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Black Box PI126A - page 1
1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 2001. Black Box Corporation. All rights reserved. ...
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Black Box PI126A - page 2
JUNE 2001 PI125A-R2 PI126A Serial ↔ Parallel Converter IV Serial ↔ Parallel Converter for HP ® DeskJet ® Printers CUSTOMER SUPPORT INFORMATION Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mail order: Black Box C ...
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Black Box PI126A - page 3
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Black Box PI126A - page 4
T rademarks Used In This Manual Black Box and the logo are registered trademarks of Black Box Corporation. Centronics is a registered trademark of GENICOM Corporation. DeskJet and HP are registered trademarks of Hewlett- Packard. IBM is a registered trademark of IBM Corporation. Any other trademarks mentioned in this manual are acknowledged to be t ...
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Black Box PI126A - page 5
2 SERIAL ↔ PARALLEL CONVERTERS 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 communicat ...
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Black Box PI126A - page 6
3 NOM STATEMENT 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 e ...
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Black Box PI126A - page 7
4 SERIAL ↔ PARALLEL CONVERTERS 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 operació ...
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Black Box PI126A - page 8
5 Contents 1. Specifications ..............................................................6 2. Introduction ................................................................8 2.1 Description ..........................................................8 2.2 Features ................................................................8 3. Configuration and ...
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Black Box PI126A - page 9
6 SERIAL ↔ PARALLEL CONVERTERS 1. Specifications Data Rates — 300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400 bps Indicators — LED displays status and operating condition Interface — EIA RS-232 async serial (autosensing DTE/DCE) and IBM PC parallel Connectors — (1) DB25M, (1) DB25F Data Format — 7 or 8 bits; 1 or 2 stop bits; even, odd ...
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Black Box PI126A - page 10
7 CHAPTER 1: Specifications Size — 3.4"H x 1.3"W x 0.8"D (8.7 x 3.3 x 2 cm) Weight — 2 oz. (57 g) ...
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Black Box PI126A - page 11
8 SERIAL ↔ PARALLEL CONVERTERS 2. Introduction 2.1 Description The Serial ↔ Parallel Converters automatically convert RS-232 serial data to parallel data format and vice versa, in one direction at a time. Incorporating advanced microprocessor technology, they are able to automati- cally sense and select parallel and serial modes, as well as DCE ...
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Black Box PI126A - page 12
9 CHAPTER 2: Introduction 2.2 Features • Converts parallel data to serial data and vice versa. • Automatically selects parallel-to-serial and serial-to-parallel operation. • Automatically selects DCE/DTE modes. • Serial data rates to 38,400 bps. • No AC power required. • Supports both software and hardware flow control. • A five-state ...
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Black Box PI126A - page 13
10 SERIAL ↔ PARALLEL CONVERTERS 3. Configuration and Installation The Converter is simple to install and extremely reliable. The following instructions will help you set up and install your converter properly. If you have any questions, please call Black Box Technical Support at 724-746-5500. 3.1 Configuration Switches The Converters each use a s ...
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Black Box PI126A - page 14
11 CHAPTER 3: Configuration and Installation Figure 3-1. The location of the configuration switches. Figure 3-2. The miniature configuration switch package. 1 2 3 4 5 6 7 8 OFF DHS-8 ...
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Black Box PI126A - page 15
12 SERIAL ↔ PARALLEL CONVERTERS The Converters use a miniature configuration switch package. To configure your 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 . Default settings (noted with an asterisk) for the DIP switches are shown in the table on the following pa ...
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Black Box PI126A - page 16
13 CHAPTER 3: Configuration and Installation Position 12 3 4 5 6 78 Flow Control Hardware OFF* Software ON LED Enabled ON* Disabled OFF Parity/D. Bits/ S. Bit None/8/1 OFF OFF OFF* Odd/8/1 ON OFF OFF Even/8/1 OFF ON OFF None/7/2 ON OFF ON Odd/7/2 ON ON OFF Even/7/2 OFF OFF ON Odd/7/1 OFF ON ON Even/7/1 ON ON ON D. Rate (bps) 300 OFF OFF ON 600 ON O ...
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Black Box PI126A - page 17
14 SERIAL ↔ PARALLEL CONVERTERS 3.2 Installation The Converter is very simple to install. Once you have configured the DIP switches, just plug your Converter into a standard cable and you’re ready to go. Figure 3-3 shows the proper connections. Figure 3-3. Typical installation. ...
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Black Box PI126A - page 18
15 CHAPTER 4: Reading the LED 4. Reading the LED 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 indicates data activity by blinking. When the Co ...
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Black Box PI126A - page 19
16 SERIAL ↔ PARALLEL CONVERTERS 5. T roubleshooting If your Serial ↔ Parallel Converter seems to be malfunc- tioning, do not attempt to alter or repair the unit. Contact Black Box Technical Support at 724-746-5500. Before you do so, make a record of the history of the problem. We will be able to provide more efficient and accurate assistance if ...
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Black Box PI126A - page 20
NOTES ...
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Black Box PI126A - page 21
NOTES ...
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