Manuals / Paradyne / Computer Equipment / Network Card

Paradyne 7112 manual Data Channel Loopback

Models: 7112

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Testing

Data Channel Loopback

Data Channel Loopback (DCLB) loops the data from all network DS0 channels assigned to the port back to the network. This loopback is located as closely as possible to the User Data Port (DTE) interface.

"Procedure

To run a data channel loopback:

1.Position the cursor at the Start command next to Data Channel Loopback on the Sync Data Port Tests screen and press Enter.

The Start command is changed to Stop.

2.If you want to manually stop the test, verify that the cursor is positioned at the Stop command and press enter.

CSU	DSU
Network
Interface	DCLB
	DCLB

ALL 1s

DTE

Port 1

97-15695

Data Channel Loopback cannot be started when any of the following tests are active:

Line, Payload, or Repeater Loopback on the network interface

DTE Payload loopback on the data port.

7112-A2-GB20-20

March 1998

7-9

Image 67

Paradyne 7112 manual Data Channel Loopback

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 About the T1 DSU/CSU Model 7112 T1 DSU/CSU FeaturesTypical Configuration through a T1 network Typical DSU/CSU ConfigurationsUser Interface Types Front Panel LED Status IndicatorsNetwork Rear Panel Interface ConnectionsSnmp Management Capabilities Management Information Base MIB SupportAccessing the ATI Using the Ascii Terminal Interface ATIConnecting to the Terminal Port Select Initiating an ATI SessionUse the screen format Screen Work AreasScreen Format Types What Affects Screen DisplaysPress Status Test Configuration ControlNavigating Keyboard KeysProcedure Example Switching Between Screen Work AreasScreen Function Keys For the screen Select Press Enter to FunctionEnding 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 If you select Then Accessing and Displaying Configuration OptionsSaving Configuration Options Main Menu → Configuration Load Configuration FromCross Connect Assignments Assigning DS0 Channels to the Data PortDisplaying DS0 Channel Assignments Using the Block or Acami Assignment MethodClearing DS0 Channel Assignments Using the Individual Channel Assignment MethodOverview SecurityMain Menu → Control → Administer Logins Creating a LoginOn the Administer Enter Logins screen, for Resetting the DSU/CSUs COM Port or Factory Defaults Deleting a LoginIf entering yes to prompt Then ATI AccessEffective Access Levels ATI Access to Menu Functions Effective Access LevelAssigning 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 NMS a NMS B FDL Connection ± Extending Subnet for FDLLAN a FDL Connection ± Unique FDL SubnetAssigning IP Addresses and Subnet Masks If using Then assignIP Addressing What to Monitor Monitoring the DSU/CSUMain Menu → Status → Display LEDs DSU/CSU LEDsFail System LEDsNetwork LEDs SIG ± Network SignalAlarm EER ± Excessive Error RatePort LEDs System and Test Status Status Screen CommandsMain Menu → Status → System and Test Status Yyyyyyyy Health and Status MessagesXxxxxxxx Self-Test ResultsTest Status Messages Meaning Test Status MessagesMain Menu → Status → Cross Connect Status Cross Connect StatusNetwork Time Slot Fields top Indicate Main Menu → Status → Network Performance Statistics Network Performance StatisticsInterval Table Summary InformationWorst Interval Hour Totals Ethernet Port StatusMain Menu → Status → Ethernet Port Status Main Menu → Status → Management Protocol Statistics Management Protocol StatisticsMarch Detecting Problems TestingStatus Specific Trap Screen Main Menu → Test Accessing the Test MenuMain Menu → Test → Network Tests Running Network TestsPayload Loopback Line LoopbackRepeater Loopback Test Patterns for the Network Remote Send Line LoopbackMain Menu → Test → Data Port Tests Running Data Port TestsCSU DSU Data Terminal LoopbackData Channel Loopback Send V.54 Up/Down Sequences Test Patterns for the DTE Send FT1 Up/Down SequencesEnding an Active Test Lamp TestConfiguring Snmp Traps Messages and TroubleshootingSnmp Traps Device Messages 1 What Message Indicates What To Do Device MessagesDevice Messages 2 What Message Indicates What To Do Troubleshooting 1 Symptom Possible Cause Solutions TroubleshootingTroubleshooting 2 Symptom Possible Cause Solutions Messages and Troubleshooting Select To Access To Configure Configuration Option TablesSelf Test Test TimeoutSystem Options Menu Table A-1. System OptionsLine Coding Format Network Interface Options MenuTable A-2. Network Interface Options 1 Line Framing FormatFDL Management Link Bit Stuffing Possible Settings 62411, Part68, DisableLine Build Out LBO Possible Settings 0.0, ±7.5, ±15, ±22.5 Table A-2. Network Interface Options 2Network 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 Synchronous Data Port Assignments Assign By Available Settings Block, ACAMI, ChannelCross Connect Assignments Table A-3. Cross Connect AssignmentsInvert Transmit Clock Data Port Options MenuTable A-4. Data Port Options 1 Port Base RateTable 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 Character Length Terminal Port OptionsTable A-5. Ethernet Port Options 2 Table A-6. Terminal Port Options 1Stop Bits Login RequiredPort Access Level Possible Settings Level 1, Level 2, Level Table A-6. Terminal Port Options 2Table 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-9. Snmp NMS Security Options 1 Name 2 AccessSnmp NMS Security Options Table A-8. General Snmp Management Options 2Table A-9. Snmp NMS Security Options 2 Access LevelNumber of Trap Managers Snmp Traps OptionsTable A-10. Snmp Traps Options 1 Snmp TrapsLink Trap Interfaces Link Traps Possible Settings Disable, Up, Down, BothTable A-10. Snmp Traps Options 2 Enterprise Specific TrapsWorksheets Configuration WorksheetsConfiguration Option Settings default in Bold Enable, DisableESF, D4 Disable, EnableBlank Internal, External Nx64, Nx56Ethernet Port Configuration Option SettingsSnmp NMS Security SnmpWorksheets MIB II ± RFC 1213 and RFC MIB DescriptionsSysDescr system System GroupSysName system Internet 4 ± Layer Interfaces GroupPhysical 1 ± Layer Datalink/subnetworkEthernetCsmacd6 ± Used for Version Hardware Revision ºUp1 IfInErrors ifEntry Testing3 stateIfInOctets ifEntry IfName ifXEntry Extension to Interface Table ifXTableIfXEntry IfStackEntry1 Interface Stack GroupIfStackEntry2 Generic Receive Address Table Interface Test TableIP Group On next InvalidExist. The following objects must Be specifiedDo not specify the following Icmp GroupTCP Group UDP GroupTransmission Snmp GroupTransmission Group Table C-6. Transmission Group Objects DescriptionDsx1ESF2 ± Indicates DS1 Near End Group Configuration Table ObjectsDsx1ConfigEntry DS1/E1 ± RFCDsx1SendNoCode1 ± Dsx1SendResetCode4 ±Dsx1B8ZS2 ± Indicates Dsx1AMI5 ± IndicatesDsx1PayloadLoop2 ± Dsx1NoAlarm1 ± NoDsx1LossOfSignal64 ± Dsx1NoLoop1 ± The T1Dsx1other1 ± Snmp LoopTiming1 ±LocalTiming2 ± ThroughTiming3 ±Dsx1CurrentEntry DS1 Near End Group Current Table ObjectsDsx1IntervalEntry DS1 Near End Group Interval Table ObjectsDsx1IntervalEntry10 Dsx1TotalEntry DS1 Near End Group Total Table ObjectsNumber of RS-232-Like Ports Object Ethernet-Like MIB ± RFCRS-232-Like MIB ± RFC DS1 Fractional GroupRs232PortEntry Asynchronous Port Table Objects Disabled2 ± Does notRs232AsyncPortEntry Rs232SyncPortEntry Synchronous Port Table ObjectsRs232InSigEntry Input Signal Table ObjectsRs232OutSigEntry Output Signal Table ObjectsTestMon Qrss wellKnownTests Generic Interface Extension MIB ± RFCGeneric Interface Test Table Objects IfExtnsTestEntry± Starts a Monitor 511 test on the interface NotSupported4 ± Requested InSyncNoBitErrorsInSyncWithBitErrors InProgress3 ± Test isDevice Traps, pdn-traps pdn-common Device Configuration Variable pdn-commonEnterprise MIB Object Device Security, pdn-security pdn-commonMIB Descriptions Snmp Trap Description Possible Cause Standards Compliance for Snmp TrapsTrap warmStart Trap authentificationFailureTraps linkUp and linkDown Interface LinkUp/Down Variable-Bindings Possible Cause Trap What It Indicates Possible Cause Traps enterpriseSpecificPage Standards Compliance for Snmp Traps Cabling Overview Cables and Pin AssignmentsModular RJ48C-to-CA81A T1 Network Interface Cable Modular RJ48C-to-RJ48C T1 Network Interface CableUse Pin # Terminal Port EIA-232 Connector10BaseT Connector Signal Direction Pin #Pin Serial Crossover CableSignal DTE V.35 ConnectorDirection Pin Socket Connector Cables and Pin Assignments Model 7112 DSU/CSU Technical Specifications 1 Technical SpecificationsModel 7112 DSU/CSU Technical Specifications 2 Glossary Channel allocation Configuration optionDefault Digital signalEnterprise-specific Factory defaultsEIA-232 Enterprise MIBMultiplexing ResetLoopback Manager SnmpSubnet address RS-232Self-test SubnetIn-8 pattern Yellow AlarmPattern Numbers IndexIN-2 IN-3 IN-4