Pioneer RS-232C specification

This manual is copyrighted with all rights reserved. No part of this document may be reprinted, produced, translated or utilized in any form or by any means now known or hereafter invented including, but not limited to, any electronic, mechanical, photocopying and recording or information storage and retrieval system means, without the express written permission from Pioneer New Media Technologies, Inc.

Every effort has been made to ensure that the information in this manual is accurate. Pioneer is not responsible for printing or clerical errors.

Information in this document is subject to change without notice.

Document No. DVDV7200RS002-0398

Printed in the United States of America.

Mention of third-party products is for informational purposes only and contributes neither an endorsement nor a recommendation. Pioneer assumes no responsibility with regard to the performance or use of these products.

No investigation has been made of common-law trademark rights in any word. Words that are known to have current registrations are shown with an initial capital. Many, if not all, hardware and/or software products referenced in this manual are identified by their trade names. Most, if not all, of these designations are claimed a legally protected trademarks by the companies that make the product. It is not Pioneer's intent to use any of these names generically and cautions the reader to investigate any claimed trademark before using it for any purpose other than to refer to the product to which the trademark is attached.

Pioneer makes no warranty of any kind, expressed or implied, about the contents of this manual, the merchantability of the product or the product's fitness for any particular purpose.

Every precaution has been taken in the preparation of this manual. Although we tried to thoroughly check that all instructions and information in this manual are accurate and correct, Pioneer can not be and is not responsible, in whole or in part, for any damage or loss to your data and/or equipment that results from your use of this document or from any information contained herein including, but not limited to, any errors, omissions or typos that may have resulted in an incorrect operation or installation.

RS-232C specifications

The Pioneer RS-232C is a significant component in the realm of communication technology, especially known for its application in serial communications. Initially introduced in the 1960s as part of the EIA-232 standard, RS-232C has evolved through various iterations to become a foundational interface for connecting data communication equipment (DCE) with data terminal equipment (DTE). This article outlines its main features, technologies, and characteristics.

One of the hallmark features of RS-232C is its ability to facilitate point-to-point communication. It allows for a direct link between two devices, making it suitable for a variety of applications, including modems, printers, computers, and other peripherals. The RS-232C interface typically uses a 25-pin connector, although a 9-pin variant is also common in many modern devices. This interface is based on serial communications, where bits are sent sequentially over a single channel, leveraging fewer wires compared to parallel communication methods.

In terms of technology, RS-232C operates primarily at voltage levels of +12V to -12V, which provide the necessary signaling for data transmission. The standard supports baud rates ranging from 300 to 115200 bps, accommodating various data transfer speeds depending on the needs of the hardware involved. RS-232C defines various electrical characteristics and timing requirements, ensuring robust performance over relatively short distances, typically up to 15 meters, depending on the baud rate.

Another essential aspect of the RS-232C standard is its use of asynchronous communication, allowing devices to transmit data without having to synchronize their clocks. Each data packet typically consists of a start bit, a predefined number of data bits (usually 7 or 8), an optional parity bit for error-checking, and one or more stop bits. This method allows for error detection and ensures data integrity during transmission.

Despite its age, the RS-232C interface remains relevant, especially in industrial applications, instrumentation, and legacy systems. Its simplicity, low cost, and widespread acceptance make it a versatile choice for connecting various devices, even in a world increasingly dominated by USB and other modern interfaces.

In conclusion, the Pioneer RS-232C is a remarkable testament to the enduring nature of serial communication technology. Its straightforward design, reliability, and ease of integration continue to make it a staple in numerous applications, underscoring its significance in the landscape of data communication.