Telco-Initiated Remote Line Loopback | Paradyne 8779, U8777 manual

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 Security Testing Transferring Firmware and Configurations Using TftpConfiguration Options Standards Compliance for Snmp Traps Connector Pin AssignmentsTechnical Specifications Cross-Connection Worksheets Index Document Purpose and Intended Audience New Features for this ReleaseAbout This Guide Document Summary Product-Related Documents Document Number Document Title About Hotwire 8777 TDM Sdsl Units TDM Sdsl Overview TDM Sdsl Features Model Has eight Eight Network 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 Guide Logging In to the Hotwire Dslam LoginInitiating an ATI Session Select Main Menu Menu Hierarchy Inband Function Main Menu → Configuration → Current Configuration→ NetworkScreen Work Areas Keys Navigating the Screens Keyboard KeysPress Function Keys For the screen Function Select Press Enter to Switching Between Screen Work Areas Example Ending an ATI Session Exiting From the Dslam Session Using the Asynchronous Terminal Interface May Initial Startup and Configuration Overview Entering 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 Then Current and Default Factory Configurations Configuration EDIT/DISPLAY Select Access To Configure Table A-5 Configuration Loader Configuration LoaderMain Menu → Configuration → Configuration Loader DSL Completed successfully Saving Configuration Options Save Configuration Restoring Access to the User Interface Resetting the Device Main Menu → Control → Reset AutoRate Resetting AutoRateMain Menu → Configuration → Current Configuration → Network Disabling AutoRate Downloading Firmware Main Menu → Control → Download CodeDownload Code Apply Download Initial Startup and Configuration May Cross-Connecting Ports Determining the Configuration DSL Setting the Cross-Connect Modes Mode Assigning Time Slots Data or v Voice = DSL = DSX-1Slots of DSL Ports 1 Following example shows the configuration for DSX-1 Port Assign Time Slots CROSS-CONNECT Mode Cross-Connecting Ports May IP Addressing Configurations Not Running IP Conservative SoftwareConfiguration Options Selecting an IP Addressing Scheme All Configurations Appendix A, Configuration OptionsIP Addressing Example Security ATI Access Levels Creating a Login Administer LoginsLogin Entry Deleting a Login On the Login Entry Screen, for Enter Management Options, in Appendix A, Configuration Options Controlling Snmp AccessAssigning Snmp Community Names and Access Types Configuration Options, to Security May Monitoring and Troubleshooting What to Monitor Viewing System and Test Status Main Menu → Status→ System and Test StatusSystem and Test Status Health and Status SELF-TEST Results Health and Status Messages Yyyyyyyy Monitoring and Troubleshooting See Network Interface Options See G.703 Interface Options Self-Test Results Messages DTE Monitoring and Troubleshooting Test Status Messages Test Status Messages Meaning Device Messages Device Messages 1 What Message Indicates What To Do Performance Statistics Device Messages 2 What Message Indicates What To Do Viewing Network Error Statistics Network Error Statistics Viewing Network Performance Statistics Field Contains Field Contains Viewing DSX-1 Performance Statistics Performance Statistics Field 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 Statistics Dlci Viewing LED Status System Display LEDs Screen Type Label Value is Indicating System Front Panel LEDs LED is Indicating Troubleshooting Troubleshooting 1 Symptom Possible Cause SolutionsChanging the Meaning of the Ports LEDs Troubleshooting 2 Symptom Possible Cause Solutions Testing Main Menu → Test TestingAccessing the Test Menu Test Running 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 Tests Ending an Active Test Telco-Initiated Payload Loopback Telco-Initiated TestsTelco-Initiated Line Loopback Activation Line Payload Remote Line Deactivation Loopback Telco-Initiated Remote Line Loopback Transferring Firmware and Configurations Using Tftp DSL1 Transferring Firmware and Configurations Using Tftp Procedure Configuration Loader Completed successfully Transferring Firmware and Configurations Using Tftp May Configuration Options Select To Access To Configure Port Status Network Interface Options MenuTable A-1. Network Interface Options 1 Margin Threshold Excessive 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 Address Table 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 Format Table 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 Options Table A-5. G.703 Interface Options Model 8779 2 FramingLine Coding Table A-5. G.703 Interface Options Model 8779 3 From Port n Copy Ports OptionsTable A-6. Copy Port Options To Port y System Options DSL ModeTest Timeout Table A-7. System Options 1 Telco Initiated Loopback Table A-7. System Options 2Test Duration min Remote Telco Line Loopback System Clock System Clock Figure A-1. System Timing Figure A-2. System Clock Configuration Examples Table A-8. System Clock Options CROSS-CONNECT Configuration Cross-Connect Setting Cross-Connect Mode Following screen is displayed for Model Mode DSL Table A-9. Cross-Connect Mode Options Model DSL Port Table A-10. Cross-Connect Mode Options Model Source Assigning Time Slots Following screen is displayed for a DSX-1 port Model Time Slot Number Assign Time Slots DSL Port Type Table A-11. Assign Time Slots Options 1DSX-1/DSL or G.703/DSL Port Assign To Table A-11. Assign Time Slots Options 2Start TS Data or Voice Management 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 Options Table A-13. General Snmp Management Options 2 Name 1 AccessName 2 Access Community Name Snmp NMS Security Options Snmp NMS Security OptionsNMS Access Type Table A-14. Snmp NMS Security OptionsNMS IP Validation Snmp Traps Options Snmp Traps Options Table A-15. Snmp Traps Options 1 Snmp Traps Enterprise Specific Traps Link Traps Possible Settings Disable, Up, Down, BothTable A-15. Snmp Traps Options 2 Link Traps Interfaces Inband 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 Mode Following screen appears = Ibmc Configuration Options IfIndex Standards Compliance for Snmp TrapsSnmp Traps IfIndex Description LinkUp and linkDown AuthenticationFailureWarmStart Snmp Trap Description Possible Cause LinkUp/DownTvariable bindings Enterprise-Specific Traps IfType RFC 8700-A2-GB20-40 May May Connector Pin Assignments Front Panel 50-pin DTE Connector Pinouts Connector Pin Assignments Table C-2. Rear Connector Pinouts Connector Pins Port Tip, Ring Connector Pin Assignments May Technical Specifications Technical Specifications May Using the Worksheets Cross-Connection Worksheets Port 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 Port Time Slot Assignments DSL Port Time Slot Assignments DSL Port Time Slot Assignments 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 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 Snmp IN-2 IN-3 IN-4 IN-5 IN-6