Troubleshooting | ADTRAN 2 x E1 specification

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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ADTRAN 2 x E1 user manual Troubleshooting

Contents

Tracer 2 x E1 User’s Manual 61280004L2-1C R N I N G Radio Frequency Interface Statement Radio Frequency Interference Statement Table of Contents Operation Troubleshooting Appendix a SpecificationsWarranty, Ordering and Return Information Glossary Illustrations Viii Spread Spectrum Tracer DescriptionIntroduction Applications Direct Sequence Forward Error CorrectionTracer Description Channel Selection E1 Interfaces Tracer System ConfigurationBaseband Processor or BBP VT100 RS-232 Interface Block diagram of the BBP is shown in Figure Controls and Indicators Alarm ContactsIf Signal Power Freq Non-volatile Memory Name Function Radio Frequency Converter or RFC Built-In Tests 10. Front and Rear of Rackmount RFC Housing Antenna 100 mW Antenna Selection UNPACK, Inspect Installation Grounding Installation E1 Interfaces 15 Pin RJ-48 P O R T a N T Link Planning Antenna Gain Antenna Feedline Loss Path Availability Path Loss GHZ, 1 Watt Transmitter Option Setting the Transmitter Power 4 GHz Diplexer Setting the RFC Frequency Plan on NON 1 Watt 2.4 GHZ Models Plan a Plan B 8 GHz Diplexer Setting the RFC Frequency Plan on 5.8 GHZ Models Spreading Code Connecting the BBP and the RFCApplying Power Automatic BBP Frequency Plan Antenna Alignment CO-LOCATING Multiple SystemsRF LOW Remote Bert Alarm Contacts Installation RS-232 Interface PasswordOperation VT100 User Interface Main Menu Selections OperationSystem Status Screen Tracer Main Menu Main Menu Screen E1A Status Screen E1 Status / Configuration / Loopback Link Performance History Screen Link Performance History E1B Statistics E1A Statistics General SectionTROUBLESHOOTING4 TroubleshootingProblem Descriptions and Recommended Actions Troubleshooting Using the Front Panel Indicators CV/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 Lit ALM is Lit No Power Light TST Light is Lit After Pressing Remote Test Button Test Light is Lit or Blinking RF Low Light is On Fail Light is Lit After Pressing Remote Test Button LOS 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 Interface Repairs and Returns WARRANTY, Ordering and ReturnWarranty Sales Warranty, Ordering and Return Information Acronyms Used in this Manual Glossary Glossary Modem Connection DB-25 Appendix a Cable ConnectionsTerminal Connection DB-25 Personal Computer Connection DB-9 Appendix a Cable Connections