Appendix

Specifications

Video input

Number/signal type

1 RGBS, RGBcvS

 

1 component video (Y, R-Y, B-Y), S-video, composite video

 

1 SDI (optional)

 

1 S-video

 

1 composite video

Connectors

1 15-pin HD female (RGB)

 

3 BNC female (component video, S-video, composite video)

 

1 BNC female (optional SDI)

 

1 4-pin mini-DIN female (S-video)

 

1 BNC female (composite video)

Minimum/maximum levels

Analog 0.0V to 1.0V p-p with no offset

Impedance

75 ohms

Horizontal frequency

15.6 kHz to 17.75 kHz

Vertical frequency

50 Hz to 60 Hz

Return loss

-30dB @ 5 MHz

Video processing

Decoder

9 bit digital

Digital sampling

24 bit, 8 bits per color; 13.5 MHz standard

Colors

16.78 million

Video output

Number/signal type

2 decoded RGBHV, RGBS, RGsB, or component video

Connectors

6 BNC female, 1 15-pin HD female

Minimum/maximum levels

0.0V to 0.7V p-p

Impedance

75 ohms

Vertical frequency

50 Hz to 60 Hz

Sync

Input type

RGBS, RGBcvS

Output type

RGBHV, RGBS, RGsB, component video

Standards

NTSC 3.58, NTSC 4.43, PAL, SECAM

Input level

RGB, 0V to 5.0V p-p

 

RGBcvS, 0V to 1.0V p-p

Output level

TTL

5.0V p-p

Input impedance

75 ohms

 

Output impedance

75 ohms

 

Max input voltage

5.0V p-p

 

Max. propagation delay

20 ns

 

Polarity

Positive or negative (switch-selectable)

Control/remote — decoder

Serial control port

RS-232, 9-pin female D connector

Baud rate and protocol

9600, 8-bit, 1 stop bit, no parity

Serial control pin configurations

1 = input 1 select, 2 = TX, 3 = RX, 4 = input 2 select, 5 = GND, 6 = input 3

 

select,

 

7 = input 4 select

Contact closure

9-pin female D connector (same as RS-232 connector)

Contact closure pin configurations

See pins 1, 4, 6, and 7 above.

IR controller module

IR 901

A-2 QSD 204 • Appendix

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Extron electronic QSD 204 D manual Specifications, QSD 204 Appendix

QSD 204, QSD 204 D specifications

Extron Electronics has established itself as a leader in professional AV technology, and the QSD 204 series is a testament to this innovation. The QSD 204 and QSD 204 D are powerful presentation switchers designed for seamless connectivity and enhanced video performance in various AV applications.

One of the main features of the QSD 204 is its capability to switch up to four input signals to a single output, providing flexibility in managing multiple sources. This is particularly beneficial in conference rooms, educational institutions, and event spaces, where different content sources need to be showcased efficiently. The switcher's compact design ensures it can fit easily into any AV setup without taking up excessive space.

The QSD 204 is equipped with Extron's renowned video processing technology, ensuring high-quality signal transmission with minimal distortion. It supports various video formats, including SD, HD, and even UHD signals, up to 4K resolution, accommodating a wide range of devices, from legacy equipment to modern sources. The automatic input signal scaling feature also allows for a hassle-free experience, as it adjusts the input resolution to match the output requirements, eliminating resolution mismatch issues.

Another hallmark of the QSD 204 series is its robust integration capabilities. The QSD 204 and QSD 204 D come with various control options, including RS-232 and Ethernet, facilitating easy integration into larger control systems. This feature is pivotal in environments where centralized control is necessary, enabling seamless operation through an intuitive user interface.

Moreover, the QSD 204 D variant provides additional features such as built-in audio de-embedding. This functionality allows users to extract audio signals from the video stream for independent processing or amplification. This is especially useful in professional settings where audio clarity is as crucial as video quality.

The QSD 204 and QSD 204 D are designed with reliability in mind, featuring redundant power supply options for critical AV environments. In addition, they come with Extron's industry-leading support and warranty, ensuring that users have access to top-notch customer service and backup.

With their combination of advanced technology, robust functionality, and exceptional reliability, the Extron QSD 204 and QSD 204 D are ideal solutions for any professional AV setup, delivering high performance and ease of use across a variety of applications. Whether it's for corporate settings, educational institutions, or live events, these presentation switchers are geared to meet the demands of modern AV integration.