Studio Technologies Model 544D User Manual
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Studio Technologies Model 544D User Manual

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Model 544D
Audio Interface
User Guide
Issue Preliminary 1, January 2023
This User Guide is applicable for serial numbers
M544D-00151 and later with Application Firmware 1.0 and later
and STcontroller application version 3.10.00 and later.
Copyright © 2023 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50729-0123, Issue Preliminary 1

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Summary of Contents for Studio Technologies Model 544D

  • Page 1 Issue Preliminary 1, January 2023 This User Guide is applicable for serial numbers M544D-00151 and later with Application Firmware 1.0 and later and STcontroller application version 3.10.00 and later. Copyright © 2023 by Studio Technologies, Inc., all rights reserved studio-tech.com 50729-0123, Issue Preliminary 1...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Table of Contents Revision History ..........................4 Introduction............................5 Getting Started ..........................9 Dante Configuration .......................... 13 Model 544D Configuration......................... 15 Operation............................20 Technical Notes ..........................22 Specifications ............................ 26 Appendix A–STcontroller Default Configuration Values ..............28 Appendix B–Graphical Description of the Installation Kit for Panel-Cutout or Surface-Mounting Use (Order Code RMBK-10) ......................

  • Page 4: Revision History

    Model 544D AUDIO INTERFACE Revision History Issue Preliminary 1, January 2023: • Initial preliminary release. Issue Preliminary 1, January 2023 Model 544D User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    (GPI) and two general-purpose out- puts (GPO) on each Model 544D. The Model 544D Audio data is sent to the Model 544D using the Dante can also provide a tone generator function. This allows audio-over-Ethernet media networking technology.
  • Page 6 Dante digital channels. Versions of STcontroller are audio outputs of aerial camera systems. available that are compatible with the Windows ® The GPI and GPO functions allow Model 544D units to macOS operating systems. They are available, free ® transport contact closures using high-frequency audio of charge, from the Studio Technologies’...
  • Page 7 The line outputs are electronically units that are located anywhere on the same local balanced, capacitor-coupled and ESD (static) pro- area network (LAN). The Model 544D is also directly tected. The outputs are compatible with virtually all compatible with the call-light signal support provided balanced and unbalanced inputs with an impedance by the Studio Technologies’...
  • Page 8 Rack-mounting option kits are available that Dante Alerting Unit. Another interesting example allow one or two Model 544D units to be mounted in would be for the 20 kHz tone to be used to serve as one space (1U) of a standard 19-inch rack enclosure.

  • Page 9: Getting Started

    If from the bottom of the Model 544D’s chassis. They one or two Model 544D units are going to be mounted are removed using a #1 Phillips screwdriver. Store the...
  • Page 10 (when viewed from the front) of one of the Model 544D units. To prepare the unit to mount in the left side of a rack The screws will mate with the threaded fasteners that enclosure, use a #2 Phillips screwdriver and two 6-32 can be seen on the side of the Model 544D’s enclo-...
  • Page 11 An external source of 12 volts DC can be connected to the Model 544D by way of a 4-pin male XLR con- Get ready to install the kit by removing the four ma- nector which is located on the back panel. While the...
  • Page 12 This connector is next try connecting signal high (+) to pin 2 and signal located on the Model 544D’s back panel. A GPI is low/shield (–) only to pin 3; leave pin 1 unconnected only active when its corresponding pin is connected (“floating”).

  • Page 13: Dante Configuration

    18 volts DC if an external power source is con- Within Dante Controller, a “subscription” is the term nected to the Model 544D and is providing operating used for routing a transmitter channel or a flow (a power. The auxiliary DC output is accessible by way...
  • Page 14 The Model 544D supports audio sample rates of 44.1 and 48 kHz with no pull-up/pull-down values avail- Model 544D units will be commonly utilized in one of able. The audio encoding is fixed for PCM 24. Device two configurations: “point-to-point” or in association Latency and Clocking can be adjusted if required but with other Dante-enabled equipment.

  • Page 15: Model 544D Configuration

    If required, download and install STcontroller onto a designated personal computer. This personal computer must be on the same local area network (LAN) and subnet as the one or more Model 544D units that are to be configured. Immediately after starting STcontroller the application will locate all the Studio Technologies’...
  • Page 16 1. The level will The available choices and associated actions are very be the selected nominal for the analog line outputs. Issue Preliminary 1, January 2023 Model 544D User Guide Page 16 Studio Technologies, Inc.
  • Page 17 The configuration choice should be selected so as to best match the nominal level of the sources that are being connected to the Model 544D’s line input XLR connectors. The choice of +4 dBu would be compatible with most...
  • Page 18 TOX has traditionally meant “Tone Operated TOX – Dante Receiver Ch 1: This choice allows a Relay.” In the case of the Model 544D, it means that a high frequency signal that is present in Dante receiver high-frequency tone (nominally 18 kHz or above) that (input) channel 1 to control the state of GPO 1.
  • Page 19 GPO 1 from inactive-to-active or active-to-inactive. This can prove useful during installation and testing of the Model 544D’s GPO functions. It can also be used to manually control the state of GPO 1. On/Off Buttons – GPO 2: This can be pressed, using a mouse click or keyboard key, to change the state of GPO 2 from inactive-to-active or active-to-inactive.

  • Page 20: Operation

    12 volts DC is connected the DC signal levels coming into the line inputs and the Dante LED will light. If both LEDs are lit then the Model 544D receiver (input) channels is important. This will ensure is being powered by the PoE connection.
  • Page 21 Model 544D AUDIO INTERFACE to a specific Model 544D unit. This will cause that 10 kHz will be removed. This will have minimal unit’s four audio level meters to light in a unique pat- impact for voice applications such as intercom or tern.

  • Page 22: Technical Notes

    GPO 1 or GPO 2 are active. LED to light doesn’t necessarily indicate an excessive A typical application might find two Model 544D units level condition, but it does provide a warning that at communicating with each other. For clarity, we’ll some stage reducing the signal level of the source call them Unit A and Unit B.
  • Page 23 (PIPPA). Link-local will randomly assign a Ethernet switch connecting a personal computer to unique IP address in the IPv4 range of 169.254.0.1 to the Model 544D. Then by using the appropriate ARP 169.254.255.254. In this way, multiple Dante-enabled command the required “clues” can be obtained.
  • Page 24 Model 544D AUDIO INTERFACE directly supports connection of a USB flash drive. The 4. After a few seconds the Model 544D will run a Model 544D’s MCU updates its application firmware “boot loader” program that will automatically load using a file named M544DvXrXX.stm where the Xs the new application firmware file (M544DvXrXX.
  • Page 25 Restoring Factory Defaults A command in the STcontroller software application allows the Model 544D’s defaults to be reset to the factory values. From STcontroller, select the Model 544D for which you want to restore its defaults. Select the Device tab and then Factory Defaults. Click on the OK box.

  • Page 26: Specifications

    48 kHz sampling rate, 18.375 kHz nominal at Frequency Response: +0.0 dB/–0.5 dB, 20 Hz to 44.1 kHz sampling rate 20 kHz GPI Status LEDs: 2 Issue Preliminary 1, January 2023 Model 544D User Guide Page 26 Studio Technologies, Inc.
  • Page 27 (1U) of a standard 19-inch rack Auxiliary DC Output: Application: for use with GPO outputs DC Power Supply Option: Studio Technologies’ PS-DC-02 (100-240 volts, 50/60 Hz, input; 12 volts Type: 12 volts DC, nominal, 25 mA maximum DC, 1.5 A, output), purchased separately...

  • Page 28: Appendix A-Stcontroller Default Configuration Values

    Source Configuration – GPO 2: TOX – Dante Receiver Ch 2 On/Off Buttons – GPO 1: No choice selected (field not active) On/Off Buttons – GPO 2: No choice selected (field not active) Issue Preliminary 1, January 2023 Model 544D User Guide Page 28 Studio Technologies, Inc.

  • Page 29: Appendix B-Graphical Description Of The Installation Kit For Panel-Cutout Or Surface-Mounting Use (Order Code Rmbk-10)

    Appendix B–Graphical Description of the Installation Kit for Panel Cutout or Surface-Mounting Use (Order Code: RMBK-10) This installation kit is used for mounting one Model 544D unit into a panel cutout or flat surface. Model 544D User Guide Issue Preliminary 1, January 2023 Studio Technologies, Inc.

  • Page 30: Appendix C-Graphical Description Of Left- Or Right-Side Rack-Mount Installation Kit For One "1/2- Rack" Unit (Order Code Rmbk-11)

    Installation Kit for One “1/2-Rack” Unit (Order Code: RMBK-11) This installation kit is used for mounting one Model 544D unit into one space (1U) of a 19-inch equipment rack. Unit will be located on the left- or right-side of the 1U opening.

  • Page 31: Appendix D-Graphical Description Of Rack-Mount Installation Kit For Two "1/2- Rack" Units (Order Code Rmbk-12)

    Two “1/2-Rack” Units (Order Code: RMBK-12) This installation kit can be used to mount two Model 544D units or one Model 544D unit and another prod- uct that is compatible with the RMBK-12 (such as the Studio Technologies’ Model 5421 Dante Intercom Audio Engine) into one space (1U) of a 19-inch equipment rack.

  • Page 32: Appendix E-Graphical Description Of Center Rack-Mount Installation Kit For One "1/2- Rack" Unit (Order Code Rmbk-13)

    One “1/2-Rack” Unit (Order Code: RMBK-13) This installation kit is used for mounting one Model 544D unit into one space (1U) of a 19-inch equipment rack. Unit will be located in the center of the 1U opening. Issue Preliminary 1, January 2023...

  • Page 33: Appendix F-Interfacing With Rts ® Matrix Intercom Systems

    Matrix Intercom Systems and RVON-I/O ® with the Model 544D Audio Interface ADAM™ Matrix Intercom System Analog Ports to Model 544D Interface RVON-I/O I/O Connections to Model 544D Interface Model 544D User Guide Issue Preliminary 1, January 2023 Studio Technologies, Inc. Page 33...

  • Page 34: Appendix G-Interfacing With Riedel ® Artist™ Matrix Intercom Systems

    Model 544D AUDIO INTERFACE Appendix G–Interfacing Riedel Artist™ Matrix Intercom System Analog ® Ports with the Model 544D Audio Interface Issue Preliminary 1, January 2023 Model 544D User Guide Page 34 Studio Technologies, Inc.

  • Page 35: Appendix H-Interfacing With Clear-Com ® Matrix Intercom Systems

    Model 544D AUDIO INTERFACE Appendix H–Interfacing Clear-Com Matrix Intercom System Analog ® Ports with the Model 544D Audio Interface Model 544D User Guide Issue Preliminary 1, January 2023 Studio Technologies, Inc. Page 35...

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