Multitech MultiModem ZBA MT9234ZBA Especificaciones descargar pdf (Pagina 22)

Chapter5‐Troubleshooting

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22

Multi‐TechSystems,Inc.MT9234ZBA‐USBUserGuide(S000473A)

Chapter 5 – Troubleshooting

Yourmodemwasthoroughlytestedatthefa ctorybeforeitwasshipped.Ifyouareunabletomakeasuccessful

connection,orifyouexperiencedatalossorgarbledcharactersduringyourconnection,itispossible thatthe

modemisdefective.However,itismorelikelythatthesource ofyourproblemlieselsew

here.Thefollowing

symptomsaretypicalofproblemsyoumightencounter:

● NoneoftheLEDslightwhenthemodemison.

● Themodemdoesnotrespondtocommands.

● Themodemdialsbutisunabletomakeaconnection.

● Themodemdisconnects whileonline.

● Themodemcannotconnectwhenanswering.

● Dataisbeinglost.

● Therearegarbagecharactersonthemonitor.

● Themodemdoesn’tworkwithCallerID.

● Faxanddatasoftwarecan’trunatthesametime.

NoneoftheIndicatorsLight

Whenyoupluginthemodem,theoperatingsystemdetectsandconfiguresthemodem,andtheTRLEDshould

comeon.

IftheTRLEDdoesnotcomeon,checktoseethatthedriverfromtheproductCDhasbeeninstalled,referto

Chapter2oninstallingthemodemdriver.

TheModemDoesNotRespondtoCommands

● Makesureyouareissuingthemodemcommandsfromdata communicationsoftware,eithermanuallyin

terminalmodeorautomaticallybyconfiguringthesoftware.(Youcannotsendcommandstothemodem

fromtheDOSprompt.)

● Makesureyouareinterminalmodeinyourdatacommunicationprogram,thentypeATandpressENTER.

IfyougetanOKresponsefromyourmodem,yourconnectionsaregoodandtheproblemlikelyisinthe

connectionsetupinyourcommunicationsoftware.

● TryresettingyourmodembyunpluggingtheUSBcablefromthemodem,andthenpluggingitbackin.

● Tryrebootingthecomputer.

● Themodemmighthaveaproblembeyondthescopeofthisuserguide.IfyouhaveanotherMulti‐Tech

modem,tryswappingmodems.Iftheproblemgoesaway,thefirstmodemispossiblydefective.

TheModemCannotConnectWhenAnswering

● Autoanswermightbedisabled.Turnonautoanswerinyourdatacommunicationsprogramorsendthe

commandATS0=1(ATS0=2ifyouhaveCallerIDservice)tomakesureyourmodeminterminalmode.

TheModemDoesn’tWorkwithCallerID

● CallerIDinformationistransmittedbetweenthefirstandsecondrings,soifautoansweristurnedoff

(S0=0)orifthemodemissettoanswerafteronlyonering(S0=1),themodemwillnot receiveCallerID

information.Checkyourinitializationstring,andifnecessarychangeittosetth

emodemtoanswerafter

thesecondring(S0=2).

● MakesurethatyouhaveCallerIDservicefromyourtelephonecompany.

FaxandDataSoftwareCan’tRunattheSameTime

● Communicationsdevicescanbeaccessedbyonlyoneapplicationatatime.InWindows2003andhigher,

youcanhavedataandfaxcommunicationapplicationsopenatthesametime,buttheycannotuse the

samemodematthesametime.

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