Multi-Tech Systems MT5600BA Two-Wire Leased Line Connection, Four-Wire Leased Line Connection

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MultiModemII User Guide

Two-Wire Leased Line Connection

MT5600BA: Plug one end of a two-wire phone cable into the modem’s LINE jack, and connect the other end to a leased line wall jack or terminals.

MT5600BL: Plug one end of a two-wire phone cable into the modem’s LEASED jack, and connect the other end to a leased line wall jack or terminals.

Four-Wire Leased Line Connection

On an MT5600BL only, plug one end of a four-wire phone cable into the modem’s LEASED jack, and connect the other end to a four-wire leased line wall jack or termi- nals. For dial backup operation, plug one end of the modular phone cable into the modem’s LINE jack, and the other end into a PSTN wall jack.

Phone Connection

For voice-only calls, plug a telephone into the modem’s PHONE jack (optional).

Power Connection

Plug the transformer module into an AC power outlet or power strip. Plug the trans- former module’s cable into the POWER jack on the modem.

Note: Use only the transformer supplied with the modem. Use of any other trans- former voids the warranty and can damage the modem.

Surge Protectors and Lightning

Power surges and other transient voltages on power lines, such as those caused by lightning strikes, can damage or destroy your modem. Therefore, we recommend that you plug the modem into a surge protector rather than directly into a wall out- let, preferably a surge protector that provides protection against electrical spikes on the phone line as well as on the power line. Note that not even a surge protector can guard against damage from a nearby lightning strike. During an electrical storm, it is safest to unplug your computer equipment from both the power outlet and the telephone line.

Power-On Test

Test the modem by turning it on (an on/off switch is located on the front panel). When you apply power, the modem performs a diagnostic self-test, indicated by the TM indicator lighting for a few seconds, after which the LCD should light. If this does not happen, check that the power switch is on, the power supply is solidly con- nected, and the AC outlet is live. If these measures do not work, see Chapter 8, “Solving Problems.”

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Contents Model MT5600BA Model MT5600BL Record of Revisions FCC Part Using the Front Panel IntroductionQuick Start MultiModemII User GuideAT Commands, S-Registers & Result Codes Remote ConfigurationSolving Problems Callback SecurityAppendix D Warranty, Service, and Technical Support Appendix a Regulatory ComplianceAppendix C Loopback Tests Appendix E Upgrading the ModemContents Viii Introduction Introduction FeaturesProduct Description Introduction DataWhat Is in Your Modem Package? Related ManualsQuick Start Safety Warnings What You Will NeedWe supply You supplyConnect the Modem to Your System RS232 ConnectionDialup Connection Quick StartTwo-Wire Leased Line Connection Four-Wire Leased Line ConnectionPower Connection Power-On TestAdding the Modem to Windows Install the Modem in WindowsRemoving Your Old Modem from Windows Install and Configure Your Software Call the Multi-Tech BBS Trio DataCommWindows HyperTerminal Windows Terminal Trio Fax Send a FaxMicrosoft Fax Select Start Programs Accessories Fax Compose new fax ReferencesMultiModemII User Guide Using the Front Panel Modem Configuration LED IndicatorsUsing the Front Panel Liquid Crystal Display LCDOption Selection Menu StructureMultiModemII User Guide Menu Overview Using the Front Panel Status Trunk MultiModemII User Guide Basic Options Trunk Using the Front Panel Advanced Options Trunk MultiModemII User Guide Remote Configuration Options Trunk Diagnostic Options TrunkUsing the Front Panel Phone Number Memory Options Trunk Caller ID Options TrunkMenu Options StatusUsing the Front Panel Basic Options Advanced Options ImplementedRemote Configuration Options Phone Number Memory Options MultiModemII User Guide Diagnostic OptionsCaller ID Options AT Commands Registers Result Codes Introduction AT Commands AT Commands, S-Registers, and Result CodesEcho Command Mode Characters DS= y Dial Stored Telephone NumberHook Control Information RequestMonitor Speaker Volume Monitor Speaker ModeReturn Online to Data Mode Result Codes Enable/DisableSelect Register Set Register ValueRead Register Value Tone DialingModem Reset Result Code SelectionLong Space Disconnect Data Carrier Detect DCD ControlError Correction Modes Load Factory SettingsData Terminal Ready DTR Control Modem-Initiated Flow Control22bis Guard Tone Control Communications ModeFlow Control Selection Sync/Async Mode Test CommandsClear to Send CTS Control Data Set Ready DSR ControlDisplay Current Configuration Store Current ConfigurationDisplay Last Connection Statistics Synchronous Clock SourceSelect Profile for Hard Reset Line Signal LevelZy =x Store Telephone Number Data Compression ControlLine Signal Quality PCM Code Selection\An Maximum MNP Block Size \Bn Transmit Break\Nn Error Correction Mode Selection \Vn Single Line Connect Message+MS= Modulation Selection Reserved,maxTXrateCRMNP Extended Services Command -SDR=nDistinctive Ring Control Command #CBNy=x Store Callback NumberCommand #CBPy=x Store Callback Password Flash Memory DownloadCommand #CID= n Caller ID Callback Enable/DisableCommand $SBn Serial Port Baud Rate Escape SequenceRegister Unit Range Default Description RegistersS32 S36 S46 Result Codes Terse Verbose DescriptionProtocol ALT +FCERROR MultiModemII User Guide Remote Configuration Setup Basic ProcedureChanging the Remote Configuration Password Remote Configuration Changing the Remote Escape CharacterMultiModemII User Guide Callback Security Setup Procedures Turning Callback Security On and OffAssigning Callback Passwords Callback SecurityAssigning Callback Phone Numbers Callback Security Commands Calling ProcedureCommand #CBN y= x Store Callback Number Command #CBPy=x Store Callback Password Callback Assignments MultiModemII User Guide Leased Line Operation Two-Wire Setup Four-Wire Setup Leased Line OperationDial Backup and Leased Line Restoral Dial Backup and Leased Line Restoral SetupLeased Line Operation MultiModemII User Guide Solving Problems None of the Indicators Light Modem Does Not Respond to Commands Solving ProblemsModem Dials But Cannot Connect Modem4Disconnects While Online Modem4Cannot Connect When Answering File Transfer4Is Slower Than It Should BeThere Are Garbage4 Characters on the Monitor Data Is Being LostModem4Doesn’t Work with Caller ID Fax and Data4Software Can’t Run at the Same Time Appendixes Appendix a Regulatory Compliance FCC Part 68 TelecomFax Branding Statement Regulatory ComplianceInternational Modem Restrictions Canadian Limitations NoticeCommission Decision CTR21 EMC, Safety, and Terminal Directive Compliance New Zealand Telecom Warning NoticeAppendix B Technical Specifications Technical Specifications Receiver Sensitivity Local Analog Loopback Test V.54 Loop Test procedureLoopback Tests Remote Digital Loopback Test V.54 Loop Figure C-2. Remote digital loopback testLocal Digital Loopback Test V.54 Loop Figure C-3. Local digital loopback testBack-to-Back Test Figure C-5. Back-to-back test connections Limited Warranty ServiceOnline Warranty Registration Warranty, Service, and Technical SupportTechnical Support Multi-Tech BBSAbout the Internet Ordering Modem Accessories SupplyNet Online Ordering InstructionsUpgrade Overview Identify the Modem FirmwareIdentify the Current Firmware Version Multi-Tech Web SiteMulti-Tech BBS Upgrading the ModemExtract the Upgrade Files Download the Upgrade FileSet the Modem to the Factory Defaults Upgrade the Modem’s Firmware Restore Your ParametersAppendix F Cable Pinouts RS-232 PinoutsLeased Line Pinouts Cable PinoutsAppendix G Ascii Character Map Ctrl Code Hex DecIndex 108 Index 110

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