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Black Box BRTS-100 Figure 3-1. BRTS-100 ISDN Test Set controls and indicators.

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BRTS-100 ISDN TEST SET

Figure 3-1. BRTS-100 ISDN Test Set controls and indicators.

PASSFAIL

TEST STATUS PHANTOM

PINS 7-8

AUX

POWER

LINE

TEST

RECEIVE

INITIATE

LINE

SPEAKER

TERMINATE

100 OHM

POWER

OFF ON

ON OFF

REV NORM

TRACE

TONE

LEVEL -6dB

TRANSMIT

“D” ACTIVITY

IMPEDANCE

CONTINUITY

GRN “1” RED “0”

BRTS-100

ISDN Test Set

18 18

AB

SPEAKER

TEST MODE

SELECT DIAL

INDICATOR LEDS

I/O PORTS A & B

(8-PIN CONNECTORS)

INDICATOR LED

FEATURE BUTTONS

Contents

Main OCTOBER 1994 TS675A BRTS-100 ISDN Test Set BRTS-100 ISDN Test Set Page NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD NOM STATEMENT Page CONTENTS Contents 1. Specifications CHAPTER 2: Introduction 2. Introduction 2.1 Overview 2.2 How to Use This Manual Figure 2-1. The BRTS-100 ISDN Test Set. 2.3 Features 3. Operation 3.1 Overview 3.2 Connecting the Unit COLOR SIGNAL PIN NUMBER Figure 3-1. BRTS-100 ISDN Test Set controls and indicators. BRTS-100 ISDN Test Set Figure 3-2. Connecting the Test Set for point-to-point or passive-bus configurations. PASSIVE BUS POINT-TO-POINT 3.3 Powering Up the Unit 3.4 Controls and Indicators Feature Buttons Indicators 3.5 Modes of Operation 4. Test Procedures 4.1 Overview Figure 4-1. Test Configuration 1. Figure 4-2. Test Configuration 2. Figure 4-3. Test Configuration 3. 4.2 Comprehensive Troubleshooting Procedure 17 Figure 4-4. Comprehensive troubleshooting flow chart (1 of 2). Comprehensive Troubleshooting Flow Chart Figure 4-4. Comprehensive troubleshooting flow chart (2 of 2). CHAPTER 4: Test Procedures 4.3 Check Power 20 Figure 4-5. Check power flow chart. 4.4 Check Loop CHECK POWER Page Figure 4-6. Check loop flow chart (1 of 3) 22 CHECK LOOP Figure 4-6. Check loop flow chart (2 of 3). B Figure 4-6. Check loop flow chart (3 of 3). B Page 26 4.5 Passive BusCheck Terminations Figure 4-7. Passive bus flow chart. PASSIVE BUS CONFIGURATION CHECK TERMINATIONS BRTS-100 should be in NORMAL mode Passive Bus Configuration Check Terminations Page Figure 4-8. Proper device terminations diagram. CHAPTER 4: Test Procedures 4.6 Pair Reversal Figure 4-9. Pair reversal flow chart (1 of 2). Figure 4-9. Pair reversal flow chart (2 of 2). Figure 4-10. Pair reversal diagram. CHAPTER 4: Test Procedures 4.7 Monitor 34 Figure 4-11. Monitor flow chart. Monitor Assumes CHAPTER 5: Technical Reference 5. Technical Reference Figure 5-1. Power source indicators. 5.1 Power-Source Indicators 5.2 Activation/Deactivation Modes Figure 5-2. Activation/deactivation procedure. CHAPTER 5: Technical Reference Figure 5-3. Info frames. Line Test/Transmit Receive Test Level Test D Activity Figure 5-5. D Activity. CHAPTER 5: Technical Reference Figure 5-6. CCITT 1.430. 5.3 AC Impedance 5.4 DC Continuity Figure 5-7. AC impedance. +- Figure 5-8. DC continuity. CHAPTER 5: Technical Reference 5.5 Speaker Figure 5-9. Two Test Set units used for tracing. Appendix: Maintenance Battery Replacement Figure A-1. Battery replacement diagram. APPENDIX: Maintenance 8-Pin Jack Replacement Figure A-2. Replacing the 8-Pin Jack Connector(s).