ADTRAN 2 x E1 user manual Troubleshooting

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61280004L2-1C

Table of Contents

Main Menu Screen	27
E1 Status / Configuration / Loopback Screen	28
Link Performance History	29
E1A Statistics Page	30
E1B Statistics Page	30
Section 4. Troubleshooting
General	31
Problem Descriptions and Recommended Actions	31
Troubleshooting Using the Front Panel Indicators	31
“Link Down” Light is Lit	31
CV/CRC Light On E1A or E1B is Lit – when CRC is enabled	32
“LBK-A” or “LBK-B” is Lit	33
“LOS/OOF Light on E1A or E1B is Lit	33
ALM is Lit	34
No “Power” Light	34
“Test” Light is Lit or Blinking	35
“TST” Light is Lit after Pressing “Remote Test” Button	35
“Fail” Light is Lit after Pressing “Remote Test” Button	36
“RF Low” Light is On	36
Troubleshooting Using the VT100 User Interface	37
LOS Alarm	37
CV Alarm	37
OOF Alarm	38
CRC Alarm	38
RMT Alarm	38
UA1 Alarm	39
Code Sync Status	40

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 Appendix a SpecificationsWarranty, Ordering and Return Information GlossaryIllustrations Viii Spread Spectrum Tracer DescriptionIntroduction ApplicationsDirect Sequence Forward Error CorrectionTracer Description Channel SelectionE1 Interfaces Tracer System ConfigurationBaseband Processor or BBP VT100 RS-232 Interface Block diagram of the BBP is shown in FigureControls and Indicators Alarm ContactsIf Signal PowerFreq 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 ModelsSpreading Code Connecting the BBP and the RFCApplying Power Automatic BBP Frequency PlanAntenna Alignment CO-LOCATING Multiple SystemsRF LOW Remote Bert Alarm ContactsInstallation RS-232 Interface PasswordOperation VT100 User 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 StatisticsGeneral SectionTROUBLESHOOTING4 TroubleshootingProblem Descriptions and Recommended Actions Troubleshooting Using the Front Panel IndicatorsCV/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 Mechanical & Environmental SpecificationsPower VT100 Terminal InterfaceRepairs and Returns WARRANTY, Ordering and ReturnWarranty SalesWarranty, Ordering and Return Information Acronyms Used in this Manual GlossaryGlossary Modem Connection DB-25 Appendix a Cable ConnectionsTerminal Connection DB-25 Personal Computer Connection DB-9Appendix a Cable Connections