4.COMMAND STRUCTURE

DVD-V5000 DVD Player

RS-232 Command Protocol

4.COMMAND STRUCTURE

The DVD-V5000 supports the commands listed below.

COMMAND

 

 

Name

Mnemonic

Open

 

OP

Close

 

CO

Reject

 

RJ

Start

 

SA

Play

(adrs)

PL

Pause

 

PA

Still

 

ST

Step Forward

 

SF

Step Reverse

 

SR

Scan Forward

 

NF

Scan Reverse

 

NR

Scan Stop

 

NS

Multi-Speed Forward

(adrs)

MF

Multi-Speed Reverse

(adrs)

MR

Speed

arg

SP

Search

adrs

SE

Search & Play

adrs

SL

Stop Marker

adrs

SM

Lead Out Symbol

 

LO

Clear

 

CL

Frame

 

FR

Time

 

TM

Chapter

 

CH

Title

 

TI

Track

 

TR

Select Subtitle

arg

SU

Select Audio

arg

AU

Select Aspect

arg

AP

Select Angle

arg

AG

Select Parental-Level

arg

PT

Audio Control

arg

AD

Video Control

arg

VD

Display Control

arg

DS

Keylock

arg

KL

Stack Group Set

arg

GP

Barcode / Command Stack Play

arg

BS

Command Stack Data Upload

 

BU

Command Stack Data Download

 

BD

Block Number

 

BK

Index

 

IX

 

 

 

SUPPORTING FORMATS

DVD

CD

VCD

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 

X

X

 

X

X

 

 

X

X

X

X

X

X

X

X

X

X

 

X

X

 

 

X

 

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

 

 

X

X

X

X

 

 

X

 

 

X

X

X

 

 

X

 

 

X

 

 

X

 

 

X

 

 

X

X

X

X

X

X

X

X

X

X

X

X

X

 

 

X

 

 

X

X

X

X

X

X

 

X

 

 

X

 

 

 

 

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Pioneer RS-232C manual Command Structure, Name, Mnemonic, Supporting Formats
Page 15 Page 17

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.
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