臺灣雅企專線機架式調(diào)制解調(diào)器介紹：ModulationMulti-dimensionTCM(2400~33600bps),QAM TCM(4800~14400bps),QAM(2400bps),DPSK(1200bps),FSK(0~300bps)CompatibilityITU-TV.34bis(plus)/V.34/V.32bis/V.32/V.22bis/V.22/V.21/V.23,V.13,VFC,Bell103/212AOperationFullduplexorsimulatedhalfduplexsignalingon2-wirePSTNor2/4-wireleasedlinewithdialbackup,Power-onautodial-upwithautore-dial,Power-onleasedlineautoconnectionAutodial,Autoanswer,Manualdial,ManualanswerSynchronous/AsynchronousRackSize16piecesofModemperRackwithNMSCMcardinStandard19 RackShelf19 /482mm(L)X8.3 /210mm(W)X6.9 /175mm(H)DTESpeed115200/57600/38400/19200/9600/4800/2400/1200/300bpsErrorControlITU-TV.42andMNP4CompressionITU-TV.42bisandMNP5CommandCoimpatibleHayesATExtendedcommandsetorV.25biscommandsetDiagnosticLoopbacktest(Digital,Analog,Remotedigital)withtestpattern,poweronselftestFlowControlXon/Xoff,CTS/RTS,DTR/DSRuni-orbi-directionalFrontPanel10LEDstatusdisplaysLCDControlOperationbymenudrivenwithpasswordlockSecurityCallbacksecuritywithMax.10telephonenumbersandpasswordRetrainAutoormanual-retrainwithfallforward/fallbackratenegotiationStorageMax.10telephonenumbersand4userprofilesRemoteConfigurationViaSecondaryChannelwhilewithNetworkManagementSystemoptionReceiveSensitivitySelectablefrom0to-33dBmor-4to-43dBmTransmitLevelSelectablefrom0to-31dBmCallProgressMonitorBusytone,Dialtone,RingbackCellularPhoneProtocolMNP10LineInterfaceRJ-45modularjackor8positionterminalblockTerminalInterfaceEIARS-232CD-type25pinconnectorwithITU-TV.24/V.28recommendationEnvironmentOperatingTemperature:From0degreeCto60degreeCStorageTemperature:From-10degreeCto80degreeCRelativeHumidity:From0%to95%non-condensingPowerRequirmentAC90~260Volts/47~63Hz,orDC-48Volts80WattsMaximumSingleorredundantpowerwithalarmsystem(option)NetworkManagementSystem(NMS)Option