ADTRAN 2 x E1 user manual Glossary, Acronyms Used in this Manual

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GLOSSARY

ACRONYMS USED IN THIS MANUAL

AMI	Alternate Mark Inversion
BER	Bit Error Rate
BBP	Baseband Processor
CRC	Cyclic Redundancy Check
DCE	Data Communications Equipment
DTE	Data Terminal Equipment
ESF	Extended superframe
FCC	Federal Communications Commission
FEC	Forward Error Correction
IF	Intermediate Frequency
ISM	Industrial, Scientific, and Medical
LBK	Loopback
QPSK	Quadrature Phase Shift Keying
RF	Radio Frequency
RFC	Radio Frequency Converter
RSSI	Received Signal Strength Indicator
Rx	Receive
SF	Superframe
Tx	Transmit
HDB3	High Density Bipolar 3
CV	Coding Violation
CCS	Clear Channel Signalling
CAS	Channel associated Signalling
RMT	Remote Alarm
UA1	Unframed all 1s
RRA	Received Remote Alarm

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 SelectionBaseband Processor or BBP Tracer System ConfigurationE1 Interfaces 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 PlanRF LOW CO-LOCATING Multiple SystemsAntenna Alignment Remote Bert Alarm ContactsInstallation RS-232 Interface PasswordOperation VT100 User InterfaceSystem Status Screen OperationMain Menu Selections 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 IndicatorsRecommended Actions TroubleshootingCV/CRC Light on E1A or E1B is Lit when CRC is enabled 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 ButtonCV Alarm Troubleshooting Using the VT100 User InterfaceLOS Alarm RMT Alarm OOF AlarmCRC Alarm UA1 Alarm Code Sync Status Carrier Sync Status or E1 Mux Sync Status ES Values in E1A or E1B Performance History Menu Possible CauseRFC Link Up Status 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