UA1 Alarm | ADTRAN 2 x E1 guide

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.

TRACER 2 x E1 User’s Manual

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ADTRAN 2 x E1 user manual UA1 Alarm

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 Warranty, Ordering and Return Information SpecificationsGlossary Appendix a Illustrations Viii Introduction Tracer DescriptionApplications Spread Spectrum Tracer Description Forward Error CorrectionChannel Selection Direct Sequence E1 Interfaces Tracer System ConfigurationBaseband Processor or BBP VT100 RS-232 Interface Block diagram of the BBP is shown in Figure If Signal Alarm ContactsPower Controls and Indicators 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 Applying Power Connecting the BBP and the RFCAutomatic BBP Frequency Plan Spreading Code Antenna Alignment CO-LOCATING Multiple SystemsRF LOW Remote Bert Alarm Contacts Installation Operation PasswordVT100 User Interface RS-232 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 Problem Descriptions and Recommended Actions SectionTROUBLESHOOTING4 TroubleshootingTroubleshooting Using the Front Panel Indicators General 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 Power SpecificationsVT100 Terminal Interface Mechanical & Environmental Warranty WARRANTY, Ordering and ReturnSales Repairs and Returns Warranty, Ordering and Return Information Acronyms Used in this Manual Glossary Glossary Terminal Connection DB-25 Appendix a Cable ConnectionsPersonal Computer Connection DB-9 Modem Connection DB-25 Appendix a Cable Connections