Multitech Modem MT9234ZBA-USB Uživatelský manuál stáhnout pdf (Strana 28)

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28 Multi‐TechSystems,Inc.MT9234ZBA‐USBUserGuide

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,ensurethatthedriverhasbeenin stalled.

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.Call

TechnicalSupportforassistance.

ModemDialsButCannotConnect

Therecanbeseveralreasonsthemodemfailstomakeaconnection.Possibilities include:

● Lackofaphysicalconnectiontothetelephoneline.

● Wrongdialtone

● Busysignal

● Wrongnumber

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Multitech Modem MT9234ZBA-USB Uživatelský manuál Strana 28