Paradyne 727 manual Network LEDs, DM ± Data Mode, OOS ± Out of Service, OOF ± Out of Frame

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Monitoring the DSU

Network LEDs

DM ± Data Mode:

ON ± DSU (DDS network interface) is sending or receiving data, or is in DMI condition

(all 1s being received).

OFF ± DDS network interface is receiving CMI codes.

OOS ± Out of Service:

ON ± DSU is receiving out of

service code from the remote unit. Refer to Health and Status Messages, Table 4-2.

OOF ± Out of Frame:

ON ± DSU is detecting an out of frame condition. Refer to Health and Status Messages, Table 4-2.

NS ± No Signal:

ON ± DDS network interface detects no signal. Refer to Health and Status Messages, Table 4-2.

4-10

March 1997

7510-A2-GB20-00

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Contents Area Code Change Model 7510 DSU Copyright 1997 Paradyne Corporation All rights reserved Contents Monitoring the DSU Technical Specifications Glossary Index Document Summary About This GuideDocument Purpose and Intended Audience Product-Related Documents Model 7510 DSU Startup InstructionsModel 7510 DSU Features About the DSUTypical DSU Configurations RouterFrame Router Relay NetworkUser Interfaces Rear Panel InterfacesModem TerminalUsing the Asynchronous Terminal Interface Connecting to the Terminal PortMain Menu Initiating an ATI SessionSelect Status Test Configuration Control Load From Screen Format TypesWhat Affects Screen Displays Use the screen formatScreen Work Areas Data Port OptionsPress Navigating the ScreensKeyboard Keys Screen Function Keys For the screen Select Press Return to FunctionNetwork Tests Switching to the Screen Function Key AreaExample Ending an ATI Session Customizing the DSU Identifying the Device and SystemMain Menu → Control → Device Name Device NameSaving Configuration Options If you select ThenConfiguring the DSU Configuration Option AreasAccessing and Displaying Configuration Options Configuration Option Area Configuration Option SetMonitoring the DSU What to MonitorSystem and Test Status Health and Status SELF-TEST Results Viewing System and Test StatusMain Menu → Status → System and Test Status Health and Status HhhmmssSelf-Test Results Self-Test Results Messages What Message Indicates What To DoTest Status Messages Test Status Messages MeaningViewing Network Interface Status Main Menu → Status → Network Interface StatusViewing Network Performance Statistics Network Performance StatisticsAlarm Test DM OOS OOF NS TXD RXD RTS CTS DTR Monitoring the LEDsMain Menu → Status → Display LEDs Display Leds System NetworkAlarm System LEDsDM ± Data Mode OOS ± Out of ServiceNS ± No Signal Network LEDsPort LEDs Testing Accessing the Test MenuMain Menu → Test TestDevice Messages Loopback Type Initiated By Network Interface Options , Table A-2Running Network Tests Main Menu → Test → Network TestsCSU or External Network Loopback DSU or Internal Network Loopback Send V.54 Up/Down SequencesTest Pattern for the Network Data Port Tests Running Data Port TestsMain Menu → Test → Data Port Tests Local Loopback Test Pattern for the DTERunning the Lamp Test Main Menu → Test → 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 Troubleshooting 1 Symptom Possible Cause SolutionsResetting the DSU Troubleshooting 2 Symptom Possible Cause SolutionsMain Menu → Control → Reset Device Displaying DSU Identity InformationConfiguration Option Tables Select To Access To ConfigureOverview Status Load Edit/Display TestOperating Mode Lads Timing Possible Settings Internal, External, ReceiveSystem Options Menu Table A-1. System Options 1Test Timeout Table A-1. System Options 2Lads Line Rate Kbps Test Duration minNetwork Interface Options Menu Table A-2. Network Interface OptionsNetwork-initiated DSU Loopback 64K CC Data Scrambling 64K CCData Port Options Menu Table A-3. Data Port Options 1Invert Transmit Clock Bilateral LoopbackRlsd Control Table A-3. Data Port Options 2Carrier Control by RTS Inactivity Timeout Terminal Port OptionsTable A-3. Data Port Options 3 Table A-4. Terminal Port Options 1Table A-4. Terminal Port Options 2 Disconnect TimeminutesWorksheets Configuration WorksheetsConfiguration Option Settings Network Interface Cables and Pin Assignments Terminal Port EIA-232 Connector Signal Direction Pin #Direction Pin Socket Connector User Data Port ConnectorSignal Standard EIA-232-D Crossover Cable PinLAN Adapter Converter and Cable Modular RJ48S DDS Network Interface CableRJ48S DDS Network Interface Cable Functions Circuit Pin # Cable Plug to Modular Jack LAN AdapterTechnical Specifications Table D-1. Model 7510 DSU Technical Specifications 1Table D-1. Model 7510 DSU Technical Specifications 2 Network InterfaceNetwork Compatibility DTE Data Port InterfaceGlossary Factory defaults EIA-232Excessive BPV Frame relayReset MultiplexingNode Non-latchingIndex NumbersIN-2 IN-3

727 specifications

The Paradyne 727 is a cutting-edge piece of networking equipment that stands out for its robust performance and versatility in various technological environments. Designed primarily as a digital subscriber line (DSL) modem, the Paradyne 727 has gained significant traction among service providers looking to enhance their broadband offerings for residential and business customers.

One of the main features of the Paradyne 727 is its ability to support both Asymmetric Digital Subscriber Line (ADSL) and Very-high-bit-rate Digital Subscriber Line (VDSL) technologies. This dual compatibility allows for flexible deployment in different network infrastructures, whether in urban areas with high demand for broadband or in rural areas where DSL remains a feasible option. The device is capable of delivering high-speed internet access with downstream rates that can reach up to 24 Mbps for ADSL and up to 50 Mbps for VDSL, ensuring faster connectivity for users.

The Paradyne 727 is also equipped with advanced modulation technologies, such as discrete multitone modulation (DMT), which provides a superior noise immunity and allows for higher data rates over traditional DSL technologies. This capability makes it particularly beneficial in environments with varied signal quality. Moreover, the modem features an auto-sensing capability that helps it adjust to the best transmission parameters automatically, simplifying installation and maintenance for service providers.

Another significant characteristic of the Paradyne 727 is its user-friendly design. The device incorporates an intuitive web-based management interface that allows network administrators to efficiently monitor performance metrics, configure settings, and perform troubleshooting from a centralized location. This feature streamlines operations and minimizes downtime, which is crucial in maintaining service quality and customer satisfaction.

In addition to its performance and management features, the Paradyne 727 is built with security in mind. It supports both local authentication and RADIUS authentication, providing robust access control mechanisms to protect sensitive data and ensure that only authorized users can access the network. This emphasis on security contributes to the modem's appeal in enterprise settings, where data integrity is paramount.

With its comprehensive features, advanced technologies, and commitment to performance and security, the Paradyne 727 is a significant player in the world of broadband networking. Its adaptability makes it suitable for a wide range of applications, supporting the growing demand for high-speed internet access across various market segments.