Testing, Detecting Problems, Alarm Condition | Paradyne SNMP DSU

Testing

7

Detecting Problems

The DSU can detect and report problem conditions and perform diagnostic tests. The DSU offers a number of indicators to alert you to possible problems:

HLEDs ± Refer to the DSU LEDs section in Chapter 6.

HSNMP Traps ± For information on traps, refer to the Configuring SNMP Traps section in Chapter 8.

HHealth and status messages and network performance statistics. Refer to Monitoring the DSU, Chapter 6.

HAlarm Condition Indications.

The following table shows the available indicators of alarm conditions on the network interface and the User Data port.

Alarm Condition

SNMP

Trap

ATI Status	ASCII Alarm	Alarm
Screen	(if configured)	LED

Specific

LED

Crossed Pairs	Y1	Y	Y	Y	N
No Signal (NS)	Y1	Y	Y	Y	Y
Out of Service (OOS)	Y1	Y	Y	Y	Y
Out of Frame (OOF)	Y1	Y	Y	Y	Y
Excessive Bipolar	Y1	Y	Y	Y	N
Violations (BPV)

Inband Framing Error	N	Y	Y	Y	N

DTR Off	Y1	Y	N	N	Y

1Link Up/Link Down Trap

To configure ASCII Alarms, use the Alarms & Traps options screen. Refer to Alarms & Traps Options, Table A-8. For additional information regarding ASCII alarm generation, refer to the Alarm Messages section of Chapter 8.

7610-A2-GB20-10

November 1997

7-1

Image 46

Paradyne SNMP DSU Testing, Detecting Problems, Alarm Condition, Trap ATI Status Ascii Alarm Screen If configured, Specific

Contents

Model 7610 Snmp DSU Copyright 1996 Paradyne Corporation All rights reserved Contents Customizing the Snmp DSU Monitoring the DSU Configuration Option Tables Glossary Index Document Purpose and Intended Audience About This GuideDocument Summary Product-Related Documents Appendix a Model 7610 Snmp DSU Features About the Snmp DSU Snmp Management Capabilities MIB Support Typical Snmp DSU Configurations Supported Link-Layer Protocols Modem User Interface TypesRear Panel Interface Connections Terminal Accessing the ATI Using the ATIConnecting to the Terminal Port Select Status Test Configuration ControlMain Menu Edit/Display What Affects Screen Displays Screen Format TypesUse the screen format Screen Work Areas Menu Path Keyboard Keys Navigating the ScreensPress Screen Function Keys For the screen function Select Press Return to Switching Between Screen Work Areas Ending a Session Customizing the Snmp DSU Entering Device and System Information Identity Information System Fields Configuration Option Areas Configuring the DSUConfiguration Option Area Configuration Option Set Saving Configuration Options Accessing and Displaying Configuration OptionsIf you select Then Establishing Call Setup Call Directories Screen Call Directory Phone Number Entries Characters Use Call Setup Screen Main Menu → Control → Call Setup Security Security Overview Creating a Login On the Administer Enter Logins screen, for Deleting a Login Effective Access Level ATI AccessEffective Access Levels ATI Access to Menu Functions Interface Idle appears User Interface AlreadyConnection Refused Controlling Snmp Access Assigning Snmp Community Names and Access Levels IP Addressing Selecting an IP Addressing Scheme Remote Site IP Addressing Scheme ExamplesIMC Connection ± Same Subnet Subnet Using Routers to Route DSU Management Data DDS If using Then Choosing a Default Network DestinationAssigning IP Addresses and Subnet Masks What to Monitor Monitoring the DSUDSU LEDs System LEDs Main Menu → Status → Display LEDs NS ± No Signal DM ± Data ModeOOS ± Out of Service Network LEDs Port LEDs Viewing Health and Status Unit StatusHhhmmss Yyyyyyyy Network Interface Status Self-Test Results Network Performance Statistics Network Performance Statistics Alarm Condition TestingDetecting Problems Trap ATI Status Ascii Alarm Screen If configured Tests Available Network Tests DSU or Internal Network Loopback CSU or External Network LoopbackSend V.54 Up/Down Sequences Test Pattern for the Network Data Port TestsLamp Test Local Loopback Test Status Messages Ending an Active TestTest Status Messages 1 Meaning Test Status Messages 2 Meaning LoopbacksLoopbacks 1 Loopback Type Initiated By Device Reset Loopbacks 2 Loopback Type Initiated By If entering yes to prompt Then all Alarm Messages Messages and TroubleshootingMessages and Troubleshooting Ascii Alarms Ascii Alarm Messages Configuring Snmp Traps Dialing Out Snmp Traps Device Messages Device Messages 1 What Message Indicates What To Do Troubleshooting 1 Symptom Possible Cause Solutions TroubleshootingDevice Messages 2 What Message Indicates What To Do Troubleshooting 2 Symptom Possible Cause Solutions Tests Available section Configuration Option Tables Overview Configuration Option TablesSelect To Access To Configure Table A-1. System Options 1 Operating ModeSystem Options Menu Edit/Display Status DDS Line Rate Kbps Lads Timing Possible Settings Internal, External, ReceiveTable A-1. System Options 2 Lads Line Rate Kbps Table A-1. System Options 3 Test TimeoutSecurity Violation Alarm Test Duration min Network-initiated DSU Loopback 64K CC Network Interface Options MenuTable A-2. Network Interface Options 1 Data Scrambling 64K CC Table A-2. Network Interface Options 2 Cross Pair Detection AlarmIMC Routing Information Protocol Out of Frame Alarm No Signal AlarmOut of Service Alarm Excessive BPV Alarm In-Band Framing Alarm Table A-2. Network Interface Options 4 Invert Transmit Clock Data Port Options MenuTable A-3. Data Port Options 1 Bilateral Loopback Carrier Control by RTS Table A-3. Data Port Options 2Rlsd Control Table A-3. Data Port Options 3 User Interface Options MenuTerminal Port Options Table A-4. Terminal Port Options 1 Table A-4. Terminal Port Options 2 Login RequiredPort Access Level Possible Settings Level 1, Level 2, Level Parity Table A-4. Terminal Port Options 3 Management Port OptionsTable A-5. Management Port Options 1 Table A-5. Management Port Options 2 Port Type Possible Settings Asynchronous, SynchronousClock Source Table A-5. Management Port Options 3 External Device Options for the Management PortRouting Information Protocol Table A-6. External Device Options 1 External Device CommandsDial-In Access Connect Prefix Connect Indication String Table A-6. External Device Options 2Escape Sequence Table A-7. Telnet Session Options 1 Telnet Session OptionsTable A-6. External Device Options 3 Disconnect String Table A-7. Telnet Session Options 2 Disconnect Time minutes Ascii Alarm Messages Alarms & Traps Options MenuTable A-8. Alarms & Traps Options 1 Alarm & Trap Dial-Out Call Retry Table A-8. Alarms & Traps Options 2Snmp Trap Disconnect Alternate Dial-Out Directory Communication Protocol Options Snmp & Communication Options MenuTable A-9. Communication Protocol Options 1 Table A-9. Communication Protocol Options 2 Default Network DestinationManagement Port Link Protocol Table A-10. General Snmp Management Options 1 Name 1 AccessGeneral Snmp Management Options Snmp Management Table A-10. General Snmp Management Options 2 Name 2 AccessSnmp NMS Security Options Table A-11. Snmp NMS Security Options 1 Access Level Table A-11. Snmp NMS Security Options 2 Snmp Traps Snmp Traps OptionsTable A-12. Snmp Traps Options 1 Number of Trap Managers Enterprise Specific Traps Link Traps Possible Settings Disable, Up, Down, BothTable A-12. Snmp Traps Options 2 Link Trap Interfaces Ascii Characters Hex Sequence Table A-13. Ascii Non-Printable Characters SequenceHex Worksheets Configuration WorksheetsConfiguration Option Settings Overview Network Interface None, Proprietary Management Port Terminal PortExternal Device General Snmp Management Enable, DisableCommunication Protocol Snmp NMS Security MIB Description Overview MIB DescriptionsMIB II ± RFC 1213 and RFC RS-232-Like MIB ± RFC Enterprise MIB Objects Datalink/subnetwork 2 ± System GroupPhysical 1 ± Layer Internet 4 ± Layer IfEntry Interfaces GroupInterfaces Software Revision PPP Testing3 state Management port is Extension to Interface Table ifXTable IfXEntry Interface Test Table Testing3Interface Stack Group Down2 InSyncWithBitErrors InSyncNoBitErrors ifTestCode 2 ±IfTestEntry2 Generic Receive Address Table Table C-6. IP Group Objects 1 Description Setting/ContentsIP Group Table C-6. IP Group Objects 2 Description Setting/Contents UDP Group Icmp GroupTCP Group Transmission Group General Port Table Objects RS-232-Like MIB, RFCNumber of RS-232-Like Ports Object Rs232PortEntry Asynchronous Port Table Objects Rs232Async PortEntry Rs232Async Synchronous Port Table ObjectsRs232Sync Rs232Sync PortEntry Input Signal Table ObjectsInteger number ± represents Rs232InSigEntry Output Signal Table Objects Rs232OutSigEntry DDS Interface Specific Definitions, pdn-dds pdn-interfaces Device Configuration Variable pdn-commonPort Usage Table, pdn-devPortUsage pdn-interfaces Device Security, pdn-security pdn-common Trap authentificationFailure Standards Compliance for Snmp TrapsSnmp Traps Overview Snmp Trap Description Possible Cause Traps linkUp and linkDown Trap warmStartInterface LinkUp/Down Variable-Bindings Possible Cause Traps Enterprise Specific Trap What It Indicates Possible Cause 7610-A2-GB20-10 Cables and Pin Assignments Cabling Overview Management Port EIA-232 Connector Terminal Port EIA-232 ConnectorSignal Direction Pin # Signal User Data Port ConnectorDirection Pin Socket Connector Standard EIA-232-D Crossover Cable Pin RJ48S DDS Network Interface Cable Functions Circuit Pin # LAN Adapter Converter and CableModular RJ48S DDS Network Interface Cable Cable Plug to Modular Jack LAN Adapter Glossary Enterprise MIB Factory defaultsEIA-232 Excessive BPV Link layer protocol ResetLatching loopback Loopback Subnet RouterRS-232 Subnet address Index Numbers IN-2 IN-3