Black Box BRTS-100 manual Pair reversal flow chart 2

Page 32

CHAPTER 4: Test Procedures

 

 

 

 

 

 

A

NEED TO CHECK

 

 

 

 

 

 

 

 

 

 

GO TO NEXT

ALL PORTS ON

 

 

 

OUTLET ON BUS

THE BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PUT 2nd

 

 

 

 

 

 

 

 

 

 

 

 

BRTS-100 (B) ON

 

 

 

 

 

 

BUS, TERMINATED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TERMINATE,

 

 

 

 

 

 

 

 

TRANSMIT,

 

 

 

 

 

 

 

 

INITIATE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

TEST STATUS?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WIRING THE SAME

 

 

 

 

WIRING DIFFERENT

 

ON PORT UNDER

 

 

 

 

ON PORT UNDER

 

TEST AND PORT

 

 

 

 

TEST AND PORT

 

BRTS-100 (A) IS ON

 

 

 

 

BRTS-100 (A) IS ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHECK WIRING,

 

 

 

 

 

 

 

 

 

PINS 3 & 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNPLUG 2nd

NO

ALL PORTS

YES

ALL PAIR

 

 

 

REVERSALS

BRTS-100 (B)

 

CHECKED?

 

 

 

 

 

IDENTIFIED

 

 

 

 

 

Figure 4-9. Pair reversal flow chart (2 of 2).

31

Image 32
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