QSC Audio DSP-3 manual Appendix- DataPort Pinout, Data Port Pinout, Description of Encode Signals

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Section 5: Appendix- DataPort Pinout

DATA PORT PINOUT

The diagram below shows the pin assign- ments used for the HD-15 connectors on the DSP-3 and amplifier.

NOTE!

This information is shown for reference only and is subject to change without no- tice as the DataPort feature is specific to QSC products and not intended for inter- face to other manufacturer’s equipment.

Note: Powerlight 6.0 and Powerlight 9.0 amplifiers require that pin #9 be removed from the remote mounting interconnect cable.

Amplifier damage may result from use of cable that has pin #9 connections present.

Pin

Signal Description

1

Ch. 1 Minus (-) Input Signal

2

AC Standby Control

3

V- MON Ch. 1 and Subcode 1

4

I- MON Ch. 1 and Subcode 2

5

Clip/Protect Ch. 1

6

Hard Ground

7

Ch. 1 Plus (+) Input Signal

8

Ch. 2 Plus (+) Input Signal

9

+15V from Amplifier

10

Data Reference Ground

11

Ch. 2 Minus (-) Input Signal

12

Amplifier IDR (Model ID)

13

V- MON Ch. 2 and Subcode 3

14

I- MON Ch. 2 and Subcode 4

15

Clip/Protect Ch. 2

Description of Encode Signals

encode 1

Bridge mode & power detect

encode 2

Temperature, channel 1

encode 3

Standby mode detect

encode 4

Temperature, channel 2

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Contents Amplifier Accessory Hardware Manual DSP-3Page Table of Contents Federal Communications Commission FCC Information Introduction- Overview Introduction- DSP-3 General Use Guidelines Turn the Equipment OFF & Install the Hardware Introduction- Quick StartConnect the Computer to the DSP-3 Turn the AMP Gain DOWN, Power UP the Amplifier & the DSP-3 Channel 1 Input & Channel 2 Input connectorsConnect the Audio Inputs What the Signal Manager Application Looks Like Install the SoftwareCreate a Simple DSP Configuration Establish Communication Between the DSP-3 & the ComputerIntroduction- Quick Start Front Panel Rear Panel Dataport unlabeled- This is the outputIntroduction- List of Functions & Features Signal Level Meter Introduction- Block Diagram Data Acquisition Power SupplyAudio Output Path Contact ClosureInstallation- Unpacking and Mounting Page Installation- Connections Balanced connection is recommended for all inputsPuter VGA cables as they are not correctly constructed for Power Source DAISY-CHAINING the DSP-3 Outputs to Additional AmplifiersInstallation- Application Examples Installation- Application Examples Installation- Application Examples Signal Manager Software- Software Installation Software InstallationPower amplifier connectivity SpecificationsSignal Processing 24 bit, 48 kHz RS-232 PortDimensions GeneralArchitect’s and Engineer’s Specifications Gain Threshold Attack time Release timeDescription of Encode Signals Appendix- DataPort PinoutData Port Pinout Appendix- RS-232 Port Pinout & Connector P-N’s Pin with Strain Relief Phoenix Contact 17 76 16Appendix- Application Information Application InformationAppendix- Preset Operation Notes ReasonMaintenance, Warranty & QSC Contact Information Cleaning
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DSP-3 specifications

QSC Audio has long been recognized for its commitment to delivering high-quality audio solutions, and the QSC DSP-3 is no exception. This advanced digital signal processor (DSP) embodies cutting-edge technologies, designed to enhance audio systems in a variety of environments, including live sound, broadcasting, and installation applications.

One of the main features of the DSP-3 is its exceptional audio processing capabilities, boasting 32-bit floating-point processing for superior sound quality. This ensures that audio remains clear and dynamic, with minimal distortion, even under demanding conditions. With a frequency response of 20 Hz to 20 kHz, the DSP-3 caters to a wide range of audio frequencies, ensuring no detail is lost in the sound.

The DSP-3 offers extensive input and output options, including multiple analog and digital inputs and outputs. This flexibility allows for seamless integration into existing sound systems, catering to various setups while accommodating different signal formats. Users benefit from the unit’s configurability, enabling tailored solutions for different applications.

One of the standout technologies integrated into the DSP-3 is its advanced FIR (Finite Impulse Response) filtering capabilities. FIR filters are known for their phase linearity, which is crucial for maintaining the integrity of the audio signal through the processing chain. This feature helps in achieving accurate sound reproduction, ensuring a natural listening experience.

Additionally, the DSP-3 comes equipped with a user-friendly interface, featuring real-time monitoring and control options. This interface allows sound engineers and technicians to swiftly make adjustments on the fly, resulting in optimized audio performance tailored to the specific venue or event.

Another notable characteristic of the DSP-3 is its robust protection features. With built-in limiters, compressors, and equalizers, the device safeguards audio equipment from damage due to excessive signal levels, while maintaining the best audio quality possible. This added layer of protection is invaluable in live sound scenarios, where unpredictable dynamics can occur.

Overall, the QSC DSP-3 stands out as a powerful and flexible digital signal processor that meets the needs of modern audio applications. Its combination of advanced processing capabilities, extensive connectivity, intuitive interface, and protection mechanisms makes it an essential tool for audio professionals aiming to achieve exceptional sound quality in diverse environments. Whether for live events, installations, or broadcast applications, the DSP-3 enhances audio performance and reliability, solidifying QSC's reputation as a leader in the audio industry.
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