Black Box RS-232 Manual De Instrucciones
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Black Box RS-232 Manual De Instrucciones

Black Box RS-232 Manual De Instrucciones

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High-Speed RS-232 to X.21 Converters
DCE to DTE and DTE to DCE
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
JULY 1999
IC949A
IC950A

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  • Página 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...

  • Página 2: Fcc Statement

    FCC STATEMENT 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 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, which are designed to provide reasonable protection against such interference...

  • Página 3: Instrucciones De Seguridad

    HIGH-SPEED RS-232 TO X.21 CONVERTERS 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.

  • Página 4: Nom Statement

    NOM STATEMENT 10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros aparatos (incluyendo amplificadores) que producen calor. 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.

  • Página 5: Trademarks Used In This Manual

    HIGH-SPEED RS-232 TO X.21 CONVERTERS TRADEMARKS USED IN THIS MANUAL Any trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

  • Página 6: Tabla De Contenido

    CONTENTS Contents Chapter Page 1. Specifications ....... 6 2. Introduction ....... . 8 2.1 Description .

  • Página 7: Specifications

    Clocking—Set by connected DCE devices Connectors—IC949A: (1) DB25 male on RS-232 side, (1) DB15 male on X.21 side; IC950A: (1) DB25 male on RS-232 side, (1) DB15 male on X.21 side Temperature—32 to 140°F (0 to 60°C) Altitude—Up to 15,000 feet (up to 5,000 m) Humidity—5 to 95%, non-condensing...
  • Página 8 CHAPTER 1: Specifications Size—IC949A: 0.8"H x 2.1"W x 3.6"D (2 x 5.3 x 9.2 cm); IC950A: 0.7"H x 2.1"W x 2.7"D (1.9 x 5.3 x 6.8 cm) Weight—14 oz. (397 g), including cable and connectors...

  • Página 9: Introduction

    The Converter connects directly to the synchronous RS-232 interface via a male DB25 connector. A male DB15 connector at the end of an integral 6-ft. (1.8-m) cable plugs into the X.21 interface. In most cases, this...

  • Página 10: Features

    CHAPTER 2: Introduction in an ultra-miniature case, the Converter fits easily into tight locations. 2.2 Features • Bi-directionally converts synchronous RS-232 to X.21 • Data rates to 384 kbps, full- or half-duplex • Transparent to protocol • No AC power or batteries required •...

  • Página 11: Installation

    Converter into the proper device ports. Figure 3-1 illustrates how to properly connect an RS-232 DCE to an X.21 DTE using the IC949A converter. Figure 3-1. RS-232 Sync Modem Connected to X.21 Host using IC949A.
  • Página 12 CHAPTER 3: Installation To connect an RS-232 DTE to and X.21 DCE, use the model IC950A, as shown in Figure 3-2. Figure 3-2. Sync Terminal Connected to X.21 Modem using IC950A.

  • Página 13: Appendix A: Interface Standards

    HIGH-SPEED RS-232 TO X.21 CONVERTERS Appendix A: Interface Standards —1-(FG) Frame Ground 14— —2-(TD) Transmit Data Transmit Clock-15— —3-(RD) Receive Data 16— —4-(RTS) Request to Send Receive Clock-17— —5-(CTS) Clear to Send 18— —6-(DSR) Data Set Ready 19— —7-(SG) Signal Ground Data Terminal Ready (DTR)-20—...
  • Página 14 APPENDIX A: Interface Standards —1-Frame Ground Transmit-B-9— —2-Transmit-A Control-B-10— —3-Control-A Receive-B-11— —4-Receive-A Indication-B-12— —5-Indication-A Signal Timing-13— —6-Signal Timing-A 14— —7 15— —8-Signal Ground Figure A-2. X.21 Interface.

  • Página 15: Appendix B: Block Diagrams

    HIGH-SPEED RS-232 TO X.21 CONVERTERS Appendix B: Block Diagrams Figure B-1. IC949A Block Diagram.
  • Página 16 APPENDIX B: Block Diagrams Figure B-2. IC950A Block Diagram.
  • Página 17 © 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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