ADTRAN 2 x E1 user manual Pin RJ-48, E1 Interfaces

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61280004L2-1C

Section 2 Installation

E1 Interfaces

The E1 interface conforms to the ITU G.703 and G.704 electrical and signaling interfaces recommendations. Two interfacing configurations are available:

•75Ω unbalanced BNC coaxial connectors.

•120Ω balanced 15 pin / RJ48 connectors with the pinouts shown here.

15 Pin		RJ-48
Pin	Function	Pin	Function
1	E1 Out ring	1	E1	Out ring
2	Frame ground	2	E1	Out tip
3	E1 In ring	3	N.C.
4	Frame ground	4	E1	In ring
5	N.C.	5	E1	In tip
6	N.C.	6	N.C.
7	N.C.	7	N.C.
8	N.C.	8	N.C.
9	E1 Out tip
10	N.C.
11	E1 In tip
12	N.C.
13	N.C.
14	N.C.
15	N.C.

The 75Ω unbalanced interface provides two pair of 75Ω BNC connectors. The shield of the OUT coaxial connection is attached to earth ground. A jumper is provided to optionally connect the shield of the INPUT coaxial connection to ground as described in G.703. This jumper is located on the inside of the E1 interface board, between each of the two BNC connectors. The E1 module must be removed to access this option.

The 120Ω balanced interface provides two individual 120Ω 15-pin connectors.

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