendixA:GlossaryofNetworkingTerms
AppendixB:InternetProtocolDefinitions
WarrantyInformation

TM

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LanScaper

ApplicationHints:

TM

Fordetaileddescriptionofeachfunction,seetheFunctionalDescriptionsection.InterpretingCable
TestResultsandErrorMessagessectionsareusefulreferencesections.

1.5NetworkConnectivity

-TheLanScaperusesIPaddressprotocolandrecognizesAuto-

™

NegotiationusingFastLinkPulsestoreportadvertisedEthernetcapability.LanScaper™also
supportsamodifiedversionofautoMDI/MDI-XtoallowforconnectiontoaHUB,switchorNIC
withastraightthroughcable.TheLanScaper™operatesusing10base-Tforallnetwork
transmissions.Thevastmajorityof100base-TFastEthernetproductssupport10base-T.However,
shouldaHUBorswitchbe100base-Tonlythroughsettingsorbydesign,adifferentport,a
changeofsettingsorinsertionofaninexpensive10/100HUBinlinewiththeLanScaper™willbe
necessary.

ToturntheLanScaper™offafteranytest,press

2.0STEPBYSTEPUSEINSTRUCTIONS

-

andholdPWRbuttonuntilthedisplayturnsoff.Thetesterwillturnoffautomaticallyafterabout
15minutesinallmodesexceptToneGenerator,whichis60minutes,andFlashLinkLED,whichis
30minutes.Whenconnectingtounknownjacksorcables,itisbesttobeginwiththepoweroffand
turntheLanScaper™onaftertheconnectionismade.Thisinsuresthatthevoltagecheckwillbe
runfirstbeforeanyothertesting.

2.1ToIDanUnknownJackorPlug-

1)WithLanScaper™poweredoff,connecttounknownjackorplug.

2)PressCABLEbutton,LanScaper™willpoweroninJackIDmodeanddeterminewhatdeviceis
connectedtotheotherendofthecableortestthecableifnoconnectionisfound.

2.2ToTestCablesOnly

-SkipstheIDportionoftheJackIDtestabove.

1)ConnectoneendofcableruntobetestedtoLanScaper™.PressCABLEbuttonrepeatedlyuntil
CableTestisdisplayed(twiceifunitwasoff).PressSELbuttontoentertest.

2)Ifthecableisconnectedwhilethetesterison,asingle-endedtestforshorts,opensandsplit
pairswillmostlikelybeinprogress.PressSELbuttontoforceanewtesttobegin.

3)Foracompletetest,connectaremotetotheotherendofthecable.

Anypatchcablesusedtoconnectthetesterandremotetoacablerunmustbe
shortcomparedtothecablerunforaccurateopenandsplitpairindication,nomorethan10%of
thetotalrunlengthor3feet,whicheverisless.Acablemustbeatleast4feetlongforsingle­endedtesttoworkproperly.

2.3ToPlaceToneonaCable-

1)Connectcabletobetracedtomainunit.TurnontesterbypressingCABLEbutton.Press

CABLEbuttonuntilToneGeneratorisdisplayed,thanpressSELbutton.

2)PressSELuntildesiredtoneisselected.Theup/downarrowkeysselectthepinorpair(s)to

carrythetone.

3)Forstrongestsignal,donotconnectremote.Duetotheshieldingeffectoftwistedpairs,the

strongestsignalisobtainedbyhavingonewireofapaircarrytone.Selectingasinglepin
insteadofapairwilldothis.

2.4ToMeasureLengthofaCable-

1)Connectcabletomainunit.Aremotemaybeattheotherend,butisnotrequired.

2)TurnonunitbypressingCABLEbutton.PressCABLEbuttonuntilCableLengthisdisplayed,
thenpressSELbutton.Tochangelengthunitsbetweenfeetandmeters,usesetupmode.

LanScaper

minimizetheresolutionerror(1footin50is2%uncertainty).Connectknowncabletotesterand

3)Pressup/downarrowstoadjustlengthconstant.Iflengthconstantisunknownforaparticular

cable,aknownlengthofcablemaybeusedtosettheconstant.Fiftyfeetormoreissuggestedto
changethecableconstantusingup/downarrowsuntilthelengthreadscorrectly.

2.5ToLocateanEthernetPort

1)WithLanScaper™poweredoff,connectLanScaper™toajackorplugattheworkstation

locationforwhichtheEthernetportistobelocated.

2)PressNTWRKbutton,LanScaper™willpowerupintheFlashLinkLEDmodeandconnect to

theEthernetportonaHUB,switchorNIC.Evenifnoconnectionismade,toneisgeneratedon
thecabletoaidinfindingthecablewithatonetracerattheotherend(equipmentcloset).

3)IfanEthernetlinkisactiveonthecabletheLanScaper™turnsonitslinkLEDandbegins

flashingitinunisonwiththelinkindicatoronaportoftheHUB,switchorNICattheotherend.
Toneisalsogeneratedonthecableinthiscondition,butatadifferentcadencetoindicatehaving
establishedalink.

TM

2.6ToPINGDevicesonaNetwork

PINGfunctionoperatesintwomodesDHCPOnandOff(Manual).ThisisselectedinSETUPby
theDHCPOn/Offoption.Nootherentriesarerequiredtoestablishcommunicationswitharouter
andaDNSserveronaDHCPnetwork.ToPINGaspecifictarget(Tg1-4),theaddressmustbe
enteredandthedesiredtargetaddressselectedinSETUPbeforestartingthePINGtest.InDHCP
Offmode,allIPconfigurationinformationmustbeenteredinSETUPfirst.(PINGSetupoption)

1)WithLanScaper™poweredoff,connecttonetwork.

2)PressNTWRKbuttonrepeatedlyuntilPINGTestisdisplayedonscreen(twopresseswhenoff).

PressSELbuttontoentertest.Severalstatusscreenswillbedisplayedwhileestablishingalink
andnegotiatingtheDHCPconfiguration.OncePINGingbegins,aPINGstatusscreenwillbe
displayed,showingacronymsforeachactiveconversation.

3)Pressleftorrightarrowstomovecurser()nexttoadeviceacronym.PressSELbuttontoview

moreinformationaboutadevice.Thereareatotalofthreescreenstoview.PressSELbuttonto
advancetothenextscreenorthescreenwilladvanceautomaticallyafter10seconds.

2.7ToValidateaCableLinkbyFunctionalTesting

exerciseacablelinkwithnoadditionalequipmentbeingrequired.Thiscanalsobedonethrough
aHUBorswitchwithorwithoutanyotherequipmentbeingpresent.ThetwoLanScapers™will
bereferredtoastheValidatorandthePINGGenerator.TheValidatorusestheValidateLink
modeandthePINGGeneratorusesPINGTestmode.

1)ConnecttheValidatortooneendofthelinktobetested.

2)PressNTWRKbuttonuntilValidateLinkisdisplayed.PressSELbuttontoactivatetest.

3)InSETUP,setPINGGeneratortoDHCPOff(seeToChangePINGAddressing,below).A

specificmanualaddressdoesnotneedtobeset,thePINGGeneratorwillrecognizetheValidator
andassignaddressing.

4)ConnectthePINGGeneratortotheotherendofthelink.

5)OnthePINGGenerator,pressNTWRKbuttonuntilPINGTestisdisplayedandpressSEL

buttontobegin.

6)ThetargetorrouteracronymwillchangetoValonthePINGGeneratorwhentheValidatoris

foundandaddressingassigned.ThePINGGeneratoroperatesandaccumulatesinformationasin
thenormalPINGTest.TheValidatordisplaysapacketcountonlyonitsscreen.

-Ifthejackorplugisunknown,runJackIDtestfirst.The

-TwoLanScaper™testerscanbeusedto

LanScaper

2.8ToChangePINGAddressingMode

3.1VoltageCheck-

3.2CableTestModes-

1)TurnonLanScaper™bypressingPWRbuttonandpressthemiddleoftheCABLE/NTWRK

2)Pressdownarrowbuttonthreetimes,DHCPOnorDHCPOffshouldbedisplayed.

3)PressSELbuttontotogglebetweenonandoff.Displayedvalueiscurrentsetting.

4)PressCABLEorNTWRKtoexittoatestorpressandholdPWRbuttontopoweroff.

PINGtesterinonetester.TheLanScaper™hasabacklitLCDdisplayandeightmomentar

buttons.Therubberendcapatthebottomisthebatterycompartmentcover.

TheLanScaper™ispoweredonbypressinganyoneofthreebuttons:PWR,CABLEorNTWRK.

ThetesterwillturnoninthelastmodeusedbeforeturningoffifthePWRbuttonispressed.Ifthe

CABLEbuttonispressed,thetesterimmediatelystartsexecutingtheJackIDtest.Pressingthe

NTWRKbuttoncausestheBlinkLinkLEDtesttobegin.TheLanScaper™isturnedoffby

holdingdownthePWRbuttonuntilthedisplaygoesblank.Thetesterwillalsoshutoff

automatically15minutesafterthelastbuttonpressinmostmodes,30m

modeand60minutesinToneGeneratormode.ShortpressesofthePWRbutton,togglestheback

lightonandoff.Thebacklightturnsoffautomaticallyabout5minutesafterbeingturnedon.

Usingthebacklightincreasespowerconsumptionbybetween20%and50%.

Thereareeighttestmodesandasetupfunctionasdescribedbelow.Themodeswitchisthedouble

buttonimmediatelyabovePWR.ThetopbuttonislabeledCABLE,thebottombuttonislabeled

NTWRKandtheareabridgingthetwobuttonislabeledSETUP.Pressingamodebuttonwill

immediatelyendanycurrentlyrunning

category(cableornetwork)ordisplaythenextmodeinthesamecategory,waitingforapressof

SELtobeginthetesting.Subsequentpressesinthesamecategoryadvancestothenextmode,

rollingovertothefirstmodewhentheendisreached,stillwaitingforSELtobegin.

tester'sjack.Iffound,themessage“-VoltageFound-SELJackID”isdisplayed,andtheonly

optionfortheuseristopresstheSELkeytostarttheJackIDtesttodeterminewhattypeof

interface

isremovedforfiveminutes.Theselectedtestwillcontinueifthevoltageisremoved,orthetester

willshutitselfoffafterthefiveminutes.TheexceptiontothisbehaviorisintheNetworkModes.

Whenvoltageisfoundinthesemodes,thetestercheckstoseeifitisEthernetPhantomPower.This

isavoltagewhichisconnectedtothecentertapsoftheEthernetinterfacetransformersofsome

networkequipmenttopowerremotedevices,likeIPphonesorwirelesstransceivers.Thispoweris

seenbytheLan

reportedas“EnetPwrSourceFound=xV”forseveralseconds,thenthetestproceeds

automatically.

Whileitisrecommendedthatanunknownjackconnectionisalwaysverifiedbyconnectingtothe

testerwhileitispoweredoff,itisfinetoattachaknownnetworkordeadcableorjacktothetester

whileitisrunning.Inthatcase,itismostlikely,atestwillbeinprogresswhenacableconnection

ismade.

Theresultsofthetestinprogressatconnec

theSELbuttonshouldbepressedtoterminatethecurrenttestandinitiateanewtest.

3.0FUNCTIONALDESCRIPTION

-Otheroptionsarechangedsimilarly.

button,whichismarkedSETUP.Thepercentbatteryremainingscreenwillappearbriefly.

TM

-TheLanScaper™isajackidentifier,cabletesterand

inutesinBlinkLinkLED

taskandeitherbegintheexecutingthefirsttaskofanew

Alltests,exceptJackID,startwithacheckforvoltagesonthepinsonthe

orwhatvoltagesarepresentonthejack.Thetestermonitorsthejacktoseeifthevoltage

y

Scaper™asvoltagebetweenthe1-2and3-6pinpairs.Thevoltagefoundis

Inmostmodes,theLanScaper™isconstantlytestingandreportingresults.

tiontimeareunreliable.Inmostsuchrepeatingtests,

LanScaper

3.2.1JackID-

3.2.2CableTest

3.2.3CableLength

thejackorcablebeingtested.Thetestfirstlooksforvoltagesbeingpresentontheconnectorpins.

Ifvoltagesarefoundintypicalphonelocations,testsforcurrentlevelsanddialtonearerun.From

thesetests,theLanScaper™willreportvoltageorphonetypefound.

Ifnovoltagesarepresent,testingforEthernetlinkpulsescommences.Iflinkpulsesarefound,the

advertisedcapability,thepairswithlinkpulsesandthepolarityoflinkpulsesaredisplayed.The

pairswithlinkpulsesareindicatedby

thosepairstheHUB,switchorNICassumingstraightthroughcabling.Withacross-overcable

present,aNICwouldbelabeledasaHUB,etc.TheAUTOindicationisdisplayedifthedevice

connectediscapableofauto-MDI/MDI-X.Ifnopulsesarefound,butthepatternoftermination

ofthecableisthatofaninactiveEthernetdevice,itwillbedisplayedassuch.

Notfindinganyoftheabove,theLanScaper™invokesthecabletestdescribedinthenextsection,

displayingsingle-endedcabletest,fullcabletestor“NoI/OorCable”res

thetest,thewiremapdisplay,IDandanyfaultsaredisplayed.Thetoplineofnumbersonthe

displayrepresentstheconnectorpinsonthemainunit.Thesecondlineofpinnumbersisthe

connectorpinnumbersoftheremote,normallybeingthesameasthetoplineforanormaldata

cable.Ifthereisamiswire,thenumbersonthesecondlinewillindicatethepinnumbersdetected.

Ifnoconnectionwasdetectedforsomeofthepins,thesecondlinewillbeblankinthosepin

locations.Ifashortisdetected,thesecond

specificshortconditiondisplayedonthethirdline.Ifasplitpairisdetected,thosepinpositionson

thesecondlinewillbeflashingthepinnumbersdetectedfromtheremoteandthespecificsplit

conditiondisplayedonthethirdline.Iftherearemultipleerrorstodisplayonthethirdline,the

messagesaredisplayedinsequenceuntilallaredisplayed.TheIDiconwillhaveanumberdirectly

belowitindicatingtheremoteIDnumber.Ifnofaultsarefoundonthecable,thelengthofthecable

isdisplayed.

Ifthereisnoremote,theLanSc

forshorts,opensandsplitpairs(single-endedtest).TESTandthepinnumbericonsforthepairs

beingtestedwillbeontoindicateatestinprogress.Theresultsaredisplayedasmessagesonthe

LCD.Becauseatestcantakeuptoabout5secondstocomplete,theSELbutton,which

immediatelystartsanewtest,shouldbepressedwheneveranewcableisconnected.Partialand

erroneousresultswillbedisplayeduntilacompletetestcyclehasbeenrunonacable.

andusingthecapacitanceperunitlength(lengthconstant)tocalculatethelength.Thelengthis

displayedontheLCDalongwiththecurrentvalueofthelengthconstant.TheSELbuttonchanges

thepairbeingmeasuredina1-2,3-6,4-5,7-8andauto-selectsequence.Thepairnumberis

displayednexttothelengthexceptinauto-selectmode.Ifaselectedpairhasafault,thefault

replacesthelengthreadingontheLCD.Inauto-selectmode,thetesterautomaticallyselectsapair

withoutafault.Thelengthconstantischangedwiththeup/downarrows.TheCALiconison

whileadjustingt

testerwilldisplay"TRingNetwork??","xbase-TNetwork?"or“Network?”(allfourlines

terminated).Ifaremoteissensed,theIDNumberisdisplayed.

TheJackIDtestidentifieswhatequipment,ifanyis,connectedtotheotherendof

-Ifaremoteissensed,thetesterperformsafullcabletest.Uponcompletionof

TM

referencetothedevicethatwouldnormallypresentpulseson

ults.

linewillhaveaflashing'x'inthatpositionandthe

aper™usesthelengthandcabletestcapabilitytomeasureacable

-Thelengthmodemeasuresthelengthofacablebymeasuringitscapacitance

heconstant.Ifnetworkterminationpatternsarefoundinthelengthmode,the