Typical DSU Configurations, Frame | Paradyne 7510 DSU guide

About the DSU

Typical DSU Configurations

The following illustration shows a typical LAN/WAN interconnection application for the DSU. The routers connected to the DSU at each location provide the LAN interconnection.

Router	DDS	Router
Router	Network	Router
DSU		DSU
		97-15084-02

The DSU can also be used in a Frame Relay network.

	Frame
Router	Relay
	Network
DSU	DSU

Router

97-15271-01

Two DSUs can be connected back-to-back to act as Local Area Data Sets (LADS).

Router

56 kbps

DSU

DSU

Router

97-15236-01

Table D-2in Appendix D shows the maximum distances for LADS applications.

1-2

November 1997

7510-A2-GB20-10

Image 9

Paradyne 7510 DSU manual Typical DSU Configurations, Frame, Router Relay Network

Contents

Model 7510 DSU Copyright 1997 Paradyne Corporation All rights reserved Contents Monitoring the DSU Index Configuration Option Tables About This Guide Document Purpose and Intended AudienceDocument Summary Model 7510 DSU Startup Instructions Product-Related Documents About the DSU Model 7510 DSU Features Typical DSU Configurations FrameRouter Relay Network Rear Panel Interfaces User InterfacesModem Terminal Connecting to the Terminal Port Using the Asynchronous Terminal Interface Initiating an ATI Session SelectMain Menu Screen Format Types Status Test Configuration Control Load FromWhat Affects Screen Displays Use the screen format Menu Path Screen Work Areas Navigating the Screens Keyboard KeysPress For the screen Select Press Return to Function Screen Function Keys Example Switching to the Screen Function Key Area Ending an ATI Session Identifying the Device and System Customizing the DSUMain Menu → Control → Device Name Device Name If you select Then Saving Configuration Options Configuration Option Areas Configuring the DSUAccessing and Displaying Configuration Options Configuration Option Area Configuration Option Set What to Monitor Monitoring the DSU Viewing System and Test Status Main Menu → Status → System and Test StatusSystem and Test Status Health and Status SELF-TEST Results Hhhmmss Health and Status Self-Test Results Messages What Message Indicates What To Do Self-Test Results Test Status Messages Meaning Test Status Messages Main Menu → Status → Network Interface Status Viewing Network Interface Status Network Performance Statistics Viewing Network Performance Statistics Monitoring the LEDs Alarm Test DM OOS OOF NS TXD RXD RTS CTS DTRMain Menu → Status → Display LEDs Display Leds System Network System LEDs Alarm OOS ± Out of Service DM ± Data ModeNS ± No Signal Network LEDs Port LEDs Accessing the Test Menu TestingMain Menu → Test Test Table A- 2, Network Interface Options Device Messages Loopback Type Initiated By Running Network Tests Main Menu → Test → Network TestsNetwork Tests CSU or External Network Loopback Send V.54 Up/Down Sequences DSU or Internal Network Loopback Test Pattern for the Network Running Data Port Tests Main Menu → Test → Data Port TestsData Port Tests Test Pattern for the DTE Local Loopback Main Menu → Test → Lamp Test Running the Lamp Test Ending an Active Test Messages and Troubleshooting Messages and TroubleshootingResponding to Device Messages Device Messages 1 What Message Indicates What To Do Device Messages 2 What Message Indicates What To Do Troubleshooting 1 Symptom Possible Cause Solutions Troubleshooting Troubleshooting 2 Symptom Possible Cause Solutions Resetting the DSUMain Menu → Control → Reset Device Displaying DSU Identity Information Select To Access To Configure Configuration Option TablesOverview Status Load Edit/Display Test Lads Timing Possible Settings Internal, External, Receive Operating ModeSystem Options Menu Table A-1. System Options 1 Table A-1. System Options 2 Test TimeoutLads Line Rate Kbps Test Duration min Table A-2. Network Interface Options Network Interface Options MenuNetwork-initiated DSU Loopback 64K CC Data Scrambling 64K CC Table A-3. Data Port Options 1 Data Port Options MenuInvert Transmit Clock Bilateral Loopback Table A-3. Data Port Options 2 Carrier Control by RTSRlsd Control Terminal Port Options Inactivity TimeoutTable A-3. Data Port Options 3 Table A-4. Terminal Port Options 1 Disconnect Timeminutes Table A-4. Terminal Port Options 2 Configuration Worksheets Configuration Option SettingsWorksheets Network Interface Cables and Pin Assignments Signal Direction Pin # Terminal Port EIA-232 Connector User Data Port Connector SignalNumber Direction Pin Socket Connector Pin Standard EIA-232-D Crossover Cable Modular RJ48S DDS Network Interface Cable LAN Adapter Converter and CableRJ48S DDS Network Interface Cable Functions Circuit Pin # Cable Plug to Modular Jack LAN Adapter Table D-1. Model 7510 DSU Technical Specifications 1 Technical Specifications Network Interface Table D-1. Model 7510 DSU Technical Specifications 2Network Compatibility DTE Data Port Interface Glossary EIA-232 Factory defaultsExcessive BPV Frame relay Multiplexing ResetNode Non-latching Numbers Index IN-2 IN-3