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TEST STATUS POWER
PINS 7-8
PHANTOM
PASS FAIL AUX
LINE RECEIVE
TEST
LEVEL -6dB
TRANSMIT
“D” ACTIVITY
GRN “1” RED “0”
IMPEDANCE
TRACE
CONTINUITY
TONE
INITIATE
BRTS-100 LINE
ISDN Test Set
REV NORM
SPEAKER
TERMINATE
100 OHM
OFF ON
POWER
ON OFF
18 18
A B
OCTOBER 1994
TS675A
BRTS-100 ISDN Test Set
CUSTOMER
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
SUPPORT
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
INFORMATION Mailin
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FCC STATEMENT FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio-frequency energy, and if not installed and used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio communication. It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules, whi
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BRTS-100 ISDN TEST SET NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura. 3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser respetadas. 4. Todas las instrucciones de operación y uso deben ser seguidas. 5. El
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NOM STATEMENT 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del aparato. 14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del fabricante. 15. En caso de existir, una antena ext
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BRTS-100 ISDN TEST SET TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners. 4
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CONTENTS Contents Chapter Page 1.Specifications .....................................................................................................2 2.Introduction.......................................................................................................3 2.1 Overview .......................................................................................................3 2.2 How to Use This Manual .............................................................................3 2.3 Fe
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BRTS-100 ISDN TEST SET 1. Specifications Input/Output — (2) modular 8-pin jacks (included) ISDN Interface — S/T Line Type — ISDN BRI Nominal Data Rate — 192 kbps Power — 9-VDC battery Size — 7.3"H x 3.3"W x 1.1"D (18.5 x 8.3 x 2.8 cm) Weight — 11 oz. (311.8 g) 6
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CHAPTER 2: Introduction 2. Introduction 2.1 Overview The BRTS-100 ISDN Test Set is a portable, hand-held, communication-line tester that helps you troubleshoot and verify ISDN S/T interface lines (see Figure 2-1). The Test Set supports a variety of comprehensive tests designed to help telephone and ISDN craft technicians isolate line problems. 2.2 How to Use This Manual This manual is written for the user who wants a quick guide for troubleshooting—and for the more technical user who wants to u
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TEST STATUS POWER PINS 7-8 PASS FAIL PHANTOM AUX LINE RECEIVE TEST LEVEL -6dB TRANSMIT “D” ACTIVITY GRN “1” RED “0” IMPEDANCE TRACE TONE CONTINUITY INITIATE LINE BRTS-100 ISDN Test Set REV NORM SPEAKER TERMINATE 100 OHM OFF ON POWER ON OFF 18 18 A B BRTS-100 ISDN TEST SET Figure 2-1. The BRTS-100 ISDN Test Set. 2.3 Features This compact, rugged ISDN S/T interface line test set provides many essential diagnostic functions. It’s easy to use, too, requiring very little knowledge about complex ISD
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CHAPTER 3: Operation 3. Operation 3.1 Overview You can operate the BRTS-100 ISDN Test Set in a variety of modes. Select them by turning the selector dial on the left of the unit (see Figure 3-1). The indicator lights (LEDs) on top of the unit indicate test results. The various test modes and indicator lights are explained in more detail below. 3.2 Connecting the Unit In the shipping box, you’ll find: • The BRTS-100 ISDN Test Set. • (1) 9-volt battery. • An RJ-45-to-RJ-45 cable. • (4) RJ-45-to
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TEST STATUS POWER PINS 7-8 PASS FAIL PHANTOM AUX LINE RECEIVE TEST LEVEL -6dB TRANSMIT “D” ACTIVITY GRN “1” RED “0” IMPEDANCE TRACE TONE CONTINUITY INITIATE BRTS-100 LINE ISDN Test Set REV NORM SPEAKER TERMINATE 100 OHM OFF ON POWER ON OFF 18 18 B A BRTS-100 ISDN TEST SET INDICATOR LEDS I/O PORTS A & B (8-PIN CONNECTORS) TEST MODE SELECT DIAL SPEAKER INDICATOR LED FEATURE BUTTONS Figure 3-1. BRTS-100 ISDN Test Set controls and indicators. 10
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18 18 A B 18 18 A B CHAPTER 3: Operation TO NT1 TERMINAL BRTS-100 ISDN TEST UNIT PASSIVE BUS TO NT1 BRTS-100 ISDN TEST UNIT POINT-TO-POINT Figure 3-2. Connecting the Test Set for point-to-point or passive-bus configurations. 11
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BRTS-100 ISDN TEST SET To connect the Test Set in a point-to-point configuration, simply connect the 8-pin plug to either the A or B port located on top of the unit. To connect the Test Set in a passive bus configuration, connect the line from the NT1 to either the A or B port, and connect the termi-nal to the other port. The ports are parallel, so they can be used interchangeably (see Figure 3-2). 3.3 Powering Up the Unit Power up the Test Set up by depressing the POWER feature button (Figure
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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
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BRTS-100 ISDN TEST SET 4. Test Procedures 4.1 Overview This chapter gives you several suggested test procedures. However, it is by no means the only way to use the Test Set to isolate trouble or to verify lines. NOTE: The following procedures assume certain conditions exist (that procedures are followed in the correct order.) These conditions are described at the beginning of each procedure. TEST CONFIGURATIONS Test Configuration 1 — Point-to-Point — NT1 (Figure 4-1) To put the circuit in the
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CHAPTER 4: Test Procedures NT1 TERMINAL BRTS-100 UNIT UNDER TEST Figure 4-2. Test Configuration 2. Test Configuration 2 — Passive Bus (Figure 4-2) To put the terminal in the Passive Bus Test Configuration: 1. Disconnect the terminal. NOTE: With a passive bus, the S/T interface may disrupt the operation of the other devices on the bus. 2. Connect the S/T jack to Port B of the Test Set. 3. Connect the terminal to Port A of the Test Set. 4. The Test Set should be unter-minated; the TERMINATE butt
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BRTS-100 ISDN TEST SET 4.2 Comprehensive Troubleshooting Procedure This troubleshooting guide is for the user who is either installing a new line and wants to verify the S/T interface, or has a problem with an in-service ISDN terminal. It is a comprehensive procedure which uses virtually all of the Test Set’s testing capabilities and features. This Procedure uses other test procedures outlined in this section. If you identify a problem at any point in this procedure, stop the test and fix the p
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CHAPTER 4: Test Procedures 12. Put the circuit into its normal operating configuration. (Connect all terminals to the S/T interface.) START Comprehensive Troubleshooting Flow Chart Initially, the Test Set should be in NORMAL mode PUT CIRCUIT IN POINT TO POINT CONFIGURATION (CONFIG. 1) CHECK POWER LINE TEST INITIATE NO GRN GOOD LINE, DOES RED TERMINAL SHOULD TEST RESULT? LIGHT FLASH? WORK RED YES PROBLEM CHECK LOOP COULD BE PUT CIRCUIT JITTER IN NT1, BACK TOGETHER OR NOISE ON LINE DONE YES TERM
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BRTS-100 ISDN TEST SET 13. a. If the terminal works, there’s no need to proceed any further. b. If the terminal does not work, proceed to step 14. 14. Perform the PAIR REVERSAL test procedure (see page 22). 15. Put the circuit into its normal operating configuration. (Connect all terminals to the S/T interface.) 16. a. If the terminal works, there’s no need to proceed any further. b. If the terminal does not work, proceed to step 17. 17. At this point, you’ve determined that there’s nothing wro
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CHAPTER 4: Test Procedures 4.3 Check Power Some (not all) ISDN terminals require power from the S/T interface. This procedure verifies that power is received properly at the S/T interface. See Figure 4-5 for an outline of the functions performed in this test. 1. Put the circuit in Test Configuration 1. 2. Make sure the Test Set is in NORMal mode; LINE button should be out. 3. If the terminal requires Phantom Power (see terminal user guide) use the following table: Phantom Conclusion Light Gree
