Black Box RJ-11 Manual
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Black Box RJ-11 Manual

Black Box RJ-11 Manual

Data broadcast unit
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APRIL 1999
TL159A
TL159AE
RJ-11 Data Broadcast Unit
D B - 8
P W R
C H 7 C H 8
C H 5 C H 6
H 3 C H 4
1 C H 2 C
C O M P C H
CUSTOMER
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
SUPPORT
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
INFORMATION
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com

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  • Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX SUPPORT FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 INFORMATION Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 RJ-11 DATA BROADCAST UNIT FEDERAL COMMUNICATIONS COMMISSION 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...
  • Page 3 RJ-11 DATA BROADCAST UNIT 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.
  • Page 4 RJ-11 DATA BROADCAST UNIT 11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como se indique en el aparato. 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada.
  • Page 5 RJ-11 DATA BROADCAST UNIT TRADEMARKS The trademarks mentioned in this manual are the sole property of their owners.

  • Page 6: Table Of Contents

    RJ-11 DATA BROADCAST UNIT CONTENTS 1. Specifications ............6 2.

  • Page 7: Specifications

    RJ-11 DATA BROADCAST UNIT 1. Specifications Enclosure — High-impact plastic Flow Control — Software only, transparent to speed and data Protocol — Asynchronous Speed — Transparent MTBF — 350,000 hours User Channels — 8 Interface — RS-232/V.24, composite port configured as DCE, slave ports configured as DTE Indicators —...

  • Page 8: Introduction

    2. Introduction 2.1 Description The RJ-11 Data Broadcast Unit receives an asynchronous signal from a master device and redistributes it to up to eight slave devices. You can use it, for example, to distribute a signal from a computer to eight different terminals. The unit takes the signal appearing at the composite connector (COMP), regenerates it, and distributes it to eight slave connectors (CH1–8).

  • Page 9: Installation

    1. Remove power from the terminal or computer that you wish to connect to the RJ-11 Data Broadcast Unit. 2. Connect the composite connector (labeled “COMP”) on the rear of the RJ-11 Data Broadcast Unit to the source of data (usually a modem, multiplexor, or computer port).

  • Page 10: Operation

    4. Operation 4.1 Pinning The RJ-11 Data Broadcast Unit supports three leads on each port connector: Transmit Data (TXD), Receive Data (RXD), and Signal Ground (SG) (see Tables 4-1 and 4-2). The Unit regenerates the TXD input that comes in on the composite (COMP) port and simultaneously sends it out on the TXD lead of each of the eight slave ports, channels 1 through 8.

  • Page 11: Indicators

    • The CH1 through CH8 LEDs indicate the state of each slave port’s RXD signal. These LEDs light whenever a “SPACE” is detected on its respective port. Figure 4-2 illustrates the front panel of the RJ-11 Data Broadcast Unit. D B - 8...

  • Page 12: Troubleshooting

    If the problem is corrected with the RJ-11 Data Broadcast Unit out of the circuit, inspect the unit closely for loose connections. If the unit is defective, you need to return the unit to Black Box for repair or replacement. Call Technical Support at 724-746-5500 for a return authorization number.
  • Page 13 If the outlet is not working, use a different outlet and have the bad outlet repaired. 3. Data Broadcast unit is defective. Call Black Box, then return the unit to Black Box for repair or replacement. No composite-channel data light 1.

  • Page 14: Appendix: Typical Pinning For General Applications

    There is no “standard” interface for serial data on an RJ-11 connector. For this reason, many of the devices that you can connect to the RJ-11 Data Broadcast Unit may require changing the pinning in order to function correctly. Included below are examples of typical pinning on some devices.
  • Page 15 RJ-11 DATA BROADCAST UNIT A.2 Composite “COMP” Port RJ-11 DB25 Figure A-3. Connecting a terminal, serial printer, or CPU communications port to the composite port. RJ-11 DB25 Figure A-4. Connecting a modem or a multiplex or channel port to the composite port.
  • Page 16 © Copyright 1999. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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