Multitech MT56DSU2 Bedienungshandbuch

MT56DSU2 Owner’s Manual82017502 1MultiDSU56KModel MT56DSU2Owner’s Manual

MT56DSU2 Owner’s Manual82017502 10Chapter 2 – Hardware Installation2.1 IntroductionThis chapter provides the information needed to configure and inst

MT56DSU2 Owner’s Manual82017502 11The Mu11iDSU56K DIP switches are shown and described below.Figure 2-1 MuIttDSU56K Board Layout2.2.1 12-Position DI

MT56DSU2 Owner’s Manual82017502 12An adhesive-backed label containing the DIP switch setting information is provided on the bottom of theMultiDSU56K;

MT56DSU2 Owner’s Manual82017502 13The factory default settings are indicated by an * in table 2-1.Table 2-1. MuII1DSU56K Switch SettingsSwitch

MT56DSU2 Owner’s Manual82017502 142.4 Installation ProcedureInstallation of the MultiDSU56K includes making cable connections to the back panel and t

MT56DSU2 Owner’s Manual82017502 15Chapter 3 – Operation3.1 IntroductionThis chapter provides information on the operating functions of the MultiDSU56

MT56DSU2 Owner’s Manual82017502 163.2.4 Elastic StoreThis function allows the MultiDSU56K to compensate for small timing phase “drifts” that occur in

MT56DSU2 Owner’s Manual82017502 173.2.8 RTS Forced OnWith this option enabled, the MultiDSU56K provides a continuous CTS signal, disregarding the sta

MT56DSU2 Owner’s Manual82017502 18The MultiDSU56K uses 4-wire non-loaded metallic circuits for LADS applications. The table belowoutlines approximatio

MT56DSU2 Owner’s Manual82017502 19Chapter 4 - Troubleshooting4.1 IntroductionAll of the indicators used in normal operation of the MultiDSU56K are on

MT56DSU2 Owner’s Manual82017502 2MultiDSU56KModel MT56DSU2Owner’s ManualP/N 82017502 Rev. CThis publication may not be reproduced, in whole or in part

MT56DSU2 Owner’s Manual82017502 204.2.6 96 IndicatorThe 96 LED lights when the “Data Rate” selection is set at 9600 bps. This indicator will be off f

MT56DSU2 Owner’s Manual82017502 214.3.1 Local Loopback TestThis test allows you to test the local DTE and the local MultiDSU56K. Use the following st

MT56DSU2 Owner’s Manual82017502 224.3.3 Digital Loopback Test With Test Pattern TestThis test allows you to test the local MultiDSU56K, the communica

MT56DSU2 Owner’s Manual82017502 234.3.5 DSU Loopback TestThis test lets you verify proper DSU operation by matching a transmitted signal to the “loop

MT56DSU2 Owner’s Manual82017502 244.3.6 DSU Back-to-Back TestThis test lets you connect two DSUs with a back-to-back cable to verify proper DSU opera

MT56DSU2 Owner’s Manual82017502 25Chapter 5 – Service, Warranty and Tech SupportLimited WarrantyMulti-Tech Systems, Inc. (icMTSl,) warrants that its p

MT56DSU2 Owner’s Manual82017502 26If you need to inquire about the status of the returned product, be prepared to provide the serial number ofthe prod

MT56DSU2 Owner’s Manual82017502 27Appendix A - Application ExamplesINTRODUCTIONThis section illustrates several types of applications in which the Mul

MT56DSU2 Owner’s Manual82017502 28DDS MULTIPOINT (POLLED) APPLICATIONSince your Central Office (CO) equipment must include “Multipoint Junction Units”

MT56DSU2 Owner’s Manual82017502 29LOCAL AREA DATA SET APPLICATIONIn this application, two pairs of wires provide the connection between two MultiDSU56

MT56DSU2 Owner’s Manual82017502 3Table of ContentsCHAPTER 1-INTRODUCTION AND DESCRIPTION1.1 Introduction 51.2 About This Manual 51.3 Description 51.4

MT56DSU2 Owner’s Manual82017502 30ANALOG OFF-NET EXTENSION APPLICATIONIn this application, the MultiDSU56K is used with conventional analog modems and

MT56DSU2 Owner’s Manual82017502 31Appendix B - Interface Signals and Connector PinoutsDDS RJ48 CONNECTORPin 1Pin 8KeyAs viewed from the rearDESCRIPTIO

MT56DSU2 Owner’s Manual82017502 32RS232C DB25S CONNECTORReceive Clock (RC) —Transmit Clock (TC) —131211109 — Test Voltage (+V)8 — Carrier Detect (CD)7

MT56DSU2 Owner’s Manual82017502 33V.35 34-PIN CONNECTORCHMSWAAEEKKDJNTXBBFFLLAEKPUYCCHHMMBFLRVZDDJJNNV.35 34-PIN CONNECTORSignal Designation Signal De

MT56DSU2 Owner’s Manual82017502 34LOOPBACK CABLE(MTS P/N 45640100)18DESCRIPTIONThis cable lets you test the MultiDSU56K when a second DSU is not avail

MT56DSU2 Owner’s Manual82017502 35BACK-TO-BACK CABLE(MTS P/N 45050000)18DESCRIPTIONThis cable lets you test a suspect DSU by connecting it to a known

MT56DSU2 Owner’s Manual82017502 36GlossaryThis section defines several of the terms used in this manual. For an overview of DSU basics, refer tosectio

MT56DSU2 Owner’s Manual82017502 37DData Communications Equipment (DCE) — equipment that provides the function to establish, maintainand terminate a co

MT56DSU2 Owner’s Manual82017502 38Mmaster station — see “control station”.MJU (Multipoint Junction Unit) — a digital data bridge, located at telco off

MT56DSU2 Owner’s Manual82017502 39Ttest pattern — a diagnostic test for sending ,detecting and checking a pre-defined pattern of bits.two-wire circuit

MT56DSU2 Owner’s Manual82017502 4Chapter 1 - Introduction and Description 1.1 IntroductionCongratulations! Your new MultiDSU56K is one of the finest

MT56DSU2 Owner’s Manual82017502 5NSDOSRTSCTSSend Rcv Carrier 56K 19.2K 9600 4800 Clear Request NoSgnl Outage TestMultiDSU56KRDCDSD964819.256TMMulti-Ra

MT56DSU2 Owner’s Manual82017502 61.5 FeaturesThe MultiDSU56K provides many useful features. Standard features include V.35 and RS232connections and e

MT56DSU2 Owner’s Manual82017502 71.6 FCC Regulations for Telephone Line Interconnection1. This equipment complies with Part 68 of the FCC rules. On t

MT56DSU2 Owner’s Manual82017502 81.7 SpecificationsModel Number MT56DSU2Device Operation combined DSU and CSUData Rates Synchronous: 2400, 4800, 960

MT56DSU2 Owner’s Manual82017502 9Delay Times (in secs.):RTS/CTSDCD on DCD off2400 8.1 7.5 7.0 4800 4.3 2.6 3.5 9600 2.2 1.6 1.5 19200 1.0 0.8 0.7 5600