Multitech MT64DSU Bedienungshandbuch

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

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

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

MultiDSU64KChapter 2 - Installation and Cabling

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

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

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

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

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

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

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

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

MultiDSU64KChapter 3 - Testing

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

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

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

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

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

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

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

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

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

30MT64DSU Owner's Manual

MultiDSU64KChapter 4 - Warranty, Service andTech Support

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

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

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

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)

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

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

38MT64DSU Owner's Manual

MultiDSU64KAppendixes

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

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

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

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

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

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

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

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

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

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

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

MultiDSU64KChapter 1 - Introduction and Description

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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