Multitech MT64DSU Owner's Manual

Browse online or download Owner's Manual for Networking Multitech MT64DSU. Multitech MT64DSU Owner`s manual User Manual

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Summary of Contents

Page 2 - P/N 82034802Rev.C

10MT64DSU Owner's ManualBack PanelThe cable connections for the MultiDSU64K are made at the backpanel. The input data (DCE interface) is through

Page 3 - Contents

11Chapter 1 - Introduction and DescriptionFeaturesYour Multi-Tech DSU/CSU provides the following features:• supports direct connection to the DATAPHON

Page 4 - Appendixes

12MT64DSU Owner's ManualTechnical Specifications• InterfacesRS-232C DB25S (female)V.35 34-pos. rectangular (female)DDS RJ48 8-position keyed jack

Page 5

MultiDSU64KChapter 2 - Installation and Cabling

Page 6

14MT64DSU Owner's ManualIntroductionThis chapter provides information for configuring and cabling theMultiDSU64K. It is assumed that the reader i

Page 7 - About This Manual

15Chapter 2 - Installation and ConnectionCabling ProcedureInstallation of the MultiDSU64K includes making the proper cableconnections and turning powe

Page 8 - CSU Functions

16MT64DSU Owner's ManualDIP Switch SettingsThe MultiDSU64K printed circuit board contains one 12-positionDIP-Switch block and one 4-position DIP-

Page 9 - Front Panel Indicators

17Chapter 2 - Installation and ConnectionSwitches #1 and #2Speed Switches(Synchronous Mode)DIP-Switches #1 and #2 are used to set the synchronous data

Page 10 - Back Panel

18MT64DSU Owner's ManualDDS clocking (default) allows the MultiDSU64K to accept timingsignals from the DDS network’s receive bipolar signal. Use

Page 11 - Features

19Chapter 2 - Installation and ConnectionSwitch #7Data Set Ready "DSR"(Asynchronous/Synchronous Mode)When this option is enabled, the MultiD

Page 12 - Technical Specifications

Owner’s Manual P/N 82034802Rev.C Model MT64DSUThis publication may not be reproduced, in whole or in part, without priorexpressed written permission f

Page 13 - MultiDSU64K

20MT64DSU Owner's ManualElastic Store Enabled = Switch #12 UPElastic Store Disabled = Switch #12 DOWN(Factory Default Setting = DOWN)Switch #13Th

Page 14 - Safety Warnings

MultiDSU64KChapter 3 - Testing

Page 15 - Cabling Procedure

22MT64DSU Owner's ManualDiagnostic TestsThe MultiDSU64K is set to a default of Normal (non-diagnostic)mode at the factory.When a failure occurs i

Page 16 - DIP Switch Settings

23Chapter 3 - TestingLocal Loopback TestThis test allows you to test the local DTE and the localMultiDSU64K. Use the following steps to perform the Lo

Page 17 - External clocking

24MT64DSU Owner's ManualDigital Loopback TestThis test allows you to test the local DTE, the local MultiDSU64K,the communications link, and the r

Page 18 - Carrier on

25Chapter 3 - TestingLocal Loopback Test With Test PatternThis test allows you to test the local MultiDSU64K.Perform the following steps to enable thi

Page 19 - “drifts”

26MT64DSU Owner's ManualDigital Loopback Test With Test Pattern TestThis test allows you to test the local MultiDSU64K, thecommunications link, a

Page 20

27Chapter 3 - TestingRemote Loopback TestThis test allows you to test the local DTE, the local MultiDSU64K,the communications link, and the remote Mul

Page 21

28MT64DSU Owner's ManualRemote Loopback Test With Test Pattern TestThis test allows you to test the local MultiDSU64K, thecommunications link, an

Page 22 - DSU Loopback Test

29Chapter 3 - TestingDSU Back-to-Back TestThis test lets you connect two DSUs with a back-to-back cable toverify proper DSU operation. Using a DSU tha

Page 23 - Local Loopback Test

ContentsChapter 1 - Introduction and DescriptionIntroduction ... 6About T

Page 24 - Digital Loopback Test

30MT64DSU Owner's Manual

Page 25

MultiDSU64KChapter 4 - Warranty, Service andTech Support

Page 26

32MT64DSU Owner's ManualIntroductionThis chapter starts out with statements about your MultiDSU64K'stwo-year warranty. The next section, Tec

Page 27 - Remote Loopback Test

33Chapter 4 - Warranty, Services, and Tech SupportTech SupportMulti-Tech has an excellent staff of technical support personnelavailable to help you ge

Page 28

34MT64DSU Owner's ManualServiceIf your tech support specialist decides that service is required, yourMultiDSU64K may be sent (freight prepaid) to

Page 29 - DSU Back-to-Back Test

35Chapter 4 - Warranty, Services, and Tech SupportTo log on to the Multi-Tech BBS1. Set your communications program to 8-N-1.2. Dial our BBS at (800)

Page 30 - MT64DSU Owner's Manual

36MT64DSU Owner's Manual2. Mark each file area you would like to examine by typing itslist number and pressing ENTER.3. Enter L to list all the f

Page 31

37Chapter 4 - Warranty, Services, and Tech SupportAbout the Multi-Tech Fax-Back ServiceMulti-Tech’s fax-back system provides 24-hour access to sales,m

Page 33 - Tech Support

MultiDSU64KAppendixes

Page 34 - The Multi-Tech BBS

Chapter 4 - Warranty, Service andTech SupportIntroduction ... 32Limited War

Page 35 - To Download a file

40MT64DSU Owner's ManualAppendix A - AT Commands and S-RegistersIntroductionAT commands are the means by which you, and your datacommsoftware, ar

Page 36 - About the Internet

41AppendixesAction CommandsA/ Re-execute previous command (no AT prefix requiredwith this command).DSnDial a stored number (n = 0 thru 9 memory locati

Page 37

42MT64DSU Owner's ManualS-RegistersCertain configurations are stored in memory registers called,S-Registers. The S command is used to assign a v

Page 38

43AppendixesS4 DCE Interface ModeS4 = 0 DCE Interface is AsyncS4 = 1 DCE Interface is SyncS5 (Not Used)S6 (Not Used)S7 Echo Canceler ToneS7 = 0 Echo C

Page 39

44MT64DSU Owner's ManualS15 Async DTE DialingS15 = 0 DisabledS15 = 1 DTR low-to-high TransitionS15 = 2 AT CommandS15 = 3 DTR or AT CommandS

Page 40 - AT Commands

45AppendixesResult CodesWhen the MultiDSU64K receives an AT command from the terminalor PC, the MultiDSU64K tries to execute the command, then sendsa

Page 41

46MT64DSU Owner's ManualConfiguration OptionsThis section describes the configuration parameters option settings.Corresponding S-Registers and AT

Page 42 - S-Registers

47AppendixesDTE Dialing (S15) - Selects the type of asynchronous auto-dialingto be used by the DTE port. Options are AT Command, DTR (low-to-high), A

Page 43

48MT64DSU Owner's ManualSynchronous Auto-DialThe beginning of this chapter described the AT command set whichenables the MultiDSU64K to dial, han

Page 44 - S19 Parameter Lock

49AppendixesClear Number in Memory (CLA) CommandThe CLA command clears a specific number in the nn phonenumber memory location by entering CLAnn.Dial

Page 45 - Result Codes

MultiDSU64KChapter 1 - Introduction and Description

Page 46 - Configuration Options

50MT64DSU Owner's ManualV.25bis Result CodesV.25bis Responses (Result Codes)When in V.25bis mode, your MultiDSU64K provides you with severalrespo

Page 47 - Parameter Options

51AppendixesAppendix B - Application ExamplesINTRODUCTIONThis section illustrates several types of applications in which theMultiDSU64K is typically u

Page 48 - List of Commands

52MT64DSU Owner's ManualMultipoint DDS provides communication between a control stationand two or more remote stations. All data transmitted by t

Page 49

53AppendixesLOCAL AREA DATA SET APPLICATIONYour MultiDSU64K can be used as a point-to-point LADS (LocalArea Data Set) at transmission speeds of 2400,

Page 50 - V.25bis Result Codes

54MT64DSU Owner's ManualEXTERNAL CLOCKING APPLICATIONThis application is similar to the Local Area Data Set applicationexcept for the timing opti

Page 51 - INTRODUCTION

55AppendixesThe analog modem at the same end as the MultiDSU64K must haveExternal Timing enabled; the modem at the end of the off-netextension must ha

Page 52

56MT64DSU Owner's ManualAppendix C - Interface Signals and ConnectorPinoutsDDS RJ48S CONNECTORPin 1Pin 8KeyAs viewed from the rearFigure C-1. RJ4

Page 53 - “cross-over”

57AppendixesRS-232C DB25S CONNECTORFigure C-2. RS-232 ConnectionDESCRIPTIONThis connector ties the MultiDSU64K to the DTE. The DB25Sconnector has the

Page 54 - EXTERNAL CLOCKING APPLICATION

58MT64DSU Owner's ManualV.35 34-PIN CONNECTORCHMSWAAEEKKDJNTXBBFFLLAEKPUYCCHHMMBFLRVZDDJJNNV.35 34-PIN CONNECTORSignal Designation Signal Designa

Page 55

59AppendixesLOOPBACK CABLE18 Figure C-4. Loopback CableDESCRIPTIONThis cable lets you test the MultiDSU64K when a second DSU is notavailable. It tests

Page 56 - As viewed from the rear

6MT64DSU Owner's ManualIntroductionWelcome to Multi-Tech's new MultiDSU64K a stand-alone integratedData Service Unit (DSU), model number MT6

Page 57

60MT64DSU Owner's ManualBACK-TO-BACK CABLE18Figure C-5. Back-to-Back CableDESCRIPTIONThis cable lets you test a suspect DSU by connecting it to a

Page 58 - V.35 34-PIN CONNECTOR

61AppendixesCROSSOVER CABLE Modem(DCE) DSU (DCE)TxDRxDRTSCTSDSRGND CDDTR RI 2 3 4 5 6 7 82022 2 3 4 5 6 7 82022TxDRxDRTSCTSDSRGND CDDTR RIMaleMale

Page 59 - “loops”

62MT64DSU Owner's ManualAppendix D - DIP-Switch SummarySynchronousDIP-Switch EffectSync Speeds9.6K 19.2K 56K 64K#1 DN UP *DN UP#2 DN DN *UP UPInt

Page 60

63AppendixesAppendix E - FCC Regulations for Telephone LineInterconnection1. This equipment complies with Part 68 of the FederalCommunications Commiss

Page 61

64MT64DSU Owner's Manual6. If trouble is experienced with this equipment (see modelindicated below) please contact Multi-Tech Systems, Inc. at th

Page 62 - DIP-Switch Effect

65IndexIndexAAbout This Manual 7Action Commands 41ANALOG OFF-NET EXTENSIONAPPLICATION 54Analog Off-Net Extension Applica-tion 55Application Examples 5

Page 63 - Interconnection

66MT64DSU Owner's ManualLLimited WarrantyOn-line Warranty Registration 32Listing Numbers Stored in Memory(RLN) Command 49Local Area DataA Set App

Page 64

7Chapter 1 - Introduction and DescriptionAbout This ManualThis manual describes the MultiDSU64K and explains how to installand cable the unit. The inf

Page 65

8MT64DSU Owner's ManualDSU Basic FunctionsA DSU (Data Service Unit) and a CSU (Channel Service Unit) aretypically connected to provide the interf

Page 66

9Chapter 1 - Introduction and DescriptionFront Panel IndicatorsThe MultiDSU64K has seven diagnostic LED indicators. They are:DSU64KCTSCD RD SD Send

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