Multitech MultiModem ZBA MT9234ZBA?V Spezifikationen PDF herunterladen (Seite 21)

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21 MT9234ZBA‐USBUserGuide

Chapter 5 – Troubleshooting

Yourmodemwastestedbeforeitwasshippedtoyou.Ifyoucan’t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elsewhere.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,ensureyouhaveinstalledthedriverasdescribedinChapter2.

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.

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Multitech MultiModem ZBA MT9234ZBA?V Spezifikationen Seite 21