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© Copyright 2001. Black Box Corporation. All rights reserved.
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746

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Summary of Contents for Black Box PI080A-R2

  • Page 1 © Copyright 2001. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
  • Page 2 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...
  • Page 4 FCC INFORMATION 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 J of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference...
  • Page 5 SERIAL↔PARALLEL CONVERTER (38.4 kbps) 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 6 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.
  • Page 7 SERIAL↔PARALLEL CONVERTER (38.4 kbps) Trademarks Used in This Manual Centronics is a registered trademark of Centronics Corporation. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners. CE Notice symbol on your Serial↔Parallel Converter (38.4 kbps) indicates that it is in compliance with the Electromagnetic Compatibility (EMC) directive and the Low Voltage Directive (LVD) of the Union European...
  • Page 8: Table Of Contents

    CONTENTS Contents Chapter Page 1. Specifications ......6 2. Introduction ......8 2.1 Description .
  • Page 9: Specifications

    SERIAL↔PARALLEL CONVERTER (38.4 kbps) 1. Specifications Asynchronous, RS-232C Serial Interface: compatible, DB25 female; DCE/DTE auto-sensing Serial Data Rates: 300, 600, 1200, 2400, 4800, 9600, 19,200, or 38,400 bps 7 or 8 data bits, 1 or 2 stop Data Format: bits (switch-selectable) Parity: Enable/disable, even/odd (switch-selectable)
  • Page 10 CHAPTER 1: Specifications Uses power from RS-232C Power: interface; no external power required Size: 2.6"H x 1.3"W x 0.8"D (6.6 x 3.3 x 2 cm) 2 oz. (57 g) Weight:...
  • Page 11: Introduction

    SERIAL↔PARALLEL CONVERTER (38.4 kbps) 2. Introduction 2.1 Description The Serial↔Parallel Converter (38.4 kbps) converts RS-232C serial data to parallel data and vice versa. Incorporating advanced microprocessor technology, the Converter automatically senses and selects parallel and serial modes, as well as DTE/DCE modes. The Converter requires no AC power and supports serial data rates from 300 to 38,400 bps.
  • Page 12 CHAPTER 2: Introduction • Automatic DCE/DTE sensing and selection. • Built-in 1-kbit buffer prevents data loss. • Serial data rates up to 38,400 bps. • No AC power required. • Supports both software and hardware flow control. • Ultra-miniature size. •...
  • Page 13: Configuration

    SERIAL↔PARALLEL CONVERTER (38.4 kbps) 3. Configuration 3.1 Configuration Switches The Serial↔Parallel Converter (38.4 kbps) uses a set of eight external DIP switches (see Figure 3-1) that allow configuration to a wide range of applications. Because all eight switches are in one externally accessible DIP- switch package, you don’t have to open the case for configuration.
  • Page 14 CHAPTER 3: Configuration The Converter uses a miniature 8-position DIP switch package (see Figure 3-2). To configure the unit, use a small screwdriver and gently push each switch to its proper setting. The ON and OFF positions are shown in Figure 3-2.
  • Page 15: Detailed Switch Settings

    SERIAL↔PARALLEL CONVERTER (38.4 kbps) Table 3-1. DIP switch summary table. Position Function Factory Default Flow Control OFF Hardware LED Indicator Enabled Data, Parity, Stop Bits Data, Parity, Stop Bits 8B*, NP**, 1S*** Data, Parity, Stop Bits Data Rate Data Rate 9600 bps Data Rate 3.2 Detailed Switch Settings...
  • Page 16 CHAPTER 3: Configuration 2: LED I WITCH NDICATOR The setting for Switch 2 determines whether the LED indicator is enabled or disabled. Table 3-3. SW2 settings. Enabled Disabled 5: D WITCHES THROUGH ARITY Switches 3 through 5 are used to specify the data, parity, and stop bits.
  • Page 17 SERIAL↔PARALLEL CONVERTER (38.4 kbps) 8: F WITCHES THROUGH REQUENCY AND Switches 6 through 7 determine the frequency and data rate. Table 3-5 shows the settings that may be used. Table 3-5. SW6 through SW8 settings. Data Rate 1200 2400 4800 9600 19,200 38,400...
  • Page 18: Installation

    DIP switches, just plug it in and you’re ready to go. Figure 4-1 illustrates the proper connections for the standard cables. If you have a non-standard connector on your printer or PC, call Black Box Technical Support at 724-746-5500. Serial ↔ Parallel...
  • Page 19: Operation

    SERIAL↔PARALLEL CONVERTER (38.4 kbps) 5. Operation Once your Converter is properly configured and installed, it should operate transparently—as if it were a standard cable connection. Operating power is derived from the RS-232 data and control signals; there is no ON/OFF switch. The Converter features an easy-to-read status LED that glows red to indicate the condition of the transmission line.
  • Page 20 CHAPTER 5: Operation Table 5-2. LED Codes. • • - • ––– • • – • ––– Computer is sending data. • ––– • ––– • –––– Serial device is connected; computer is not sending data. • • ––– • • ––– Both serial and parallel devices are connected;...
  • Page 21: Appendix A: Port Connections

    SERIAL↔PARALLEL CONVERTER (38.4 kbps) Appendix A. Port Connections A.1 36-Pin Centronics Parallel Port Connections Description Direction Strobe Output Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Data bit 6 Data bit 7 Acknowledge Input (active low) Busy...
  • Page 22: Db25 Serial Port Connections

    APPENDIX A: Port Connections A.2 DB25 Serial Port Connections Name Description Connected to pin 7 with optional jumper. Serial Transmit Data; also used as a power source. Serial Receive Data; also used as a power source. Request to Send; also used as a power source.
  • Page 23: Appendix B: Block Diagram

    SERIAL↔PARALLEL CONVERTER (38.4 kbps) Appendix B. Block Diagram 100K PULL UP NETWORK DATA BIT 1 DATA BIT 2 DATA BIT 3 DCE/DTE DATA BIT 4 PARALLEL DETECTOR DATA BIT 5 DATA BIT 6 DATA BIT 7 DATA BIT 8 STROBE ACKNOWLEDGE SERIAL BUSY...

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