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Studio Technologies 5512A User Manual

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Model 5512A
Audio Interface
User Guide
Issue Preliminary 1, April 2025
This User Guide is applicable for serial numbers
M5512A-00151 and later with Main MCU Firmware 1.02 and later,
FPGA Firmware 1.01 and later, and
ST 2110 (ZMAN) Firmware 1.7.1b61055 and later
Copyright © 2025 by Studio Technologies, Inc., all rights reserved
studio-tech.com
50678-0425, Issue Preliminary 1

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Summary of Contents for Studio Technologies 5512A

  • Page 1 This User Guide is applicable for serial numbers M5512A-00151 and later with Main MCU Firmware 1.02 and later, FPGA Firmware 1.01 and later, and ST 2110 (ZMAN) Firmware 1.7.1b61055 and later Copyright © 2025 by Studio Technologies, Inc., all rights reserved studio-tech.com 50678-0425, Issue Preliminary 1...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Table of Contents Revision History........................ 4 Introduction ........................5 Installation ........................8 ST 2110 Configuration ..................... 11 Model 5512A Configuration ..................... 11 Operation ......................... 27 Technical Notes ....................... 33 Specifications ........................37 Appendix A–Connection Pin-Out Charts ................. 39 Appendix B–Source Selection Overview ................. 40 Appendix C–Front-Panel Menu Structure................

  • Page 4: Revision History

    Model 5512A AUDIO INTERFACE Revision History Issue Preliminary 1, April 2025: • Initial preliminary release. Issue Preliminary 1, April 2025 Model 5512A User Guide Page 4 Studio Technologies, Inc.

  • Page 5: Introduction

    The Model 5512A can be powered by 100-240 V, the ST 2022-7 standard. Line-level analog sources 50/60 Hz mains or a source of 12 volts DC. Both can...

  • Page 6: Network Interfaces

    Studio Technologies has not fully explored the Model indication of LAN performance. 5512A’s ability to support RAVENNA and AES67. The ST 2110 capabilities in the Model 5512A are provided Applications by the ZMAN module from Merging Technologies. Two versions of the Model 5512A Audio Interface The ZMAN specifications indicate full compatibility are available.

  • Page 7: Analog Inputs

    ±20 dB in 1-dB steps. This ensures that able for use in studio and mobile facilities as well as the Model 5512A will also be compatible in environ- field-deployed environments. ments that utilize 0, +4, +6, or even +8 dBu nominal The audio performance of the Model 5512A’s analog...

  • Page 8: Operating Power

    Operating Power or it can serve as a backup power source should AC mains be connected. The Model 5512A allows an AC mains source of 100- 240 V, 50/60 Hz to be connected by way of a standard What’s Included detachable mains power cord.

  • Page 9: Analog Audio Connections

    Connections to the three Ethernet interfaces are made by way of standard RJ45 jacks that are Analog Audio Connections located on the back of the Model 5512A’s enclosure. Analog signal connections to and from the The Ethernet interfaces support auto MDI/MDI-X Model 5512A are made by way of 25-pin female so that crossover cables are not required.

  • Page 10: Connecting Power

    Model 5512A AUDIO INTERFACE the inputs to be made compatible with audio signals and only the Model 5512A’s shield terminal as the that have a wide range of nominal levels. When signal low/shield. Leave the – terminal unconnected. connecting a consumer-level (“–10 dBV”) audio For correct unbalanced operation it is important not source adding 12.0 dB of gain to each input might...

  • Page 11: St 2110 Configuration

    Switzerland. The ZMAN module is installed in the same network that includes the Model 5512A’s the Model 5512A’s DFB II card and is accessed using management Ethernet interface. The management the PRI+CTRL Ethernet interface which is located on interface’s network configuration can be revised...

  • Page 12: Management Ip Address

    (A link-local-obtained IP address will be in the format of 169.254.x.x.) It’s also possible that the Model 5512A may have been configured to use a manual (fixed or static) IP address. The Model 5512A’s management webpages can be used to review or make changes to the IP address and related parameters.
  • Page 13 Home Menu Once the Home page is shown, a number of Model 5512A operating parameters will be presented. This includes the ST 2110 device name, the unit’s overall status, and the link, IP, and PTP status of the two Ethernet interfaces that are provided for ST 2110 operation.

  • Page 14: Login Menu

    Model 5512A AUDIO INTERFACE Login Menu User Name: Enter the Model 5512A’s user name into this field. It is case sensitive. The default user name is guest. If the default user name and default password are active, the default user name will show in this field.
  • Page 15 In addition to showing the previously mentioned ST 2110 operating parameters, it includes one configurable parameter and one reboot function. This menu also shows tabs for accessing the other menus which allow many Model 5512A configuration choices to be shown and, in many cases, revised. ST 2110 Sender Source sender (output) channels, as a group, can be selected from among three choices.
  • Page 16 Selecting 1 kHz Tone causes a precise 1000 Hz (1 kHz) sine-wave tone with a level of –20 dBFS to be present on all of the Model 5512A’s ST 2110 sender (output) channels. This is an excellent meth- od of providing a known signal source on all of the output channels and should prove useful in test and troubleshooting situations.
  • Page 17 Model 5512A AUDIO INTERFACE Analog Inputs Menu The Model 5512A-01 provides eight analog inputs while the Model 5512A-02 provides sixteen. They function similarly. As such, independent text sections will not be provided to describe their operation. Level Adjustments – Gain the relative level of the analog input sources to be matched.
  • Page 18 Model 5512A AUDIO INTERFACE Analog Outputs Menu The Model 5512A-01 provides eight analog output channels while the Model 5512A-02 provides sixteen. They function similarly, the only difference being the number of output channels. Level Adjustments – Gain 01 through 08 for the Model 5512A-01 and 01 through 16 for the model 5512A-02.
  • Page 19 Analog Outputs Source Choices are: Analog Inputs, ST 2110 Receivers, and 1 kHz Tone. The Model 5512A is unique in that the analog outputs can have their source selected from among three choices. Refer to the block diagram in Appendix B for details.

  • Page 20: Network Menu

    Current Network Information IP Address: These are display-only fields that show the IP address associated with each Ethernet inter- Each Model 5512A has three Ethernet interfaces: face. Shown in dot-decimal notation. Primary + Control, Secondary, and Management. Three columns, each consisting of five fields, pro-...
  • Page 21 Automatic and Manual. It impacts how to the Model 5512A’s management web server, the Model 5512A obtains the IP address that is used restoring the unit’s factory defaults will not change for accessing the Model 5512A’s management web the currently selected management IP configuration server and associated menu webpages.
  • Page 22 (four octets separated by dots) if the current IP address and related network parameters were obtained by way of DHCP. This is the gateway IP address that is being used by the Model 5512A’s management web server. If the IP configuration mode is selected for Automatic...

  • Page 23: Access Menu

    The user name and password are sent Choices are: View/Edit and View Only. to and received from the Model 5512A as plain text. A graphics display and five associated pushbutton They are also stored within the Model 5512A as plain switches are located on the Model 5512A’s front...
  • Page 24 Submit: A Submit button is located below the field for Confirm New Password. To save a change made to the User Name field and/or New Password field requires that the Submit button be pressed. Issue Preliminary 1, April 2025 Model 5512A User Guide Page 24 Studio Technologies, Inc.

  • Page 25: System Menu

    When Enabled and Disabled. Disabled is selected the LEDs will not be active and LED indicators on the Model 5512A’s front panel will never light. When Enabled is selected the LEDs can display the status of the ST 2110 secondary will be active.
  • Page 26 USB flash drive. Details are pro- Reboot check box has been enabled, pressing the vided in the Technical Notes section. Reboot button will cause the Model 5512A to halt current operation and restart (“boot)” the unit. ST 2110 Firmware: One display-only field shows...

  • Page 27: Operation

    The operating condition of the refer to as Row One. For the Model 5512A-02 there Model 5512A as it was at the time of the previous are four display-only menu pages. These pages power down will be restored. All configuration set-...
  • Page 28 ST 2110 Senders - Channels 9-16: This menu page An arrow icon will show in the upper-right corner of will only be present in a Model 5512A-02. It will show this menu page to indicate that the setting can be the levels of ST 2110 sender (output) channels 9-16.
  • Page 29 IP address will be requested and, when performed using the reboot ST 2110 front-panel obtained, will automatically replace the ST 2110 menu page. Alternately, rebooting the Model 5512A primary and control IP address that was previously by means of another front-panel menu or a power established by way of link-local.
  • Page 30 5512A’s ST 2110 interface to be rebooted (restarted). and associated menu webpages. This setting has no This can be useful to force the Model 5512A to utilize impact on how the Model 5512A obtains IP address- revised ST 2110 interface configuration changes.
  • Page 31 Selecting the Automatic setting causes the Model dot-decimal notation is used to show and revise the 5512A to use DHCP or, if DHCP is not available, the IP address. Once the desired changes have been IPv4 link-local protocol to establish the IP address made press the Enter button to store them.
  • Page 32 Reboot Device: This menu page allows the Model 5512A to be rebooted (restarted). This can be useful 1. Studio Technologies’ company logo graphic. to force the Model 5512A to utilize revised ST 2110 2. ST 2110 primary and control IP address. and management Ethernet interface configuration changes.

  • Page 33: Technical Notes

    It’s possible that updated versions of the firmware (embedded software) files that are utilized by the Details regarding the information provided in each Model 5512A will be released to add features or of the screen saver menu pages were documented correct issues. Refer to the Studio Technologies’...
  • Page 34 Model 5512A AUDIO INTERFACE main MCU firmware files are utilized for the -01 and 7. Apply power to the Model 5512A. Power can be -02 versions. provided by connecting AC mains or a source of 12 volts DC. At this point, it’s a good idea to...

  • Page 35: Restoring Default Values

    M5512A-NNvXrX.zoem where the NNs the menu will show the text Uploading: 100%. are either 01 for a Model 5512A-01 or 02 for a Refer to Appendix D, Figure 5 for an example of Model 5512A-02. Xs represent the actual version the webpage.
  • Page 36 Login menu webpage. If knowledge of the stored user name and/or pass- word is “lost,” the Model 5512A includes a “back door” to allow access. As a security measure, physical access to the unit is required to utilize that access method;...

  • Page 37: Specifications

    Versions Available: Network Interfaces: Model 5512A-01: 8 line-level analog inputs and 8 line- Qty: 3; ST 2110 Primary + Control (PRI+CTRL), level analog outputs (Order Code: M5512A-01) ST 2110 Secondary (SEC), and Management (MGMT)
  • Page 38 Model 5512A AUDIO INTERFACE Connectors: Analog Inputs and Analog Outputs: 2 (Model 5512A- 01), 4 (Model 5512A-02), 25-pin female D-subminiature (DB-25F), AES59-2012-compliant Ethernet: 3, RJ45 jack USB: type A receptacle (used only for updating firmware) AC Mains Input: 3-blade, IEC 320 C14-compatible...

  • Page 39: Appendix A-Connection Pin-Out Charts

    4-40 UNC threaded inserts for locking with mating plugs. 2) Wiring schemes follow AES59-2012 convention. Standard TASCAM-type wiring harnesses are typically compatible (locking hardware requires 4-40 UNC screw threads). Model 5512A-01 Analog Inputs and Analog Outputs Connections for Analog Input Channels 1-8 Connections for Analog Output Channels 1-8...

  • Page 40: Appendix B-Source Selection Overview

    Model 5512A AUDIO INTERFACE Appendix B–Source Selection Overview Issue Preliminary 1, April 2025 Model 5512A User Guide Page 40 Studio Technologies, Inc.

  • Page 41: Appendix C-Front-Panel Menu Structure

    Model 5512A AUDIO INTERFACE Appendix C–Front-Panel Menu Structure Model 5512A User Guide Issue Preliminary 1, April 2025 Studio Technologies, Inc. Page 41...

  • Page 42: Appendix D-Zman Firmware Update Screens

    Model 5512A AUDIO INTERFACE Appendix D–ZMAN Firmware Update Screens Figure 1. Figure 2. Issue Preliminary 1, April 2025 Model 5512A User Guide Page 42 Studio Technologies, Inc.
  • Page 43 Model 5512A AUDIO INTERFACE Appendix D–ZMAN Firmware Update Screens, continued Figure 3. Figure 4. Model 5512A User Guide Issue Preliminary 1, April 2025 Studio Technologies, Inc. Page 43...
  • Page 44 Model 5512A AUDIO INTERFACE Appendix D–ZMAN Firmware Update Screens, continued Figure 5. Figure 6. Issue Preliminary 1, April 2025 Model 5512A User Guide Page 44 Studio Technologies, Inc.
  • Page 45 Model 5512A AUDIO INTERFACE Appendix D–ZMAN Firmware Update Screens, continued Figure 7. Figure 8. Model 5512A User Guide Issue Preliminary 1, April 2025 Studio Technologies, Inc. Page 45...

  • Page 46: Appendix E-Advanced Zman General Settings Screen

    Model 5512A AUDIO INTERFACE Appendix E–Advanced ZMAN General Settings Screen Issue Preliminary 1, April 2025 Model 5512A User Guide Page 46 Studio Technologies, Inc.

  • Page 47: Appendix F-Default Configuration Values

    Manual IP Address: 192.168.1.12 Manual Subnet Mask: 255.255.255.0 Manual Gateway: 192.168.1.1 Access: Front Panel Control: View/Edit User Name: guest Password: guest System: Secondary Network Error Indication: Enabled Model 5512A User Guide Issue Preliminary 1, April 2025 Studio Technologies, Inc. Page 47...

  • Page 48: Appendix G-Accessing The Unit When User Name And/Or Password Are Not Known

    3. While continuing to hold the two buttons apply AC Mains or 12 volts DC power. 4. Continue to hold the two buttons and allow the Model 5512A to start. The Status LEDs on the front panel will first light green then light red in their start-up sequence.

This manual is also suitable for:

M5512a-01M5512a-02