Paradyne 8784 manual Line Loopback

Page 53

5. Testing

Line Loopback

A Line Loopback (LLB) loops the received signal on the network interface back to the network without change.


	CAP	CAP	T1

DSL
Port

	Transceiver	Framer	Framer

LIU

AIS DSX-1 Port

98-16112

Procedure

To run a Line Loopback:

1.Position the cursor at the Start command next to Line Loopback on the Network & DSX-1 Tests screen.

2.Press Enter.

The Start command is changed to Stop.

3.To manually stop the test, verify that the cursor is positioned at the Stop command.

4.Press Enter.

The Line Loopback cannot be started when another loopback or pattern test is in progress.

8784-A2-GB20-30

February 2001

5-3

Image 53

Contents Hotwire 8784 TDM Sdsl Termination Unit Copyright 2001 Paradyne Corporation All rights reserved Important Safety Instructions United States EMI Notice Contents February Initial Startup and ConfigurationMonitoring the Unit Messages and Troubleshooting TestingSecurity IP Addressing TConnector Pin Assignments Configuration OptionsTechnical Specifications Glossary Index Standards ComplianceT for Snmp TrapsDocument Summary About This GuideDocument Purpose and Intended Audience Document Number Document Title Product-Related DocumentsTDM Sdsl Overview About the Hotwire Termination UnitHotwire 8784 Termination Unit Features CO Site Network ConfigurationCustomer Premises CP Management Information Base MIB Support Snmp Management CapabilitiesSnmp Trap Support NetworkManagement Serial Port Settings Using the Asynchronous Terminal InterfaceUser Interface Access Initiating an ATI Session Logging In to the Hotwire DslamLogin Main Menu SelectSnmp Menu HierarchyScreen Work Areas Main Menu→ Configuration → Current Configuration → NetworkFunction KeysPress Navigating the ScreensKeyboard Keys For the screen Function Select Press Enter to Function KeysExample Switching Between Screen Work AreasExiting From the Dslam Session Ending an ATI SessionUsing the Asynchronous Terminal Interface February Overview Initial Startup and ConfigurationIdentity Entering Identity InformationMain Menu→ Control→ Change Identity Load Configuration from Configuring the UnitMain Menu→ Configuration Load Configuration From If you select Then Current and Default Factory ConfigurationsConfiguration EDIT/DISPLAY Select To Access To Configure Configuration LoaderMain Menu→ Configuration → Configuration Loader Configuration LoaderCompleted successfully Save Configuration Saving Configuration ChangesMain Menu→ Control → Download Code Downloading FirmwareDownload Code DSL1Apply Download Disabling AutoRate AutoRate FeatureMain Menu→ Configuration→ Current Configuration → Network Resetting AutoRate Restoring Access to the User InterfaceMain Menu→ Control→ Reset AutoRate Select Configuration→ DSL Cards → Reset SlotMain Menu→ Control→ Reset Device Resetting the UnitWhat to Monitor Monitoring the UnitSystem and Test Status Health and Status SELF-TEST Results Viewing System and Test StatusMain Menu→ Status→ System and Test Status Yyyyyyyy Health and Status MessagesMonitoring the Unit Test Status Messages Meaning Self-Test Results MessagesTest Status Messages Performance Statistics Viewing Network Error StatisticsNetwork Error Statistics Field Contains SES Severely Errored Seconds Seconds during which more thanViewing Network Performance Statistics This Field Contains Current Network Performance Statistics Viewing Current Network PerformanceSES FebeDSX-1 Performance Statistics Viewing DSX-1 Performance StatisticsMain Menu→ Status→ Performance Statistics→ DSX-1 Statistics This Field Contains Display Viewing LED StatusGeneral DSL LoopLED is Indicating Front Panel LEDsType Accessing the Test Menu TestingMain Menu→ Test TestNetwork & DSX-1 Tests Running Network TestsMain Menu→ Test→ Network & DSX-1 Tests Line Loopback Repeater Loopback DTE Loopback Remote Send Line Loopback Send and Monitor Lamp Test Device TestsMain Menu→ Test→ Device Tests Device TestsEnding an Active Test Configuration OptionsTelco-Initiated Line Loopback Telco-Initiated TestsTelco-Initiated Payload Loopback Activation Line Payload Remote Line Deactivation LoopbackCAP LIU DSL DSX-1 Telco-Initiated Remote Line LoopbackTesting February Messages and Troubleshooting NMS Configuring Snmp TrapsSnmp Traps Options Device Messages 1 What Message Indicates What To Do Device MessagesDevice Messages 2 What Message Indicates What To Do Troubleshooting Symptom Possible Cause Solutions TroubleshootingMessages and Troubleshooting February Security ATI Access LevelsAdminister Logins Creating a LoginOn the Login Entry Screen, for Enter Deleting a LoginAssigning Snmp Community Names and Access Types Controlling Snmp AccessManagement Options, in Appendix A, Configuration Options Configuration Options, toAll Configurations Configurations Not Running IP Conservative SoftwareIP Addressing Selecting an IP Addressing SchemePeer IP Address Assignments IP Addressing ExampleConfiguration Changes in , Initial Startup and Configuration Configuration OptionsExcessive Error Rate Threshold Main Menu→ Configuration→ Current Configuration→ NetworkNetwork Interface Options Table A-1. Network Interface Options 1Table A-1. Network Interface Options 2 DSL Line Rate Possible Settings 400, 528, 784, 1040AutoRate Circuit IdentifierDSX-1 Interface Options Main Menu→ Configuration→ Current Configuration → DSX-1DSX-1 Interface Options ESFPort Status Table A-2. DSX-1 Interface Options 1Line Framing Line CodingSend AIS on Network Failure Table A-2. DSX-1 Interface Options 2Send All Ones on DSX-1 Failure Primary Clock SourceCopy Ports Options Main Menu→ Configuration→ Current Configuration→ Copy PortsTable A-3. Copy Ports Options From Port nSystem Options Main Menu→ Configuration→ Current Configuration→ SystemSystem Options LTUTable A-4. System Options Telnet Session Options Management and Communication MenuSession Access Level Telnet Login RequiredInactivity Timeout Table A-5. Telnet Session Options 1General Snmp Management Options Main Menu→ Configuration→ Current Configuration→Table A-5. Telnet Session Options 2 Disconnect Time MinutesName 2 Access Name 1 AccessTable A-6. General Snmp Management Options Snmp ManagementSnmp NMS Security Options Snmp NMS Security OptionsNMS IP Validation Access LevelTable A-7. Snmp NMS Security Options Snmp Trap Options Snmp Traps Table A-8. Snmp Trap Options 1Number of Trap Managers NMS n DestinationTable A-8. Snmp Trap Options 2 Link Traps Possible Settings Disable, Up, Down, BothEnterprise Specific Traps Link Traps InterfacesStandards Compliance for Snmp Traps AuthenticationFailureSnmp Traps WarmStartLinkUp/DownT Variable-Bindings LinkUp and linkDownEnterprise-Specific Traps DSL Network IfIndex RFC 50-Pin Connector DSX-1 Port Pinout Function Connector Pin AssignmentsFront Panel 50-pin DTE Connector Pinouts Connector Pin Assignments February Specifications Criteria Technical SpecificationsTechnical Specifications February 511 GlossaryBridged tap COM portEIA-530-A Factory defaultsEthernet Frame703 Reset704 IP addressRouter Yellow AlarmRS-449 TelnetIN-1 IndexIN-2 IN-3 IN-4 IN-5 IN-6