Black Box BRTS-100 manual Monitor flow chart

Page 35

 

BRTS-100 ISDN TEST SET

 

 

Monitor Assumes

 

 

1. Test Set is in Normal Mode

 

 

2.

All Terminals are Properly

 

 

 

Terminated

 

 

3.

No Pair Reversals on Passive Bus

MONITOR

4.

LINE TEST Passes

 

 

5.

Terminal Does Not Work

 

 

 

 

 

 

6.

Terminal Receiving Proper Power

PUT CIRCUIT IN

 

 

PASSIVE BUS

CONFIGURATION (CONFIGURATION 2)

“D” ACTIVITY

INITIATE

CHECKING FOR

D CHANNEL

 

 

 

ACTIVITY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TRY TO INITIATE

 

 

 

 

 

A CALL WITH

 

 

 

 

 

TERMINAL

 

 

TERMINAL IS NOT

NO

 

 

YES

TERMINAL IS

 

 

 

 

RED LIGHT

 

 

 

PUTTING OUT

 

SENDING ANYTHING

FLASH?

 

D CHANNEL DATA

 

 

 

 

 

 

 

CHECK

 

 

 

 

 

 

 

 

CHECK

 

 

 

 

 

 

 

SWITCH

 

TERMINAL

 

 

 

PARAMETERS

 

Figure 4-11. Monitor flow chart.

34

Image 35
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