Introduction, Chapter Number, Description

DVD-V5000 DVD Player

RS-232 Command Protocol

1.INTRODUCTION

This document defines the RS-232C command protocol for the Pioneer DVD-V5000 Industrial DVD Player.

The DVD-V5000 is capable of playing DVD, CD and VCD discs. The device has three control methods, front panel, remote control or computer interface through the RS-232C serial port.

This manual addresses the various commands and precautions required when using the Pioneer DVD-V5000 player with a computer. Please refer to the DVD-V5000 Operating Instructions for details on operating the unit via the front panel and/or remote control.

	Chapter Number	Description
	Chapter 2	describes the Interface Connector Specifications and the
	Chapter 2	computer control features of the DVD-V5000
		computer control features of the DVD-V5000
	Chapter 3	discusses Baud Rate Settings, Interface Operation, Control
	Chapter 3	Protocol, and Internal Operation via computer
		Protocol, and Internal Operation via computer
	Chapter 4	explains the Player Command Structure in detail
	Chapter 5	reviews each command in detail
	Chapter 6	defines Address and Player Condition requests
	Chapter 7	relates to the various operating modes
	Chapter 8	discusses the internal registers
	Chapter 9	details the extend terminal control functions

CAUTION: The material in this manual is subject to change without notice.

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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.