Black Box BRTS-100 manual Passive BUS

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CHAPTER 3: Operation

TERMINAL

BRTS-100

ISDN TEST UNIT

TO NT1

A

1

8

1

8

B

PASSIVE BUS

TO NT1

A

1

8

1

8

B

BRTS-100

ISDN TEST UNIT

POINT-TO-POINT

Figure 3-2. Connecting the Test Set for point-to-point or passive-bus

configurations.

11

Image 12

Contents BRTS-100 Isdn Test Set FCC Statement BRTS-100 Isdn Test SET NOM Statement Trademarks Used in this Manual Contents Specifications How to Use This Manual IntroductionOverview Features 100 EstConnecting the Unit OperationBRTS-100 Isdn Test Set controls and indicators Passive BUS Powering Up the Unit Controls and Indicators Feature ButtonsIndicators Modes of Operation Test Status PASS/FAIL Lights Reflects test statusTest Procedures Test Configuration 1 Point-to-Point NT1 FigureTest Procedures Comprehensive Troubleshooting Procedure Comprehensive troubleshooting flow chart 1 Comprehensive troubleshooting flow chart 2 Check Power Phantom Conclusion LightCheck Power Check LoopTest Procedures Check loop flow chart 1 Check loop flow chart 2 Check loop flow chart 3 Test Procedures Passive Bus Configuration Check Terminations Passive Bus-Check TerminationsTest Procedures Proper device terminations diagram Pair Reversal Pair reversal flow chart 1 Pair reversal flow chart 2 10. Pair reversal diagram Monitor 11. Monitor flow chart Power-Source Indicators Technical ReferenceActivation/deactivation procedure Activation/Deactivation ModesLine Test/Transmit See Figure Receive TestLevel Test Transmit and line test AC Impedance DC ContinuityAC impedance Speaker Two Test Set units used for tracingAppendix Maintenance Battery ReplacementPin Jack Replacement Figure A-2. Replacing the 8-Pin Jack ConnectorsCopyright 2002. Black Box Corporation. All rights reserved