Line Loopback | Paradyne HOTWIRE 7986 instruction

Testing

Line Loopback

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

CAP

CAP

DSL

Port

Transceiver Framer

E1

Framer

LIU

AIS G.703 Port

98-15997

"Procedure

To run a Line Loopback:

1.Position the cursor at the Start command next to Line Loopback on the Network 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.

Line Loopback cannot be started when a Repeater Loopback, DTE Loopback, Remote DCLB, or network-initiated Line Loopback is in progress.

7986-A2-GB20-00

September 1998

5-3

Image 61

Paradyne HOTWIRE 7986 manual Line Loopback

Contents

HOTWIRE Model Hdsl Standalone Termination Unit Copyright E 1998 Paradyne Corporation All rights reserved Important Safety Instructions EMI Warnings Contents Initial Startup and Configuration Messages and Troubleshooting Standards Compliance for Snmp Traps Document Purpose and Intended Audience About This GuideDocument Summary Product-Related Documents Hdsl Overview About the Model 7986 Standalone Termination Unit Hotwire 7986 Termination Unit Features CO Site Network Configuration Rear Panel Interface Connections Front Panel LED Status Indicators Network MIB Support About the Model 7986 Standalone Termination Unit User Interface Access Using the Asynchronous Terminal InterfaceCommunication Port Settings Initiating an ATI Session Login Screen SelectArea Function Main Input Screen Work AreasKeys Field Value Choices Messages Keyboard Keys Navigating the ScreensPress For the screen function Select Press Enter to Screen Function Keys Example Switching Between Screen Work Areas Ending an ATI Session Using the Asynchronous Terminal Interface Overview Initial Startup and Configuration Optional Power Sources Connecting Power to the UnitConnecting the Unit to an Optional External DC Power Source +24 Vdc Power Supply Pinouts Connecting to a System Terminal Connecting to the Network Main Menu → Control → Change Entering Identity InformationIdentity Configuring the Unit Using the Configuration Menus Choosing a Configuration ModeConfiguration Options Configuration Option Area Configuration Option Set Handling Precautions for STATIC-SENSITIVE Devices Configuring the Unit Using the Internal Switches Switchpack S1 & S2 Switchpack Locations Switchpack S1 Definitions Switch # Allows you to Switchpack Definitions OFF = Autorate Disabled Switchpack S2 Definitions Switch # Allows you toAll OFF = OFF = Current Firmware Main Menu → Configuration Load Configuration From Accessing and Displaying Configuration OptionsLoad Configuration from If you select Then Main Menu → Configuration → Current Configuration Configuration Edit/DisplayMain Menu → Configuration → Default Factory Select To Access To Configure Main Menu → Configuration → Network Configuring AutoRate Payload Rate Time Rate kbps Kbps Payload RateKbps Slots Time Main Menu → Configuration → Configuration Loader Configuration LoaderConfiguration Loader Completed successfully Save Configuration Saving Configuration Options Main Menu → Control → Download Code Download CodeDownload Code DSL Initial Startup and Configuration What to Monitor Monitoring the Unit Main Menu → Status → System and Test Status Viewing System and Test StatusSystem and Test Status Health and Status SELF-TEST Results Health and Status Yyyyyyyy Self-Test Results Call your service Test Status Messages Meaning Test Status Main Menu → Status → Performance → Network Error Statistics Viewing Network Error StatisticsNetwork Error Statistics This Field Contains Viewing Network Performance Statistics This Field Contains Performance Statistics Viewing G.703 Performance Statistics This Field Contains Main Menu → Status → Display LEDs Viewing Model 7986 Standalone Termination Unit LEDsGeneral Type Model 7986 Standalone Termination Unit LEDsLED is Indicating Accessing the Test Menu TestingMain Menu → Test Main Menu → Test → Network & G.703 Tests Running Network TestsNetwork & G.703 Tests Line Loopback Repeater Loopback DTE Loopback Send Remote Line Loopback Send and Monitor Lamp Test Device TestsMain Menu → Test → Device Tests Device Tests Ending an Active Test Testing Messages and Troubleshooting Snmp Traps Options Configuring Snmp Traps Device Messages 1 What Message Indicates What To Do Device Messages 127 Device Messages 2 What Message Indicates What To Do Troubleshooting 1 Symptom Possible Cause Solutions Troubleshooting Troubleshooting 2 Symptom Possible Cause Solutions Security ATI Access LevelsTables Administer Logins Creating a LoginLogin Entry On the Login Entry screen, for Enter Resetting the Termination Units COM Port or Factory Defaults Deleting a Login If entering yes to prompt Then Security Selecting an IP Addressing Scheme IP Addressing Peer IP Address Assignments IP Addressing Example Configuration Options in , Initial Startup and Configuration Configuration Option Tables Network Interface Options Menu Main Menu → Configuration → Current Configuration →Table A-1. Network Interface Options 1 Circuit Identifier Table A-1. Network Interface Options 2 Interface Options Menu Main Menu → Configuration → Load Configuration From → GTable A-2. G.703 Interface Options 1 Port Status Line Framing Table A-2. G.703 Interface Options 2Time Slot Primary Clock Source DSL Mode Main Menu → Configuration → Load Configuration From →Test Timeout System Options Menu Line Termination Test Duration min Communication Port Port Type Possible Settings Asynchronous, SynchronousTable A-4. Communication Port Options 1 Port Use Table A-4. Communication Port Options 2 Port Access Level Asynchronous mode only Login Required Asynchronous mode onlyInactivity Timeout Asynchronous mode only Disconnect Time Minutes Asynchronous mode only Telnet Session Options Management and Communication Options MenuTelnet Session Options Table A-5. Telnet Session Options Communication Protocol Options Communication Protocol OptionsPPP Node Subnet Mask Possible Settings 000.000.000.000 ± Node IP Address Possible Settings 000.000.000.000 ±Default Network Destination Table A-6. Communication Protocol Options 1 Communication Port Link Protocol Table A-6. Communication Protocol Options 2 Snmp Traps Options Snmp Traps Table A-7. Snmp Traps Options 1Number of Trap Managers NMS n Destination Table A-7. Snmp Traps Options 2 Link Traps Possible Settings Disable, Up, Down, BothEnterprise Specific Traps Link Trap Interfaces Standards Compliance for Snmp Traps AuthenticationFailureSnmp Traps WarmStart LinkUp/Down Variable-Bindings LinkUp and linkDown Enterprise-Specific Traps EnterpriseFallbackAutoRate Variable-Bindings Hdsl Standards Compliance for Snmp Traps Cables and Pin Assignments E1 Network Interface Signal Pin Number Table C-2. DSL Network Interface ConnectorDSL Network Interface Cable COM Port Interface Cable Table C-3. COM Port Interface Connector Signal Pin Number Optional Power Cable Power Input ConnectorTable C-4. DC Power Connector Signal Pin Number Cables and Pin Assignments Specifications Criteria Technical Specifications Technical Specifications 511 GlossaryBridged tap COM port Ethernet Factory defaultsFrame relay 703 Loopback ResetRouter Telnet GL-4 IN-1 Index IN-2 IN-3 IN-4