Multi-Tech Systems MMV1600 owner manual AboutThisManual

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1.1 Introduction

Congratulations! Your new MultiMux MMV1600/3200 series is one of the finest statistical multiplexers on the market today. The MMV1600/3200 series high speed Priority Statistical Multiplexer (PSM) supports up to 16 or 32 asynchronous input channels, two synchronous composite links or a synchronous composite link and a sync data channel, and two voice/fax channels. The MultiMux is completely software driven and is controlled by you through its command port. This gives you great flexibility and ease of operation. This Owner’s Manual will help you to install and use your MultiMux, and also provide you with a valuable information resource in the future.

Figure 1-1. MultiMux MMV1600 Series

1.2

AboutThisManual

This manual is comprised of eight chapters. There are also several appendices at the end of the manual, most of which is a condensed version of the information contained in the chapters. These appendices can be used as a quick reference. The information contained in each chapter is as follows:

Chapter 1 - Introduction

This chapter is an introduction to the world of multiplexing. Since you have already acquired the MultiMux, you may have an extensive background in multiplexing. In which case, this introduction will provide a good review.

Chapter 2 - Configuration

This chapter defines the configurations of the MMV1600/3200 series and provides some typical examples of how the MultiMux is configured. The MMV1600/3200 series is available in several models; 16 and 32 channel units with internal command modem, composite link digital service units (DSUs) supporting synchronous communications, and two optional voice/fax channels. The typical examples explain how the MultiMux can be used in various environments.

Chapter 3 - Front and Back Panel Descriptions

Chapter 3 describes the front panel indicators, the switches and jumpers within the cabinet and the back panel connections. The front panel indicators are divided into channel, composite link, command modem and voice/fax channel groups. The back panel provides all the cable connections.

Chapter 4 - Installation

Chapter 4 provides the procedures for unpacking, installing and cabling your MultiMux. After your MultiMux is cabled, an initial power on procedure is provided for you to display and modify the channel and composite link parameters to fit your configuration.

Chapter 5 - Commands

The MultiMux is software-driven and controlled through its command port and the supervisory console. This chapter describes the AT commands and the impact each has on your system’s operation.

Chapter 6 - Operating Procedures

Chapter 6 provides the operational information for your MultiMux. The MultiMux operating procedures address the channel and composite link parameters. The command modem operating procedures address the command modem access, dialing, and remote access procedures.

Chapter 7 - Troubleshooting

This chapter is a guide to troubleshooting your MultiMux. It contains a listing of error conditions, probable causes and suggested fixes or steps designed to isolate the failing unit in your communications network.

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Contents MultiMux Page Record of Revisions RevisionDescription MultiMux #MMV1600C #MMV3200CTable of Contents Service, Warranty and Tech Support CommandsOperating Procedures TroubleshootingTables AboutThisManual Service, Warranty and Tech Support Description of Statistical Multiplexing Background1.1 Statistical Multiplexing Product Description CommunicationsMultiMux MMV1600/3200 Series Block Diagram Page Dynamic Load Balance System Features Voice/FaxNetworking Dual Composite LinksParameter Memory Channel SwitchingCommand Modem DiagnosticsResponse Time Control Dynamic BufferingSynchronous Data Channel AU7USA-20328-MD-E FCC Regulations for Telephone Line InterconnectionDOC Terminal Equipment AU7USA-18883-DE-N DSUInternal DSU Specifications Async Data ChannelsSystem Control Composite LinkDtmf Voice ChannelsElectrical/Physical CompatibilityModel Description Configuration DescriptionConfiguration Configuration 1 Remote Site Channel Parameters Configuration 1 Local Site Channel ParametersConfiguration 1 Composite Link Configuration Configuration 2 Composite Link Configuration Remote Site Configuration 3 Remote Site 1 Channel Parameters Configuration 3 Local Site Channel ParametersConfiguration 3 Remote Site 2 Channel Parameters Configuration 4 Local Site Voice/Fax Channel Parameters Configuration 4 FXO to FXSConfiguration 4 Remote Site Voice/Fax Channel Parameters Configuration 5 E&M Configuration 5 Remote Site Voice/Fax Channel Parameters Configuration 5 Local site Voice/Fax Channel ParametersConfiguration 6 FXS to FXS Configuration 6 Remote Site Voice/Fax Channel Parameters Configuration 6 Local Site Voice/Fax Channel ParametersRemote Site Configuration 7 Remote Site Voice/Fax Channel Parameters Configuration 7 Local Site Voice/Fax Channel ParametersConfiguration 8 LAN to LAN Page External Modem/DSU with RS232C Interface InstallationProcedureCabling Procedure StepProcedureAsync Channel Step ProcedureV.35 Interface Sync Data Channel Port B onlyComposite Link Cabling Supervisory Console Configuration ProcedureCommand Modem Step Procedure Voice/Fax Channels Step Procedure Async ChannelsPage Type Command Description Command SummaryATC1B4800P1F1E0 $DSUASP SNGA..H$DSUACL $DSUBCLGeneral Commands CommandDescription#MA Help H command menu is as follows General HelpStore New ParametersH7 menu is as follows H4 menu is as followsH5 menu is as follows H6 menu is as followsChannel Parameter Commands DTR ENQ/ACKMLA/B/D SB2 SB1$ Muxacli Composite Link Speed and Clocking Commands$DSUCL $DSUSP$MUXB Additional Composite Link Commands#RBxxxxx Retransmit TimerList Composite ReportVoice/Fax Channel Commands Command Level ATV1/2LIFXO WireSilence Suppression Local InterfaceATV1/2RIFXSG Test CommandsATV1/2LIFXSL ATV1/2RIFXOT11 Command Modem CommandsT12 Configuration of Port B Composite Link MultiMuxOperatingProceduresMultiMux Operating Procedures Configuration of Port a Composite LinkConfiguration of Port B Sync Data Voice/Fax Operating Procedures Voice/Fax Operating ProceduresCommand Modem Operating Procedures Command Modem Operating ProceduresCommand Modem Access on Command modem operation and put Introduction ImportanceofCompositeStatisticsData Troubleshooting Guide TroubleshootingGuideTestCables RD LED on RD OFF Voice/fax channel Voice/Fax Troubleshooting GuideCannot communicate Channel Device Testing Procedure ChannelDeviceTestingLocal Loop Test #4 DSU and Communications Line Testing Procedure DSUandCommunicationsLineTestingRemote Digital Loop Test #5 MultiMux Functional Testing Procedures MultiMuxFunctionalTestingProceduresWatch DOG Test Passed Voice/Fax Channel Testing Procedure Voice/FaxChannelTestingVOICE/FAX Loopback Test #12 Sync Data Channel Testing Procedure SyncDataChannelTestingService, Warranty and Tech Support Repair Procedures for International Distributors AppendixA Ascii Character Code/Hex/Decimal Conversion ChartAppendix B Signal Information Negative PositiveAppendix C Cabling DiagramsDCE to DTE cabling Command Port CablesComposite Link Cabling RJ48 Cabling for Internal DSU I-V Voice/Fax Channel Cable RJ45 Spade Lug Wire Color FunctionVoice/Fax Channel Connectors Description FXO Description FXS DescriptionLast Command Name DefaultAnswer a RepeatATQ1 ATH1ATH0 ATOWrite ATD5551212RRegister Read orStore Active Configuration displaysView Active User ProfilesATX1 ATX0ATX2 After Dial Command ExecutionMode While Returning toIndicator Description Table E-1. LED IndicatorsAppendix E Back Panel LED Indicators DescriptionFCR Command Port TERMINAL/PC Connector ON/OFF SwitchPower Connector BPS Modem DIAL-UP Line ConnectorVOICE/FAX Channel 1 FXS Connector VOICE/FAX Channel 2 FXS ConnectorVOICE/FAX Channel 2 FXO Connector VOICE/FAX Channel 1 E&M ConnectorRS232C/V.35 Shunt Channel Board Number of Channels SwitchChannel # Flow Control Background Appendix FOff Printer pacing and Flow Control Glossary of Terms Page Format Page Parameter Page Page Symbols DSU DOCFXO FXS External Composite LinkLads Link Protocol List Channel Parameters CommandLoad DSU Factory Defaults Command MultiMux Functional Testing ProcedureRJ48S PDNPstn RENTransmit XMT Indicator Stop Bit Command SB1-SB2Stdm Voice/Fax Channels Voice/Fax Channel Testing ProcedureVoice/Fax Input Level Gain Command Word Length Select Command WL5-8
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