ADTRAN 2 x E1 Test Light is Lit or Blinking, TST Light is Lit After Pressing Remote Test Button

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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.

“Test” Light is Lit or Blinking

The test alarm will remain on (solid) during power-up, indicating a self-test is in progress. The light will flash or remain on (solid) if the self-test fails.

	Recommended Action
Possible Cause	(see list below)
• One-flash interval indicates a RAM test failure	1
• Two-flash interval indicates an internal mux failure	1
• Three-flash interval indicates the E1-A framer failed	1
• Four-flash interval indicates the E1-B framer failed	1
• Five-flash interval indicates a DSP failure	1
• On (solid) indicates a faulty internal component	1

Recommended Actions:

1.Replace the BBP.

“TST” Light is Lit After Pressing “Remote Test” Button

The Remote Test light will activate during a remote test in progress. The Remote Test performs a 10-second bit error rate test (BERT) over the RF link to the far-end.

	Recommended Action
Possible Cause	(see list below)

•A Remote Test has been activated from the front panel “Remote Test”

button or the VT100 user interface

1

Recommended Actions:

1.Allow the remote test to complete. If the Remote Test Fail light does not activate, the remote test passed. If the Remote Test Fail light activates, see section on FAIL light is lit after pressing Remote Test button.

TRACER 2 x E1 User’s Manual

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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 SequenceTracer System Configuration E1 InterfacesBaseband 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 CodeCO-LOCATING Multiple Systems Antenna AlignmentRF LOW Remote Bert Alarm ContactsInstallation Operation PasswordVT100 User Interface RS-232 InterfaceOperation Main Menu SelectionsSystem 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 GeneralTroubleshooting CV/CRC Light on E1A or E1B is Lit when CRC is enabledRecommended 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 ButtonTroubleshooting Using the VT100 User Interface LOS AlarmCV Alarm OOF Alarm CRC AlarmRMT Alarm UA1 Alarm Code Sync Status Carrier Sync Status or E1 Mux Sync Status Possible Cause RFC Link Up StatusES 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