Dell RS232 manual March

Page 6

Write

Dynamic Aperture

0xefbe

0x10

0x0005 0xffaa

0x1111

0x0002

0x91

Read

 

 

 

 

 

 

0x01: Dynamic

0x02: Static

0x03: Auto

0x00: Off

0x01: Dynamic

0x02: Static

0x03: Auto

0x01: VGA-A

0x02: VGA-B

0x03: HDMI-A

PIP Second Source Write

PIP Second Source Read

PIP Layout Write

PIP Layout Read

PIP Size Write

PIP Size Read

System Status

 

0xefbe

 

0x10

 

0x0005

 

0x5b5b

 

0x1111

 

0x0002

 

0x92

 

 

 

 

0xefbe

 

0x10

 

0x0005

 

0x7e6b

 

0x1111

 

0x0002

 

0x93

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0xefbe

 

0x10

 

0x0005

 

0xdb59

 

0x1111

 

0x0002

 

0x94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0xefbe

 

0x10

 

0x0005

 

0xfe69

 

0x1111

 

0x0002

 

0x95

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0xefbe

 

0x10

 

0x0005

 

0x5a98

 

0x1111

 

0x0002

 

0x96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0xefbe

 

0x10

 

0x0005

 

0x7fa8

 

0x1111

 

0x0002

 

0x97

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0xefbe

 

0x10

 

0x0005

 

0x7e46

 

0x1111

 

0x0001

 

0xff

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x04: S-Video

0x05: Composite

0x07: Wireless Display

0x10: HDMI-B

0x11: RCA Component

0x01: VGA-A

0x02: VGA-B

0x03: HDMI-A

0x04: S-Video

0x05: Composite

0x07: Wireless Display

0x10: HDMI-B

0x11: RCA Component

0x00: Top Left

0x01: Top Right

0x02: Bottom Left

0x03: Bottom Right

0x00: Top Left

0x01: Top Right

0x02: Bottom Left

0x03: Bottom Right

0x00: Small

0x01: Mid

0x02: Large

0x03: half

0x00: Small

0x01: Mid

0x02: Large

0x03: half

0x01: Standby

0x02: Warm Up

0x03: Power On

0x04: Cooling

0x05: Power Saving

Note 2: After power on the projector, wait for 5 seconds before sending next command.

Note 3: The range will depend on VGA input resolution.

Note 4: If sending multiple commands, check that a response has been received from the projector before sending next command.

Information in this document is subject to change without notice. © 2012 Dell Inc. All rights reserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

March 2012

Rev. A00

Image 6
Contents RS232 Protocol Communication Settings Command TypesProjector Response Message Table Projector Response System StatusControl Commands List Page Page March

RS232 specifications

Dell RS232 interfaces represent a classic yet essential technology in the realm of computer connectivity. RS232, or Recommended Standard 232, is a standard for serial communication that has been in use since the 1960s, designed primarily for connecting computers to peripheral devices like modems, printers, and data acquisition systems. Dell, as a leading technology provider, has incorporated RS232 into many of its systems, catering to various industrial and commercial needs.

One of the main features of Dell RS232 interfaces is their simplicity and reliability. The protocol allows for point-to-point communication, making it easy to establish a direct link between two devices. With a maximum cable length of up to 50 feet (15 meters), RS232 connections are particularly beneficial in environments where devices are physically separated. This attribute is crucial for usage in industrial settings where machines often operate over larger distances.

In terms of technology, Dell's RS232 implementations typically operate at standard transmission speeds ranging from 300 to 115,200 bits per second. This versatility ensures compatibility with a broad spectrum of devices, enhancing operational flexibility. Furthermore, RS232 supports various data formats, including 7 or 8 data bits, one or two stop bits, and parity options, allowing users to tailor communication settings according to specific requirements.

The physical characteristics of RS232 ports include the familiar DB9 and DB25 connectors. These connectors feature pins that correspond to specific functions, such as transmission and reception of data, ground references, and control signals. Dell ensures robust design and construction of these ports, catering to the demands of both consumer and industrial applications.

In addition to being a reliable communication protocol, RS232 also provides a certain degree of error checking, enhancing data integrity. Control signals like RTS (Request to Send) and CTS (Clear to Send) assist in managing the data flow, ensuring that devices operate smoothly without data loss.

Although newer technologies like USB and Ethernet have gained prominence, RS232 remains a mainstay due to its legacy support and integration in industrial equipment. Dell RS232 interfaces continue to play a vital role in many legacy systems, ensuring that critical devices remain operable and easily connected. In conclusion, Dell RS232 technology embodies a blend of simplicity, reliability, and adaptability, making it a valuable component in the diverse landscape of hardware connectivity.