ADTRAN 2 x E1 user manual UA1 Alarm

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61280004L2-1C

Section 4 Troubleshooting

I M P O R T A N T

If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (011) 256-963-8716.

Recommended Actions:

1.Check the far-end equipment for alarms or a LOS condition.

2.Check the E1 connections at the far-end equipment.

3.Reset the far-end equipment.

UA1 Alarm

This alarm is indicated on the E1A or E1B Status/Configuration/Loopback page.

	Recommended Action
Possible Cause	(see list below)

•The E1 equipment is sending unframed all 1’s ........................................... 1,2

Recommended Actions:

1.Reset the upstream equipment and verify normal operation.

2.Verify the presence of an E1 signal at the E1 monitor jack using an E1 test set.

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Contents Tracer 2 x E1 User’s Manual 61280004L2-1C R N I N G Radio Frequency Interface StatementRadio Frequency Interference Statement Table of Contents Operation Troubleshooting Warranty, Ordering and Return Information SpecificationsGlossary Appendix aIllustrations Viii Introduction Tracer DescriptionApplications Spread SpectrumTracer Description Forward Error CorrectionChannel Selection Direct SequenceE1 Interfaces Tracer System ConfigurationBaseband Processor or BBP VT100 RS-232 Interface Block diagram of the BBP is shown in FigureIf Signal Alarm ContactsPower Controls and IndicatorsFreq Non-volatile Memory Name FunctionRadio Frequency Converter or RFC Built-In Tests10. Front and Rear of Rackmount RFC Housing Antenna 100 mW Antenna SelectionUNPACK, Inspect InstallationGrounding InstallationE1 Interfaces 15 Pin RJ-48P O R T a N T Link PlanningAntenna Gain Antenna Feedline LossPath Availability Path LossGHZ, 1 Watt Transmitter Option Setting the Transmitter Power4 GHz Diplexer Setting the RFC Frequency Plan on NON 1 Watt 2.4 GHZ ModelsPlan a Plan B 8 GHz Diplexer Setting the RFC Frequency Plan on 5.8 GHZ ModelsApplying Power Connecting the BBP and the RFCAutomatic BBP Frequency Plan Spreading CodeAntenna Alignment CO-LOCATING Multiple SystemsRF LOW Remote Bert Alarm ContactsInstallation Operation PasswordVT100 User Interface RS-232 InterfaceMain Menu Selections OperationSystem Status Screen Tracer Main Menu Main Menu ScreenE1A Status Screen E1 Status / Configuration / LoopbackLink Performance History Screen Link Performance HistoryE1B Statistics E1A StatisticsProblem Descriptions and Recommended Actions SectionTROUBLESHOOTING4 TroubleshootingTroubleshooting Using the Front Panel Indicators GeneralCV/CRC Light on E1A or E1B is Lit when CRC is enabled TroubleshootingRecommended Actions LOS/OOF Light on E1A or E1B LBK-A or LBK-B is LitALM is Lit No Power LightTST Light is Lit After Pressing Remote Test Button Test Light is Lit or BlinkingRF Low Light is On Fail Light is Lit After Pressing Remote Test ButtonLOS Alarm Troubleshooting Using the VT100 User InterfaceCV Alarm CRC Alarm OOF AlarmRMT Alarm UA1 Alarm Code Sync Status Carrier Sync Status or E1 Mux Sync Status RFC Link Up Status Possible CauseES Values in E1A or E1B Performance History Menu SES Values in E1A or E1B Performance History Menu Troubleshooting Specifications Power SpecificationsVT100 Terminal Interface Mechanical & EnvironmentalWarranty WARRANTY, Ordering and ReturnSales Repairs and ReturnsWarranty, Ordering and Return Information Acronyms Used in this Manual GlossaryGlossary Terminal Connection DB-25 Appendix a Cable ConnectionsPersonal Computer Connection DB-9 Modem Connection DB-25Appendix a Cable Connections