Black Box BRTS-100 manual Proper device terminations diagram

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BRTS-100 ISDN TEST SET

TERMINAL

TERMINAL

TERMINAL

TERMINAL

TERMINAL

LAST DEVICE

NT1

NOT

TERMINATED

NOT

TERMINATED

NOT

TERMINATED

NOT

TERMINATED

SHOULD BE TERMINATED

AT 100 OHMS

FIRST DEVICE

TERMINAL

NOT TERMINATED

TERMINAL

NOT TERMINATED

TERMINAL

NOT TERMINATED

Figure 4-8. Proper device terminations diagram.

28

Image 29

Contents BRTS-100 Isdn Test Set FCC Statement BRTS-100 Isdn Test SET NOM Statement Trademarks Used in this Manual Contents Specifications Overview How to Use This ManualIntroduction 100 Est FeaturesOperation Connecting the UnitBRTS-100 Isdn Test Set controls and indicators Passive BUS Indicators Powering Up the UnitControls and Indicators Feature Buttons Test Status PASS/FAIL Lights Reflects test status Modes of OperationTest Configuration 1 Point-to-Point NT1 Figure Test ProceduresTest Procedures Comprehensive Troubleshooting Procedure Comprehensive troubleshooting flow chart 1 Comprehensive troubleshooting flow chart 2 Phantom Conclusion Light Check PowerCheck Loop Check PowerTest Procedures Check loop flow chart 1 Check loop flow chart 2 Check loop flow chart 3 Test Procedures Passive Bus-Check Terminations Passive Bus Configuration 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 Technical Reference Power-Source IndicatorsActivation/Deactivation Modes Activation/deactivation procedureLevel Test Line Test/Transmit See FigureReceive Test Transmit and line test DC Continuity AC ImpedanceAC impedance Two Test Set units used for tracing SpeakerBattery Replacement Appendix MaintenanceFigure A-2. Replacing the 8-Pin Jack Connectors Pin Jack ReplacementCopyright 2002. Black Box Corporation. All rights reserved