Black Box BRTS-100 manual Modes of Operation, Test Status PASS/FAIL Lights Reflects test status

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CHAPTER 3: Operation

NOTE: In reverse mode, the light indicators are opposite.

AUXILIARY POWER LIGHT — Indicates the presence and polarity of auxiliary power.

Green light — Auxiliary power present, normal polarity.

Red light — Auxiliary power present, reverse polarity.

No light — No auxiliary power present.

TEST STATUS (PASS/FAIL) LIGHTS — Reflects test status.

INITIATE LIGHT (yellow LED) — The INITIATE button and light are used in testing modes. When performing certain test functions, this LED indicates that the INITIATE button must be pushed.

3.5 Modes of Operation

You can select a mode of operation by turning the selector dial (see Figure 3-1).

LINE TEST — Verifies that a terminal will be able to access the D channel.

NOTE: After selecting this function with the selector, depress the INITIATE button and the test will begin.

Pass — Good line.

Fail — Bad line.

RECEIVE — Monitors activity on the terminal’s receive pair. Pass — Test Set is in SYNCH with the NT1.

Fail — Test Set is not in SYNCH with the NT1.

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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 Overview How to Use This ManualIntroduction Features 100 EstConnecting the Unit OperationBRTS-100 Isdn Test Set controls and indicators Passive BUS Indicators Powering Up the UnitControls and Indicators Feature Buttons 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 ModesLevel Test Line Test/Transmit See FigureReceive 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