QSC DSP 322UA Hardware Manual
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QSC DSP 322UA Hardware Manual

8x8 signal processor
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DSP 322ua
8x8 Signal Processor
Hardware Manual
*TD-000199-00*
TD-000199-00 rev.A

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Summary of Contents for QSC DSP 322UA

  • Page 1 DSP 322ua 8x8 Signal Processor Hardware Manual *TD-000199-00* TD-000199-00 rev.A...
  • Page 2 - Consult the dealer or an experienced radio or TV technician for help. © Copyright 2005 QSC Audio Products, Inc. QSC® is a registered trademark of QSC Audio Products, Inc. “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office. All trademarks are the property of their respective owners.
  • Page 3 Unlike many configurable DSP boxes, the intrinsic process- ing latency of the DSP 322ua is both short and fixed at 0.396 milliseconds. With analog inputs and analog outputs, the total delay is 2.354 milliseconds. The delay does not change...
  • Page 4 We invite you to visit us there. Block Diagram We are confident that your new DSP 322ua will provide years of dependable service and we hope it will help you, the system designer and implementer, to express your cre-...
  • Page 5 QSControl.net related communications. Second, your DSP 322ua should not be installed on the same LAN or “virtual” LAN (VLAN) with distributed audio and/or video services. While coexistence with conventional data communications services is tolerated to some extent, sharing a network with distributed audio and/or video is not.
  • Page 6 Switches can be connected to other switches to build larger networks; all of the normal networking principles apply. Here all QSCon- trol.net traffic resides on a single unmanaged Ethernet switch. The DSP 322ua connects directly to the switch. A computer hosting a QSControl.net server application also connects directly to the switch.
  • Page 7 Example #3 - Connection to a Managed Switch: This example illustrates a connection with a managed Ethernet switch. The switch is configured with multiple virtual local area networks (VLANs). Ethernet deliveries can only reach destination ports belonging to the same VLAN from which it was sourced. The figure shows a separate VLAN for QSControl.net traffic and a separate VLAN for CobraNet audio traffic.

  • Page 8: Rack Mounting

    2-pin terminal block connector Mounting The DSP 322ua can be used in or out of an equipment rack. Rack mounting is optional. Adhesive rubber feet are included for non-rack mount installations. Use them to prevent the unit from scratching or marring support surfaces.

  • Page 9: Configuration Memories

    Configuration Memories The DSP 322ua has non-volatile storage locations that contain settings for the device as well as DSP signal flow. The storage locations make it possible to set up the DSP for different situations and quickly recall the setup with or without QSControl.net software using the...
  • Page 10 AC Power Cord Insert the molded receptacle of the AC power cord into the AC power inlet on the back of the DSP 322ua. Plug the AC line connec- tor into the AC outlet. The power supply will accept from 100 to 240 Volts AC, 47 to 440 Hertz, without any changes.

  • Page 11: Relay Out

    “finger tight”. Communications should be 9600 baud, no parity, 8 data bits, 1 stop bit, and flow control Xon/Xoff. LED Indicators When the DSP 322ua is plugged into a properly functioning AC outlet, it will power up and briefly display a welcome screen on the LCD dis- play.

  • Page 12: Lcd Display And Controls

    LCD Display and Controls The DSP 322ua has a 2 line X 16 character LCD display. The display and the multi-function push-button switches on either side pro- vide data access and editing capability. The push-button switches on either side of the display are used to navigate through the menus.
  • Page 13 LCD Navigation Map Left side buttons have screen dependent functions. This read-only screen is the “out of the box” default display after power up. This is the most desired information when first setting up a network system. Once user moves to a different screen, the last screen accessed becomes the new power up default.

  • Page 14: Getting Started

    IP address of your computer to be similar that of to the DSP 322ua (easiest if you have many DSP 322ua units) or if you want to change the IP address of your DSP 322ua to be similar to that of the computer. This is a network manage- ment decision.
  • Page 15 AC power is properly applied to the DSP 322ua. 19- Click the “+” sign of the DSP 322ua in the inventory root, then the “+” sign of the Flashed Configs. Click on the config with the loud- speaker icon.

  • Page 16: Operation

    If the DSP 322ua operates in an unexpected way or is not responding to any communications after a new firmware file is uploaded to it, it is likely the file was corrupted during transfer. If this occurs, there is a “backup” program in the DSP 322ua that will enable you to communicate with it.

  • Page 17: Telnet Access

    6) The Hyper Terminal main window will appear next, but blank. Type the letter “h” (for help) and then the “Enter” key. This will prompt the DSP 322ua to post its menu text. The “h” key is the Help prompt for the DSP 322ua. A text menu will appear. This is sent by the DSP 322ua and will detail your options and instructions for changing the address information.
  • Page 18 Phantom Power (per IEC1938 (1996)) Program Outputs Connector Type Type Grounding Pinout Maximum Output Level Audio Converters Mute Delay DSP 322ua in stand-alone mode Analog input through full DSP chain to analog outputs >110dB >113dB <0.008% THD+N <0.05% THD+N >75dB >90dB >85dB >100dB ±...
  • Page 19 Preliminary Specification Relay Outputs Connector Type Configuration Pinout Switching Capacity (nom) Logic Outputs Connector Type Configuration Pinout Omni Inputs Connector Type Configuration Pinout Normal Operating Range Potentiometer Operation Voltage Tolerance Current Output RS-232 Port QSControl.net Indicators QSControl.net Status Power Diagnostic LCD Data Display Signal Presence Dimensions...

  • Page 20: How To Contact Qsc Audio Products

    QSC Audio Products 3 Year Limited Warranty QSC Audio Products, Inc. ("QSC") guarantees its products to be free from defective material and / or workmanship for a period of three (3) years from date of sale, and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use - provided the unit is returned to our factory or one of our authorized service stations via pre- paid transportation with a copy of proof of purchase (i.e., sales receipt).

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