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Telex MCE325 manual Title D \TEMP\OD6355 04A.cal, Time 05 26 42 PM, Date 7/23/01

Models: MCE325

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Date: 7/23/01

Time : 05:26:42 PM

Title: D:\TEMP\OD6355_04A.cal

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$Telex MCE325 manual Title D \TEMP\OD6355 04A.cal, Time 05 26 42 PM, Date 7/23/01$

Contents

PROGRAMMABLE USER STATION MODEL MCE325USER INSTRUCTIONS WARRANTY INFORMATION PROPRIETARY NOTICECOPYRIGHT NOTICE UNPACKING AND INSPECTIONRETURN SHIPPING INSTRUCTIONS End-UserLicense Agreement for Telex Software Installation TABLE OF CONTENTSDescription & Specifications Maintenance OperationParts Lists DiagramsPage DESCRIPTION & SPECIFICATIONS FeaturesDescription GeneralFront Panel Features Volume ControlsConnections, Inputs and Outputs Channel Selector and Operation ButtonsExternal Program Input Rear Panel FeaturesIntercom Lines Power Mounting ConfigurationAuxiliary Connector ProgrammingMCE325 Specifications Power and MechanicalMicrophone Preamplifier Headphone AmplifierMCS325 Specifications ConnectorsFigure 1.3 Standard four-channel, two-wireconfiguration 1-8 M C E 3 2 5 U s e r I n s t r u c t i o n s Figure 1.8 Multiple interconnected stations using one four-wireintercom channel and two two-wirechannels for IFB’s 1-10 M C E 3 2 5 U s e r I n s t r u c t i o n s Figure 1.11 MCE325 button configurations 1-12 M C E 3 2 5 U s e r I n s t r u c t i o n s INSTALLATION Internal Programming and AdjustmentsGeneral S E C T I O NSwitch Number Switch FunctionDefault Setting Figure 2.1 Top cover removalTable 2.2 Jumper functions and default settings Default SettingJumper Number Jumper Function2-4 C S I - 2 0 0 U s e r I n s t r u c t i o n s Front Panel Setup Mode Lock-outDS4 ISO DS5Remote Talk-offDS7 VOX DS8Mechanical Installation Headphone Sidetone Trimmer Adjustment R37Speaker Dim Adjustment R157 Program Assignment - IFB Option J4, J5, J16-J18Figure 2.3 Mounting configurations Electrical Installation AC Power and FuseConnector Pin-outs Four-wireOutput TerminationAuxiliary Connector, J22 Four-WireChannel A and B InputProgram Inputs, J14 and J15 External Speaker, J27Remote Microphone Switch Key outputs - Expanded IFB OptionISO Connection External HeadsetFront Panel Headset Connections Unswitched Microphone OutputExternal DC Power Source External Electret MicrophoneTable 2.9 Carbon-microphoneheadset connector SECTIONFUNCTION Carbon microphoneLED Indicators OPERATIONGeneral Operating InstructionsVolume Adjustment Front Panel Sidetone Nulling Trimmer AdjustmentPanel Mic/Headset Mic Selection Microphone On/OffSending and Receiving Call Signals Using the Talk-OffFeatureActivating Setup Mode Menu Selection/Ending SetupCall Disable Latch DisableChannel ID Four-channelListenReset Instant Mic3-6 C S I - 2 0 0 U s e r I n s t r u c t i o n s MAINTENANCE Preventive MaintenanceCorrective Maintenance AccessTest and Adjustment Procedures CleaningPower Supply Test Test EquipmentInitial Configuration Keying Output TestFour-Channel, Two-WireMode Frequency Response and Level Check, Mic to LineSidetone Null Test and Adjustment Two-Channel, Four-WireModeTrue Sidetone Adjust Program A to Left Headphone IFB Test Program B to Right HeadphoneProgram to Speaker IFB BIFB A Four-WireA Input to Left HeadphoneFour-WireB input to Right Headphone Panel Mic to Channel Test Carbon Mic to Channel TestVOX Test Mic Kill Receive TestCall Receive Test Mic Kill Transmit TestCall Transmit Test Remote Mic Switch Test ISO TestProgram Lockout Test Noise Checks15Turn all buttons off Page PARTS LISTS Packaging AssemblyFinal Assembly, MCE325 S E C T I O NFront Panel Assembly Table 5.3 Reference AS6261 Drawing, SectionItem No DescriptionBack Panel Assembly Heatsink AssemblyMain PC Board Assembly Item NoC104 Capacitor, EL, 10µF Capacitor, Mylar, 1nF Diode, 1N4004 Transistor, 2N5210 R170 R267 Resistor, CF, 22K Ohm, 5%, 1/8W IC, Dual Low-noise Op-Amp,NE5532N PC Board Assembly, Front Panel Table 5.7 Reference AS6246 Drawing, SectionRef No DescriptionPage DIAGRAMS S E C T I O N6-2 C S I - 2 0 0 U s e r I n s t r u c t i o n s Time 05 20 45 PM Date 7/23/01Title D \TEMP\AS6246 01B.cal Date 7/23/01 Title D \TEMP\AS6245 01D.calTime 05 27 24 PM Date 7/23/01 Title D \TEMP\AS6261 01C.calTime 05 21 25 PM Date 7/23/01 Title D \TEMP\AS6262 01C.calTime 05 22 16 PM Title C \home\cms\benedil\view\9020-6324 01.DWG Date 7/19/01Time 02 05 07 PM Date 7/23/01 Title D \TEMP\AS6464 01G.dwgTime 05 23 05 PM Date 7/23/01 Title D \TEMP\BD6464 01A.calTime 05 23 33 PM Date 7/23/01 Title D \TEMP\IS6718 01A.calTime 05 24 13 PM Date 7/23/01 Title D \TEMP\OD6355 01A.calTime 05 24 51 PM Date 7/23/01 Title D \TEMP\OD6355 02A.calTime 05 25 30 PM Date 7/23/01 Title D \TEMP\OD6355 03A.calTime 05 26 07 PM Date 7/23/01 Title D \TEMP\OD6355 04A.calTime 05 26 42 PM Date 7/23/01 Title c \home\cms\benedil\view\9000-6464 01.CALTime 05 03 09 PM SCHEMATIC DIAGRAM MOTHERBOARDMCE325 9027624501MOTHER BOARD 9027624501MCE325 TitleMOTHER BOARD MCE325 9027624501Title DWG. NODate 7/23/01 Title D \TEMP\SD6246 01A.calTime 05 19 08 PM