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Paradyne 8779, U8777 manual Telco-Initiated Remote Line Loopback

Models: U8777 8779

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8. Testing

Telco-Initiated Remote Line Loopback

If Remote Telco Loopback is enabled, a Telco-Initiated Line Loopback loops received data at the remote unit and passes it back to the Telco through the local unit.

The following figure shows the data flow for a remote Telco-initiated payload loopback.

		Local			Remote
	T1	CAP	CAP	CAP	CAP	T1
DSX-1	LIU			DSL		LIU
Telco Port						LIU
Telco Port
	Framer	Framer	Transceiver	Transceiver	Framer	Framer

DSX-1 Port

AIS

99-16626

Telco-Initiated Remote Line Loopback cannot be used in cross-connect mode.

8-12

May 2002

8700-A2-GB20-40

Image 90

Paradyne 8779, U8777 manual Telco-Initiated Remote Line Loopback

Contents

Hotwire TDM Sdsl Termination Units Copyright 2002 Paradyne Corporation All rights reserved Contents IP Addressing Cross-Connecting PortsMonitoring and Troubleshooting SecurityTesting Transferring Firmware and Configurations Using TftpConfiguration Options Standards Compliance for Snmp Traps Connector Pin AssignmentsTechnical Specifications Cross-Connection Worksheets IndexDocument Purpose and Intended Audience New Features for this ReleaseAbout This Guide Document SummaryProduct-Related Documents Document Number Document TitleAbout Hotwire 8777 TDM Sdsl Units TDM Sdsl OverviewTDM Sdsl Features Model Has eight EightNetwork Configuration Customer Premises CPCO Site Snmp Management Capabilities Management Information Base MIB SupportSnmp Trap Support Management Serial Port Settings Using the Asynchronous Terminal InterfaceUser Interface Access Documents in About This GuideLogging In to the Hotwire Dslam LoginInitiating an ATI Session Select Main MenuMenu Hierarchy InbandFunction Main Menu → Configuration → Current Configuration→ NetworkScreen Work Areas KeysNavigating the Screens Keyboard KeysPress Function Keys For the screen Function Select Press Enter toSwitching Between Screen Work Areas ExampleEnding an ATI Session Exiting From the Dslam SessionUsing the Asynchronous Terminal Interface May Initial Startup and Configuration OverviewEntering Identity Information Main Menu → Control→ Change IdentityIdentity Configuring the Unit Configuration OptionsConfiguration Option Area Configuration Option Set Load Configuration from Accessing and Displaying Configuration OptionsMain Menu → Configuration Load Configuration From If you select ThenCurrent and Default Factory Configurations Configuration EDIT/DISPLAYSelect Access To Configure Table A-5Configuration Loader Configuration LoaderMain Menu → Configuration → Configuration Loader DSLCompleted successfully Saving Configuration Options Save ConfigurationRestoring Access to the User Interface Resetting the DeviceMain Menu → Control → Reset AutoRate Resetting AutoRateMain Menu → Configuration → Current Configuration → Network Disabling AutoRateDownloading Firmware Main Menu → Control → Download CodeDownload Code Apply Download Initial Startup and Configuration May Cross-Connecting Ports OverviewDetermining the Configuration DSL Setting the Cross-Connect Modes ModeAssigning Time Slots Data or v Voice = DSL = DSX-1Slots of DSL Ports 1 Following example shows the configuration for DSX-1 Port Assign Time SlotsCROSS-CONNECT Mode ModeCross-Connecting Ports May IP Addressing Configurations Not Running IP Conservative SoftwareConfiguration Options Selecting an IP Addressing SchemeAll Configurations Appendix A, Configuration OptionsIP Addressing Example Security OverviewATI Access Levels Creating a Login Administer LoginsLogin Entry Deleting a Login On the Login Entry Screen, for EnterManagement Options, in Appendix A, Configuration Options Controlling Snmp AccessAssigning Snmp Community Names and Access Types Configuration Options, toSecurity May Monitoring and Troubleshooting What to MonitorViewing System and Test Status Main Menu → Status→ System and Test StatusSystem and Test Status Health and Status SELF-TEST Results Health and Status Messages YyyyyyyyMonitoring and Troubleshooting See Network Interface Options See G.703 Interface Options Self-Test Results Messages DTEMonitoring and Troubleshooting Test Status Messages Test Status Messages MeaningDevice Messages Device Messages 1 What Message Indicates What To DoPerformance Statistics Device Messages 2 What Message Indicates What To DoViewing Network Error Statistics Network Error StatisticsViewing Network Performance Statistics Field ContainsField Contains Viewing DSX-1 Performance Statistics Performance StatisticsField Contains Viewing G.703 Performance Statistics Interval is displayed. When zero, the port is disabled Viewing Current Network Performance Statistics SESFebe Viewing Inband Management Statistics Inband Management StatisticsDlci Viewing LED Status SystemDisplay LEDs Screen Type Label Value is Indicating SystemFront Panel LEDs LED is IndicatingTroubleshooting Troubleshooting 1 Symptom Possible Cause SolutionsChanging the Meaning of the Ports LEDs Troubleshooting 2 Symptom Possible Cause Solutions TestingMain Menu → Test TestingAccessing the Test Menu TestRunning Network Tests Network & DSX-1 TestsNetwork & G.703 Tests 8700-A2-GB20-40 May Network Line Loopback Repeater Loopback DTE Loopback Remote Send Line Loopback Send and Monitor Main Menu → Test→ Device Tests Device TestsLamp Test Device TestsEnding an Active Test Telco-Initiated Payload Loopback Telco-Initiated TestsTelco-Initiated Line Loopback Activation Line Payload Remote Line Deactivation LoopbackTelco-Initiated Remote Line Loopback Transferring Firmware and Configurations Using Tftp DSL1Transferring Firmware and Configurations Using Tftp Procedure Configuration Loader Main Menu → Configuration → Configuration LoaderCompleted successfully Transferring Firmware and Configurations Using Tftp May Configuration Options Select To Access To ConfigurePort Status Network Interface Options MenuTable A-1. Network Interface Options 1 Margin ThresholdExcessive Error Rate Threshold Table A-1. Network Interface Options 2AutoRate Transmit Attenuation Possible Settings 001.000.000.000 223.255.255.255, ClearTable A-1. Network Interface Options 3 Peer IP AddressTable A-1. Network Interface Options 4 DS0 Cross Connect Line FramingCircuit Identifier Configuration Options Table A-4. DSX-1 Interface Options Model 8777 1 Main Menu → Configuration → Current Configuration → DSX-1DSX-1 Interface Options Model Line Coding FormatTable A-4. DSX-1 Interface Options Model 8777 2 Line FramingPrimary Clock Source Table A-5. G.703 Interface Options Model 8779 1 Main Menu → Configuration → Current Configuration → G.703Interface Options Model Interface OptionsTable A-5. G.703 Interface Options Model 8779 2 FramingLine Coding Table A-5. G.703 Interface Options Model 8779 3 Primary Clock SourceFrom Port n Copy Ports OptionsTable A-6. Copy Port Options To Port ySystem Options DSL ModeTest Timeout Table A-7. System Options 1Telco Initiated Loopback Table A-7. System Options 2Test Duration min Remote Telco Line LoopbackSystem Clock System ClockFigure A-1. System Timing Figure A-2. System Clock Configuration Examples Table A-8. System Clock Options CROSS-CONNECT Configuration Cross-ConnectSetting Cross-Connect Mode Following screen is displayed for ModelMode DSL Table A-9. Cross-Connect Mode Options Model DSL PortTable A-10. Cross-Connect Mode Options Model SourceAssigning Time Slots Following screen is displayed for a DSX-1 port ModelTime Slot Number Assign Time Slots DSLPort Type Table A-11. Assign Time Slots Options 1DSX-1/DSL or G.703/DSL PortAssign To Table A-11. Assign Time Slots Options 2Start TS Data or VoiceManagement and Communication Options Menu Telnet Session OptionsTelnet Session Options Table A-12. Telnet Session Options Snmp Management General Snmp Management OptionsTable A-13. General Snmp Management Options 1 General Snmp Management OptionsTable A-13. General Snmp Management Options 2 Name 1 AccessName 2 Access Community NameSnmp NMS Security Options Snmp NMS Security OptionsNMS Access Type Table A-14. Snmp NMS Security OptionsNMS IP Validation Snmp Traps Options Snmp Traps OptionsTable A-15. Snmp Traps Options 1 Snmp TrapsEnterprise Specific Traps Link Traps Possible Settings Disable, Up, Down, BothTable A-15. Snmp Traps Options 2 Link Traps InterfacesInband Management Channel Model Inband Management ChannelPPP Table A-16. Inband Management Channel Options Model Configuring and Testing Inband Management Cross Connect Mode screen appears Cross Connect ModeFollowing screen appears = IbmcConfiguration Options IfIndex Standards Compliance for Snmp TrapsSnmp Traps IfIndex DescriptionLinkUp and linkDown AuthenticationFailureWarmStart Snmp Trap Description Possible CauseLinkUp/DownTvariable bindings Enterprise-Specific Traps IfType RFC 8700-A2-GB20-40 May May Connector Pin Assignments Front Panel 50-pin DTE Connector PinoutsConnector Pin Assignments Table C-2. Rear Connector Pinouts Connector Pins Port Tip, RingConnector Pin Assignments May Technical Specifications Technical Specifications May Using the Worksheets Cross-Connection WorksheetsPort Connection Diagram DSX-1 Time Slot Assignments Time Slot Assignments DSX-1 PortTS01 Time Slot Assignments DSX-1 Port Time Slot Assignments DSX-1 Port Time Slot Assignments DSX-1 Port Time Slot Assignments DSL Port Time Slot Assignments DSL PortTime Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments Time Slot Assignments G.703 PortTime Slot Assignments G.703 Port Time Slot Assignments G.703 Port Time Slot Assignments G.703 Port Time Slot Assignments G.703 Port Time Slot Assignments G.703 Port Time Slot Assignments G.703 Port Time Slot Assignments G.703 Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Index SnmpIN-2 IN-3 IN-4 IN-5 IN-6