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About This Guide

Section	Description
Appendix A	Configuration Option Tables. Contains all configuration
	options, default settings, and possible settings.
Appendix B	Worksheets. Contains all the configuration options, default
	settings, and possible settings to use for planning.
Appendix C	MIB Descriptions. Provides all MIBs supported by the
	DSU/CSU.
Appendix D	Standards Compliance for SNMP Traps. Contains SNMP
	trap compliance details.
Appendix E	Cables and Pin Assignments. Contains connector and
	interface details.
Appendix F	Technical Specifications. Contains physical and regulatory
	specifications, network and port interfaces, power
	consumption values, etc.
Glossary	Defines acronyms and terms used in this document.
Index	Lists key terms, acronyms, concepts, and sections in
	alphabetical order.

Product-Related Documents

Document Number	Document Title
7112-A2-GN10	Model 7112 T1 DSU/CSU with Internal Ethernet LAN
	Adapter Startup Instructions

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viii

March 1998

7112-A2-GB20-10

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Paradyne 7112 manual Product-Related Documents

Contents

Model 7112 T1 DSU/CSU Copyright 1998 Paradyne Corporation All rights reserved Contents Configuring the DSU/CSU Monitoring the DSU/CSU Messages and Troubleshooting MIB Descriptions Technical Specifications Glossary Index Document Purpose and Intended Audience About This GuideDocument Summary Product-Related Documents Model 7112 T1 DSU/CSU Features About the T1 DSU/CSUTypical DSU/CSU Configurations Typical Configuration through a T1 networkFront Panel LED Status Indicators User Interface TypesManagement Information Base MIB Support Rear Panel Interface ConnectionsSnmp Management Capabilities NetworkAccessing the ATI Using the Ascii Terminal Interface ATIConnecting to the Terminal Port Initiating an ATI Session SelectWhat Affects Screen Displays Screen Work AreasScreen Format Types Use the screen formatKeyboard Keys Status Test Configuration ControlNavigating PressProcedure For the screen Select Press Enter to Function Switching Between Screen Work AreasScreen Function Keys ExampleEnding an ATI Session Using the Ascii Terminal Interface ATI Entering Device and System Information Configuring the DSU/CSUMain Menu → Control → Device Configuration Option Areas Configuring the DSU/CSUConfiguration Option Area Configuration Option Set Main Menu → Configuration Load Configuration From Accessing and Displaying Configuration OptionsSaving Configuration Options If you select ThenAssigning DS0 Channels to the Data Port Cross Connect AssignmentsUsing the Block or Acami Assignment Method Displaying DS0 Channel AssignmentsUsing the Individual Channel Assignment Method Clearing DS0 Channel AssignmentsSecurity OverviewMain Menu → Control → Administer Logins Creating a LoginOn the Administer Enter Logins screen, for Deleting a Login Resetting the DSU/CSUs COM Port or Factory DefaultsATI Access If entering yes to prompt ThenEffective Access Level Effective Access Levels ATI Access to Menu FunctionsAssigning Snmp Community Names and Access Levels Controlling Snmp AccessConnection Failed Limiting Snmp Access through the IP Addresses Security IP Addressing IP AddressingLocal Addressing Only No FDL IP Addressing ExamplesSubnet FDL Connection ± Extending Subnet for FDL NMS a NMS BFDL Connection ± Unique FDL Subnet LAN aIf using Then assign Assigning IP Addresses and Subnet MasksIP Addressing Monitoring the DSU/CSU What to MonitorDSU/CSU LEDs Main Menu → Status → Display LEDsSystem LEDs FailEER ± Excessive Error Rate SIG ± Network SignalAlarm Network LEDsPort LEDs System and Test Status Status Screen CommandsMain Menu → Status → System and Test Status Health and Status Messages YyyyyyyySelf-Test Results XxxxxxxxTest Status Messages Test Status Messages MeaningMain Menu → Status → Cross Connect Status Cross Connect StatusNetwork Time Slot Fields top Indicate Network Performance Statistics Main Menu → Status → Network Performance StatisticsSummary Information Interval TableWorst Interval Hour Totals Ethernet Port StatusMain Menu → Status → Ethernet Port Status Management Protocol Statistics Main Menu → Status → Management Protocol StatisticsMarch Detecting Problems TestingStatus Specific Trap Screen Accessing the Test Menu Main Menu → TestRunning Network Tests Main Menu → Test → Network TestsLine Loopback Payload LoopbackRepeater Loopback Remote Send Line Loopback Test Patterns for the NetworkRunning Data Port Tests Main Menu → Test → Data Port TestsData Terminal Loopback CSU DSUData Channel Loopback Send V.54 Up/Down Sequences Send FT1 Up/Down Sequences Test Patterns for the DTELamp Test Ending an Active TestConfiguring Snmp Traps Messages and TroubleshootingSnmp Traps 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 SolutionsTroubleshooting 2 Symptom Possible Cause Solutions Messages and Troubleshooting Configuration Option Tables Select To Access To ConfigureTable A-1. System Options Test TimeoutSystem Options Menu Self TestLine Framing Format Network Interface Options MenuTable A-2. Network Interface Options 1 Line Coding FormatTable A-2. Network Interface Options 2 Bit Stuffing Possible Settings 62411, Part68, DisableLine Build Out LBO Possible Settings 0.0, ±7.5, ±15, ±22.5 FDL Management LinkNetwork Initiated Line Loopback LLB Table A-2. Network Interface Options 3Network Initiated Payload Loopback PLB Ansi Performance Report Messages Table A-2. Network Interface Options 4Circuit Identifier Table A-3. Cross Connect Assignments Assign By Available Settings Block, ACAMI, ChannelCross Connect Assignments Synchronous Data Port AssignmentsPort Base Rate Data Port Options MenuTable A-4. Data Port Options 1 Invert Transmit ClockTable A-4. Data Port Options 2 Action on Network Yellow AlarmInvert Transmit and Received Data Table A-4. Data Port Options 3 Ethernet Port Options Menu Port Use Possible Settings 802.3, Version 2, DisableTable A-5. Ethernet Port Options 1 Table A-6. Terminal Port Options 1 Terminal Port OptionsTable A-5. Ethernet Port Options 2 Character LengthTable A-6. Terminal Port Options 2 Login RequiredPort Access Level Possible Settings Level 1, Level 2, Level Stop BitsTable A-6. Terminal Port Options 3 Telnet Session OptionsTable A-7. Telnet Session Options 1 Table A-7. Telnet Session Options 2 General Snmp Management Options Snmp MenuTable A-8. General Snmp Management Options 1 Table A-8. General Snmp Management Options 2 Name 2 AccessSnmp NMS Security Options Table A-9. Snmp NMS Security Options 1Access Level Table A-9. Snmp NMS Security Options 2Snmp Traps Snmp Traps OptionsTable A-10. Snmp Traps Options 1 Number of Trap ManagersEnterprise Specific Traps Link Traps Possible Settings Disable, Up, Down, BothTable A-10. Snmp Traps Options 2 Link Trap InterfacesEnable, Disable Configuration WorksheetsConfiguration Option Settings default in Bold WorksheetsESF, D4 Disable, EnableBlank Nx64, Nx56 Internal, ExternalConfiguration Option Settings Ethernet PortSnmp Snmp NMS SecurityWorksheets MIB Descriptions MIB II ± RFC 1213 and RFCSysDescr system System GroupSysName system Datalink/subnetwork Interfaces GroupPhysical 1 ± Layer Internet 4 ± LayerVersion Hardware Revision º EthernetCsmacd6 ± Used forUp1 IfInErrors ifEntry Testing3 stateIfInOctets ifEntry IfName ifXEntry Extension to Interface Table ifXTableIfXEntry IfStackEntry1 Interface Stack GroupIfStackEntry2 Generic Receive Address Table Interface Test TableIP Group Be specified InvalidExist. The following objects must On nextUDP Group Icmp GroupTCP Group Do not specify the followingTable C-6. Transmission Group Objects Description Snmp GroupTransmission Group TransmissionDS1/E1 ± RFC DS1 Near End Group Configuration Table ObjectsDsx1ConfigEntry Dsx1ESF2 ± IndicatesDsx1AMI5 ± Indicates Dsx1SendResetCode4 ±Dsx1B8ZS2 ± Indicates Dsx1SendNoCode1 ±Dsx1NoLoop1 ± The T1 Dsx1NoAlarm1 ± NoDsx1LossOfSignal64 ± Dsx1PayloadLoop2 ±ThroughTiming3 ± LoopTiming1 ±LocalTiming2 ± Dsx1other1 ± SnmpDS1 Near End Group Current Table Objects Dsx1CurrentEntryDsx1IntervalEntry DS1 Near End Group Interval Table ObjectsDsx1IntervalEntry10 DS1 Near End Group Total Table Objects Dsx1TotalEntryDS1 Fractional Group Ethernet-Like MIB ± RFCRS-232-Like MIB ± RFC Number of RS-232-Like Ports ObjectRs232PortEntry Asynchronous Port Table Objects Disabled2 ± Does notRs232AsyncPortEntry Synchronous Port Table Objects Rs232SyncPortEntryInput Signal Table Objects Rs232InSigEntryOutput Signal Table Objects Rs232OutSigEntryIfExtnsTestEntry Generic Interface Extension MIB ± RFCGeneric Interface Test Table Objects TestMon Qrss wellKnownTests± Starts a Monitor 511 test on the interface InProgress3 ± Test is InSyncNoBitErrorsInSyncWithBitErrors NotSupported4 ± RequestedDevice Security, pdn-security pdn-common Device Configuration Variable pdn-commonEnterprise MIB Object Device Traps, pdn-traps pdn-commonMIB Descriptions Trap authentificationFailure Standards Compliance for Snmp TrapsTrap warmStart Snmp Trap Description Possible CauseTraps linkUp and linkDown Interface LinkUp/Down Variable-Bindings Possible Cause Traps enterpriseSpecific Trap What It Indicates Possible CausePage Standards Compliance for Snmp Traps Cables and Pin Assignments Cabling OverviewModular RJ48C-to-RJ48C T1 Network Interface Cable Modular RJ48C-to-CA81A T1 Network Interface CableSignal Direction Pin # Terminal Port EIA-232 Connector10BaseT Connector Use Pin #Serial Crossover Cable PinSignal DTE V.35 ConnectorDirection Pin Socket Connector Cables and Pin Assignments Technical Specifications Model 7112 DSU/CSU Technical Specifications 1Model 7112 DSU/CSU Technical Specifications 2 Glossary Digital signal Configuration optionDefault Channel allocationEnterprise MIB Factory defaultsEIA-232 Enterprise-specificManager Snmp ResetLoopback MultiplexingSubnet RS-232Self-test Subnet addressIn-8 pattern Yellow AlarmPattern Index NumbersIN-2 IN-3 IN-4