Multi-Tech Systems MMV1600 owner manual Back Panel, LED Indicators Description, Fcr

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FCR

The Flow Control Received (FCR) indicator lights when the remote MultiMux's buffers are full and the

 

local MultiMux has been told to stop sending data. The FCR indicator will only come On when

 

flow control is active. The FCR indicator lights for both internal DSU and an external link

 

device.

RD

The Remote Down (RD) indicator lights when the local MultiMux cannot extablish communications

 

with the remote MultiMux. The RD indicator lights for both internal DSU and an external link

 

device.

TM The Test Mode (TM) indicator lights when the MultiMux is placed in test mode. Refer to Chapter 7 for test mode operation.

Table 3-1. LED Indicators (Continued)

Indicator

Description

 

Command Modem

CD Indicates the local command modem has detected a carrier signal from a remote command modem.

RCV/XMT Indicates that the command modem is on-line by flashing with data activity between the two command modems.

OH Indicates that the dial-up line for the command modem is off-hook.

Voice/Fax Channels

FXSThe Foreign Exchange Station (FXS) indicator lights when the designated channel is configured for FXS operation. FXOThe Foreign Exchange Office (FXO) indicator lights when the designated channel is configured for FXO operation. E&MThe Ear and Mouth (E&M) indicator lights when the designated channel is configured for E&M operation.

VCEThe voice (VCE) indicator lights when voice traffic is active on the designated channel. FAXThe FAX indicator lights when fax traffic is active on the designated channel.

XMTThe transmit (XMT) indicator lights when voice or fax data is being transmitted on the designated channel. RCVThe receive (RCV) indicator lights when voice or fax data is being received on the designated channel.

XSGThe transmit signal (XSG) LED lights when the FXS configured channel is off-hook, the FXO configured channel is receiving a ring from the telco, or the M lead is active when the voice/fax channel is configured for E&M opeation.

RSGThe receive signal (RSG) LED lights when the FXS configured channel is ringing or the E lead is active on the E&M configured channel.

TM The test mode (TM) indicator lights when a test is being performed on a voice/fax channel.

Back Panel

The cable connections for the MultiMux are made at the back panel. Refer to Chapter 4 for cabling installation procedures. Refer to Appendix D for cabling diagrams. The MultiMux back panel is shown in Figure E-2.

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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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