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

Page 9

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

Contents Model 7510 DSU Copyright 1997 Paradyne Corporation All rights reserved Contents Monitoring the DSU Index Configuration Option TablesAbout This Guide Document Purpose and Intended AudienceDocument Summary Model 7510 DSU Startup Instructions Product-Related DocumentsAbout the DSU Model 7510 DSU FeaturesTypical DSU Configurations FrameRouter Relay Network Rear Panel Interfaces User InterfacesModem TerminalConnecting to the Terminal Port Using the Asynchronous Terminal InterfaceInitiating an ATI Session SelectMain Menu Screen Format Types Status Test Configuration Control Load FromWhat Affects Screen Displays Use the screen formatMenu Path Screen Work AreasNavigating the Screens Keyboard KeysPress For the screen Select Press Return to Function Screen Function KeysExample Switching to the Screen Function Key AreaEnding an ATI Session Identifying the Device and System Customizing the DSUMain Menu → Control → Device Name Device NameIf you select Then Saving Configuration OptionsConfiguration Option Areas Configuring the DSUAccessing and Displaying Configuration Options Configuration Option Area Configuration Option SetWhat to Monitor Monitoring the DSUViewing System and Test Status Main Menu → Status → System and Test StatusSystem and Test Status Health and Status SELF-TEST Results Hhhmmss Health and StatusSelf-Test Results Messages What Message Indicates What To Do Self-Test ResultsTest Status Messages Meaning Test Status MessagesMain Menu → Status → Network Interface Status Viewing Network Interface StatusNetwork Performance Statistics Viewing Network Performance StatisticsMonitoring the LEDs Alarm Test DM OOS OOF NS TXD RXD RTS CTS DTRMain Menu → Status → Display LEDs Display Leds System NetworkSystem LEDs AlarmOOS ± Out of Service DM ± Data ModeNS ± No Signal Network LEDsPort LEDs Accessing the Test Menu TestingMain Menu → Test TestTable A- 2, Network Interface Options Device Messages Loopback Type Initiated ByRunning Network Tests Main Menu → Test → Network TestsNetwork Tests CSU or External Network Loopback Send V.54 Up/Down Sequences DSU or Internal Network LoopbackTest Pattern for the Network Running Data Port Tests Main Menu → Test → Data Port TestsData Port Tests Test Pattern for the DTE Local LoopbackMain Menu → Test → Lamp Test Running the Lamp TestEnding an Active Test Messages and Troubleshooting Messages and TroubleshootingResponding to Device Messages Device Messages 1 What Message Indicates What To DoDevice Messages 2 What Message Indicates What To Do Troubleshooting 1 Symptom Possible Cause Solutions TroubleshootingTroubleshooting 2 Symptom Possible Cause Solutions Resetting the DSUMain Menu → Control → Reset Device Displaying DSU Identity InformationSelect To Access To Configure Configuration Option TablesOverview Status Load Edit/Display TestLads Timing Possible Settings Internal, External, Receive Operating ModeSystem Options Menu Table A-1. System Options 1Table A-1. System Options 2 Test TimeoutLads Line Rate Kbps Test Duration minTable A-2. Network Interface Options Network Interface Options MenuNetwork-initiated DSU Loopback 64K CC Data Scrambling 64K CCTable A-3. Data Port Options 1 Data Port Options MenuInvert Transmit Clock Bilateral LoopbackTable 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 1Disconnect Timeminutes Table A-4. Terminal Port Options 2Configuration Worksheets Configuration Option SettingsWorksheets Network Interface Cables and Pin Assignments Signal Direction Pin # Terminal Port EIA-232 ConnectorUser Data Port Connector SignalNumber Direction Pin Socket Connector Pin Standard EIA-232-D Crossover CableModular RJ48S DDS Network Interface Cable LAN Adapter Converter and CableRJ48S DDS Network Interface Cable Functions Circuit Pin # Cable Plug to Modular Jack LAN AdapterTable D-1. Model 7510 DSU Technical Specifications 1 Technical SpecificationsNetwork Interface Table D-1. Model 7510 DSU Technical Specifications 2Network Compatibility DTE Data Port InterfaceGlossary EIA-232 Factory defaultsExcessive BPV Frame relayMultiplexing ResetNode Non-latchingNumbers IndexIN-2 IN-3