Paradyne 727 manual Health and Status, Hhhmmss

Page 25

Monitoring the DSU

Health and Status

The following messages appear in the first column of the System and Test Status screen. The highest priority Health and Status message also appears on all ATI screens on the bottom right.

Table 4-2. Health and Status Messages (1 of 2)

Message

What Message Indicates

What To Do

 

 

 

Cross Pair Detection

The DDS Receive (RX) and Transmit (TX) pairs are crossed on the network interface. Alarm LED is on.

Reverse the RX and TX pair at the punchdown block or other termination point.

No Signal

No signal is being received.

1.

Verify that the network cable is

hhh:mm:ss 1

Local DSU network problem.

 

securely attached at both ends.

 

The Alarm and NS LEDs are

2.

Contact network provider.

 

on and Network Performance

 

 

 

 

Statistics are active.

 

 

 

 

 

 

Out of Service

DSU is receiving out of

1.

Verify that the remote site is in

hhh:mm:ss 1

service code from the

 

service.

 

network for the remote unit.

2.

Contact network provider.

 

The Alarm and OOS LEDs

 

 

 

 

are on and Network

 

 

 

Performance Statistics are

 

 

 

active.

 

 

 

 

 

 

Out of Frame

DSU is detecting an out of

1.

Verify that the line rate matches

hhh:mm:ss 1

frame condition, associated

 

the configured rate.

 

with:

2.

Contact network provider.

 

H Receiving out of frame

 

 

 

 

code from the network.

 

 

 

H DSU detecting out of frame

 

 

 

errors with 64 kbps CC

 

 

 

data rate.

 

 

 

H DSU unable to synchronize

 

 

 

local receiver circuit with

 

 

 

line signal.

 

 

 

 

 

 

Excessive BPVs

Data rates do not match or

1.

Verify that the network cable is

hhh:mm:ss 1

network trouble is causing

 

securely attached at both ends.

 

bipolar violations. Alarm LED

2.

Contact network provider if

 

is on and Network

 

 

problem persists.

 

Performance Statistics are

 

 

 

 

 

active.

 

 

 

 

 

User Data Port

The DTE is not ready to

Check on the DTE status. Verify

DTR Off

transmit or receive data. This

that the DTE is powered up and

 

message will not appear

asserting DTR.

 

unless Monitor DTR is

 

 

 

enabled.

 

 

 

 

 

 

1hhh:mm:ss indicates the amount of time the condition has existed in hours, minutes, and seconds. When the maximum time has been exceeded, 255:59:59+ appears.

7510-A2-GB20-00

March 1997

4-3

Image 25
Contents Area Code Change Model 7510 DSU Copyright  1997 Paradyne Corporation All rights reserved Contents Monitoring the DSU Technical Specifications Glossary Index Document Purpose and Intended Audience About This GuideDocument Summary Model 7510 DSU Startup Instructions Product-Related DocumentsAbout the DSU Model 7510 DSU FeaturesRouter Typical DSU ConfigurationsFrame Router Relay NetworkRear Panel Interfaces User InterfacesModem TerminalConnecting to the Terminal Port Using the Asynchronous Terminal InterfaceSelect Initiating an ATI SessionMain Menu Screen Format Types Status Test Configuration Control Load FromWhat Affects Screen Displays Use the screen formatData Port Options Screen Work AreasKeyboard Keys Navigating the ScreensPress For the screen Select Press Return to Function Screen Function KeysExample Switching to the Screen Function Key AreaNetwork Tests Ending 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 DSUMain Menu → Status → System and Test Status Viewing 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 TestNetwork Interface Options , Table A-2 Device Messages Loopback Type Initiated ByMain Menu → Test → Network Tests Running Network TestsCSU or External Network Loopback Send V.54 Up/Down Sequences DSU or Internal Network LoopbackTest Pattern for the Network Main Menu → Test → Data Port Tests Running 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 LoopbackCarrier Control by RTS Table A-3. Data Port Options 2Rlsd 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 Option Settings Configuration WorksheetsWorksheets Network Interface Cables and Pin Assignments Signal Direction Pin # Terminal Port EIA-232 ConnectorSignal User Data Port ConnectorDirection 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

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.

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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.