Black Box BRTS-100 manual Appendix Maintenance, Battery Replacement

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BRTS-100 ISDN TEST SET

Appendix: Maintenance

The Test Set requires very little maintenance other than replacing the 9-VDC battery periodically and possibly replacing one or both of the two 8-pin RJ-45- type jack connectors.

NOTE: Average battery life is approximately 15 hours of continuous use.

Battery Replacement

To replace the 9-VDC battery follow these steps and refer to Figure A-1.

1.Using a #2 Phillips screwdriver, remove the battery cover retaining screw.

2.Lift up on the battery cover and expose the 9-VDC battery.

3.Replace the battery. Replace the battery cover and retaining screw.

BATTERY COVER

RETAINING SCREW

BACK VIEW OF BRTS-100

9 VOLT BATTERY

Figure A-1. Battery replacement diagram.

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Contents BRTS-100 Isdn Test Set FCC Statement BRTS-100 Isdn Test SET NOM Statement Trademarks Used in this Manual Contents Specifications Introduction How to Use This ManualOverview 100 Est FeaturesOperation Connecting the UnitBRTS-100 Isdn Test Set controls and indicators Passive BUS Controls and Indicators Feature Buttons Powering Up the UnitIndicators 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 procedureReceive Test Line Test/Transmit See FigureLevel 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