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Northern UTA220/UTA220k manual 5. Bilateral Loopback Test, Diagnostics

Models: UTA220/UTA220k

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Diagnostics

Bilateral Loopback Test

Bilateral loopback combines the functions of local loopback and digital loopback. Its loops data from the local terminal back to the terminal, so that whatever the terminal sends is echoed back (Figure 14-5). Also, it loops to where the ISDN B-Channel data normally sent to the local DTE. Any B-Channel data received by the UTA220 is processed by the rate-adaptation protocol, and then echoed back out the B-channel to the sending unit. This test is useful in diagnosing the DTE, UTA220, switch, ISDN line, and remote unit. Run this test if you are encountering data errors after a call is placed successfully.

Figure 14-5. Bilateral Loopback Test

UTA220/UTA220k

14-5

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Northern UTA220/UTA220k manual 5. Bilateral Loopback Test, Diagnostics

Contents

User Guide UTA220/UTA220k Terminal AdapterMotorola ING, Inc 20 Cabot BlvdSTATEMENT OF APPLICATION UPDATESCOPYRIGHT SPECIAL REQUIREMENTS FOR CANADA FCC REQUIREMENTSIndustry Canada IC Requirements SHIELDED CABLESCanadian Emission Requirements Load NumberPREFACE AND STATEMENT OF APPLICATION PrefacePreface Chapter 2. Installation ContentsMotorola Information Systems Group Customer Information Chapter 1. IntroductionChapter 5. LCD Operation Contents continuedChapter 8. AT Command Operation Chapter 6. V.25 bis Dialer OperationChapter 8. AT Command Operation Continued Contents continuedChapter 9. Rate Adaption Chapter 10. BONDINGContents continued Chapter 12. D-Channel X.25 ContinuedChapter 15. Maintenance Chapter 14. DiagnosticsAppendix A. Specifications Chapter 13. SoftloadAppendix I. 128K Clear Channel Leased-Line Service Appendix B. Factory Default Settings Appendix C. AT Command SetReturn Procedures Index Appendix D. InterfacesTo Access the Schedule ServiceIssues Motorola Information Systems Group Customer Information IntroductionDocumentation Customer Response Card FOLD HERE DO NOT TEAR - FOLD HERE AND STAPLE BUSINESS REPLY MAILNO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES FIRST CLASS PERMIT NO. 39783 MANSFIELD, MAOther Features FEATURESChapter Introduction IntroductionPHYSICAL DESCRIPTION OPERATIONFigure 1-1. Front Panel UTA220 IntroductionFigure 1-2. Rear Panel EIA-232 Configuration Figure 1-3. V.35 Adaptor Caution Connecting a V.35 DTE to a non-V.35 port may damage the DTEFigure 1-4. Four Port Rear Panel Configuration IntroductionFUNCTIONAL LED DescriptionIntroduction UTA220/UTA220kInstallation Chapter InstallationRECEIPT INSPECTION SITE PREPARATIONPower Connection INSTALLATIONFigure 2-1. Typical Installation ISDN ConnectionDTE Connection DTE INTERFACE SPECIFICATIONSInstallation UTA220/UTA220kUTA220/UTA220k InstallationChapter Getting Started SWITCHES AND STRAPSGetting Started Cover RemovalSignal Ground SWITCH AND STRAP SETTINGSFigure 3-1. Cover Removal Figure 3-2. Typical Strap ApplicationDIP Switch Settings for EIA232 D/E Operation DIP Switch PositionFigure 3-3. Strap and Switch Locations V.35/EIA-232 InterfaceFigure 3-4. V.35 EIA-232 interface Card Interface Card RemovalGetting Started UTA220/UTA220kdefault DIP Switch OptionsFigure 3-5. V.35 Switch Location Pin FunctionSETUP CENTRAL OFFICE SWITCHSwitch Position PinFunctionSTEP ISDN TERMINAL ADAPTERLCD SCREEN ACTIONGetting Started Table 3-4 Programming Steps ContinuedSTEP LCD SCREENSTEP Getting StartedLCD SCREEN ACTIONUTA220/UTA220k Getting StartedISDN Chapter ISDNISDN BASICS ISDN StandardsTerminal Adapters Basic Rate InterfaceISDN Basic Rate Interface Points ISDNISDN SWITCHES ISDN ServiceFigure 4-1. ISDN Devices and Reference Points ISDNDefault Mode Switch VersionCustom Mode ISDNDefault Mode Switch VersionTA Switch TA Switch VersionISDN CHANNELS B-Channel Data ServiceNote The UTA220 supports only data calls ISDNB-Channel Data Protocols D-Channel Signaling ProtocolsLayer One ISDNLayer Three Layer TwoISDN UTA220/UTA220kLCD Operation Chapter LCD OperationLCD MENUS Main MenusLCD Operation Table 5-1. Menu Option SummaryUTA220/UTA220k Main LevelLCD Operation Table 5-1. Menu Option Summary ContinuedUTA220/UTA220k Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued Main LevelUTA220/UTA220k LCD OperationTable 5-1. Menu Option Summary Continued 2. The LCD advances to the call status screenChapter V.25 bis Dialer Operation OPERATION IN V.25 bis MODEV.25 bis Dialer Operation SELECTING V.25bisDTR Pin Operation DTE INTERFACE PINSDCD Pin Operation Figure 6-1. HDLC Frame for V.25 bis MessagesCOMMANDS COMMAND PROCEDURESDial Command CRN CTS Pin OperationINDICATION MESSAGES Connect Incoming Calls CICCall Connect Indication CNX V.25 bis Dialer OperationResponse Messages Incoming Call Indication INCV.25 bis Dialer Operation UTA220/UTA220kUTA220/UTA220k V.25 bis Dialer OperationChapter EIA-366 Dialer Operation CONFIGURATIONEIA-366 Dialer Operation OPERATIONDigit Signal Circuits NB1-NB8 INTERFACE SIGNAL DEFINITIONS Power Indication PWICall Request CRQ Data Line Occupied DLODigit Present DPR These are used for clarity onlyPresent Next Digit PND EIA-366 Dialer OperationEXAMPLE DIAL SEQUENCE Abandon Call and Retry ACREIA-366 Dialer Operation UTA220/UTA220kAT Command Operation Chapter AT Command OperationAT COMMAND STATEMENT AT Command ModeCOMMAND STATEMENT GUIDELINES CREATING A COMMAND STATEMENT ATCOMMAND STATEMENT BUFFER ATD555-1212NUMBERED COMMANDS REPEATING A COMMAND AGROUP COMMANDS BACKSPACE KEYSupervisor Command Mode COMMAND SCOPEAT Command Operation UTA220/UTA220kRate Adaption Chapter Rate AdaptionRATE ADAPTION T-LINKT-Link Options Flow Control and Pin OptionsRate Adaption UTA220/UTA220kV.120 Options V.120Rate Adaption UTA220/UTA220kUTA220/UTA220k Rate AdaptionBONDING Chapter BONDINGBONDING ON THE UTA220 OptionPLACING A BONDING CALL DISCONNECTING A BONDING CALLBONDING UTA220/UTA220kSynchronous Mode 2 Dial Stored Number Mode Synchronous Mode 1 Sync Pause ModeChapter Synchronous Operation Synchronous OperationUTA220/UTA220k Synchronous OperationD-Channel Chapter D-ChannelFUNCTIONAL DESCRIPTION X.25 UTA220/UTA220kAT@P1=P or AT@P1=D Command ATDD CommandESTABLISHING AN X.25 SESSION Initialize the PADUTA220/UTA220k Establishing an X.25 Virtual ConnectionD-Channel Escaping to AT Command Mode Escaping to PAD Command ModeDisconnecting the X.25 Virtual Connection ATDDPAD COMMAND SET COMMON APPARENT PROBLEMSPAD Command Format Parameter 1 ChangedRESET Issuing PAD CommandsStatus STAT Clear CLRSET parametervalue,parameter value Interrupt INTD-Channel UTA220/UTA220kPAR? parameter,parameter or PAR? Read PAR?Set and Read SET? SET? parametervalue, parameter valueRSET? parametervalue parametervalue Remote Set and Read RSET?Profile Read/Save PROF D-Channelfacility request block - address block call user data PAD Selectfacility request block - call user data address block call user data D-ChannelReverse Charging R FACILITIESNetwork User Identification NUI Closed User Group CUGFlow Control Parameter Negotiation Recognized Private Operating AgencyD-Channel UTA220/UTA220kCommand Table 12-1 PAD Command Set SummaryDescription ResponseTable 12-2 PAD Service Signals PAD SERVICE SIGNALSExtension ReasonPad Clear Service Signals PAD Reset Service SignalsSignal SignalX.3 PARAMETERS AND VALUES Saving the X.3 Parameter ConfigurationTable 12-4 PAD Clear Service Signals Continued D-ChannelDefault Table 12-5 Default X.3 ParametersParameter RemarksTransparent Table 12-6 CCITT X.3 Parameter ProfilesSimple D-ChannelTable 12-6 CCITT X.3 Parameter Profiles Continued Parameter 1 Pad Recall CharacterValue D-ChannelParameter 3 Selection of Data Forwarding Characters Parameter 2 EchoD-Channel UTA220/UTA220kD-Channel Parameter 4 Selection of Idle Timer DelayUTA220/UTA220k ValueParameter 5 Ancillary Device Control Parameter 6 Control of PAD Service SignalsD-Channel UTA220/UTA220kD-Channel Parameter 7 Action of PAD on Break from DTEUTA220/UTA220k ValueParameter 9 Padding after Carriage Return Parameter 8 Discard OutputValue DescriptionParameter 11 Binary Speed of Local DTE Parameter 10 Line FoldingD-Channel UTA220/UTA220kParameter 13 Line Feed Insertion after Carriage Return Parameter 12 Flow Control of PAD by Local DTED-Channel UTA220/UTA220kD-Channel Parameter 14 Padding after Line FeedUTA220/UTA220k ValueParameter 16 Character Delete Parameter 15 EditingD-Channel UTA220/UTA220kD-Channel Parameter 17 Line DeleteUTA220/UTA220k ValueD-Channel Parameter 18 Line DisplayUTA220/UTA220k ValueNote None of the service signals are transmitted to the local Parameter 19 Editing PAD Service SignalsDTE display device if there are no characters stored by the PAD or parameter 6 is set toParameter 21 Parity Treatment Parameter 20 Echo MaskD-Channel UTA220/UTA220kD-Channel Parameter 22 Page WaitUTA220/UTA220k Table 12-27 Parity TreatmentD-Channel 0 Page wait disabledUTA220/UTA220k Table 12-28 Page WaitSoftload Chapter SoftloadTA SOFTWARE ARCHITECTURE Software SetsTable 13-1 PROM Error Messages TA Power-Up SequenceTYPE TA.SL METHOD SOFTLOAD YGMS-1 PRODUCT ISDN TA BOARD ID CPU ID VERSION 1CPT-DTable 13-3 AT Softload Commands Set/Display Softload Password %P1SOFTLOAD OPERATION Table 13-2 LCD Status MessagesPRODUCT NUMBER ACTIVE SOFTWARE 1D ALTERNATE SOFTWARE 1B Request Softload Product Version Information $QCommand SoftloadUTA220/UTA220k Initiate Software Download $Y=xSoftload Copy Active Flash $Y2=x Table 13-5 General Softload Error CodesS59 SOFTLOAD CodeSoftload Table 13-6 CPU Softload Error CodesUTA220/UTA220k CodeTYPICAL LOCAL SOFTLOAD SESSION Swap to Alternate Software $T=xSoftload UTA220/UTA220kUTA220/UTA220k where filename is the name of the softload file to displaySoftload 16. To verify that the swap has occurred, enter AT$Q SoftloadUTA220/UTA220k Diagnostics Chapter DiagnosticsCOMMUNICATION DIAGNOSTICS GLOBAL TESTSLocal Terminal Loopback PORT TESTSLocal Loopback Test Figure 14-2. Local Terminal Loopback TestFigure 14-3. Local Loopback Test Digital Loopback TestDiagnostics UTA220/UTA220kUTA220/UTA220k Figure 14-4. Digital Loopback TestDiagnostics Figure 14-5. Bilateral Loopback Test Bilateral Loopback TestDiagnostics UTA220/UTA220kView Diagnostic Code DIAGNOSTIC STATUS DISPLAYFront Panel Keypad Test View Product InformationMaintenance Chapter MaintenanceMAINTENANCE FUSEUTA220/UTA220k MaintenanceSpecifications Appendix A SpecificationsSwitch Compatibility ISDN Line TypeDimensions Supplementary ServicesPower Requirements Power ConsumptionFactory Default Settings Appendix B Factory Default SettingsTable B-1 UTA 220 Default Parameter Options UTA220/UTA220kUTA220/UTA220k Factory Default SettingsTable B-1 UTA 220 Default Parameter Options Continued UTA220/UTA220k Factory Default SettingsUTA220/UTA220k Factory Default SettingsAT Command Set AT Command SetAppendix C UTA220/UTA220kTable C-1 UTA 220 AT Command Set Continued AT Command SetUTA220/UTA220k DescriptionUTA220/UTA220k AT Command SetDescription ValueUTA220/UTA220k AT Command SetDescription ValueUTA220/UTA220k AT Command SetDescription ValueAT Command Set Range 7-8 default isUTA220/UTA220k DescriptionOne default AT Command SetUTA220/UTA220k DescriptionUTA220/UTA220k AT Command SetDescription ValueUTA220/UTA220k AT Command SetDescription ValueUTA220/UTA220k AT Command SetDescription ValueUTA220/UTA220k AT Command SetDescription ValueUTA220/UTA220k AT Command SetDescription ValueUTA220/UTA220k AT Command SetDescription ValueCommand AT Command SetUTA220/UTA220k DescriptionInterfaces Appendix D InterfacesISDN INTERFACE INTERFACESV.24 EIA-232CFunction Table D-1 U Interface RJ45 Pin Functions ContinuedM-34 Pin DB-25V.35 Function Table D-3 V.35 Pin FunctionsTable D-4 Ports 3 and 4 Pin Functions 232EInterfaces UTA220/UTA220kTable D-4 Ports 3 and 4 Pin Functions Continued EIA-366A RequirementsInterfaces UTA220/UTA220kTransmit Data DTE INTERFACE PIN DESCRIPTIONSReceive Data Request to SendReceive Clock Ring IndicatorData Terminal Ready InterfacesUTA220/UTA220k InterfacesAppendix E Network Option Values Factory DefaultNetwork Option Values ISDN OPTIONSNetwork Option Values Factory DefaultUTA220/UTA220k ISDN OPTIONSUTA220/UTA220k Appendix F ASCII and EBCDIC CharactersASCII and EBCDIC Characters ASCII and EBCDIC Characters SymbolUTA220/UTA220k ASCIIASCII and EBCDIC Characters SymbolUTA220/UTA220k ASCIIASCII and EBCDIC Characters SymbolUTA220/UTA220k ASCIIASCII and EBCDIC Characters SymbolUTA220/UTA220k ASCIIASCII and EBCDIC Characters SymbolUTA220/UTA220k ASCIIASCII and EBCDIC Characters SymbolUTA220/UTA220k ASCIIASCII and EBCDIC Characters SymbolUTA220/UTA220k ASCIIUTA220/UTA220k Appendix G Abbreviations and AcronymsAbbreviations and Acronyms UTA220/UTA220k Abbreviations and AcronymsUTA220/UTA220k Abbreviations and AcronymsUTA220/UTA220k Abbreviations and AcronymsUTA220/UTA220k Abbreviations and AcronymsUTA220/UTA220k L ContinuedAbbreviations and Acronyms UTA220/UTA220k P ContinuedAbbreviations and Acronyms UTA220/UTA220k R ContinuedAbbreviations and Acronyms UTA220/UTA220k T ContinuedAbbreviations and Acronyms G-10 Abbreviations and AcronymsUTA220/UTA220k UTA220/UTA220k Appendix H Status and Connection MessagesStatus and Connection Messages UTA220/UTA220k Status and Connection Messages128K Clear Channel Leased-Line Service Appendix I 128K Clear Channel Leased-Line ServiceConfiguring D- and B-Channels Disable TEIs and clear SPIDs and DNs Configure B-channelsUTA220/UTA220k Configuring the Port and Protocol128K Clear Channel Leased-Line Service contact Return Procedures IntroductionFor locations Factory Repair Symbols IndexPage Page WARRANTY Did you receive the specified accessories? WARRANTY REGISTRATION CARDUTA220/UTA220k I learned about this product through