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LDA Audio Tech Nexo AES67 User Manual

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User Manual
IP AUDIO INTERFACE AES67

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Summary of Contents for LDA Audio Tech Nexo AES67

  • Page 1 User Manual IP AUDIO INTERFACE AES67...

  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS Please read these safety instructions carefully. Save this user manual for future reference. Power connectors must be accessible for disconnection and where people cannot step on or trip. Disconnect the equipment from the AC/DC (AC) outlet before cleaning it. The appliance must not be exposed to falling water or splashes and no liquid-filled objects should be placed on the appliance.

  • Page 3: Table Of Contents

    INDEX INTRODUCTION ........................5 System Features ........................5 DESCRIPTION ........................6 User interface. Frontal ......................6 2.1.1 Buttons ..........................6 2.1.2 Status indicators ........................7 2.1.3 Input ............................7 Back. Inputs and outputs ......................7 2.2.1 Ethernet Ports ........................8 2.2.2 MicroSD socket ........................
  • Page 4 4.3.3 ACSINet-controlled channels .................... 26 ACSI & ACSINet ........................27 4.4.1 ACSINet Domain Configuration..................27 4.4.2 Local ACSI Bus Config ....................... 28 4.4.3 Zone Monitor Configuration ....................29 I/O Ports ..........................31 4.5.1 GPIO Port ..........................31 4.5.2 RS232 Serial Port ....................... 31 Audio Monitor .........................

  • Page 5: Introduction

    Compact and versatile design: Ideal for rack, wall or desktop installations, adapting to different environments and requirements. Future applications: • NEXO Hub: Designed to centralize the management of PA/VA systems, facilitating communication and monitoring in multi-site systems and emergency scenarios. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 6: Description

    This mode is useful for adjusting or troubleshooting connectivity issues. The device will automatically exit Safe Mode after a predefined period, or when you press the button again to deactivate it. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 7: Status Indicators

    Power on: Indicates that the system is in a state of emergency VA 2.1.3 Input "USB" The available USB port is reserved for future applications. 2.2 Back. Inputs and outputs Illustration 2: Inputs and outputs Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 8: Ethernet Ports

    The device has 8 programmable input and output ports, configurable via the configuration application, for system events (see 4.5.1 GPIO Port). GPIO ports work with TTL level logic signals (0 – 5 VDC). Illustration 6: GPIO Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 9: Audio Source Inputs And Outputs

    0.14 → 1.5 mm² (30 → 14 Illustration 8: CH1 Audio AWG). Brand Description Type Signals Activation Input Line-level balanced audio ┴ Output Board 5: CH1 Audio Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 10: Power Supply

    0.14 → 1.5 mm² (30 → 14 AWG). Brand Description Type Signals Activation 20 – 28 VDC 20-28 V Emergency power input Input Min. current: 0.2 A Max. Current: 1A Board 7: Emergency Power Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 11 24VDC / 0.5A Illustration 11: Main power output. supply Brand Description Type Signals Activation 24 VDC Main power input Input Current: 0.5 A Board 8: Main power supply Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 12: Installation

    A. 1 × Long fixing bracket. B. 1 × Side Binding Plate. C. 2 × Short fixing bracket. D. 1 × Rear Junction Plate. E. 1 × M3 pan head screw. F. 4 × M3 countersunk screws. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 13: Rack Mount An Appliance

    C. 1 × Short fixing bracket. F. 4 × M3 countersunk screws. Illustration 13: Long fixing bracket assembly Illustration 14: Short fixing bracket assembly Illustration 15: Front view rackmount of a device Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 14: Two-Device Rackmount

    D. 1 × Rear Junction Plate. E. 2 × M3 pan head screw. F. 8 × M3 countersunk screws. Illustration 16: Short fixing bracket assembly Illustration 17: Side Junction Plate Mounting Illustration 18: Rear Attachment Plate Mounting Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 15: Wall Mount

    User Manual NEO+ Illustration 19: Two-device rackmount scheme 3.1.3 Wall Mount C. 2 × Short fixing bracket. F. 4 × M3 countersunk screws. Illustration 20: Short fixing bracket assembly Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 16: Power Management

    The physical connection must be made using both NEXO Ethernet ports to establish a redundant connection to the NEO+ system within the Flexnet ring. Connect the ports following the layout indicated in the following illustration. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 17: Multi-Service Network Connection

    NEO+ Illustration 22: Flexnet Ring Integration For more information on the Flexnet protocol, please consult the NEO+ user manual available on the LDA Audio Tech Support website. You can access it through the following link: Support - LDA Audio Tech Note: All audio and control traffic are managed exclusively within the FlexNet environment, avoiding interference with other systems on the network.
  • Page 18 User Manual NEO+ NOTE: Network settings should be reviewed with your network administrator to avoid compatibility issues with other existing services on the network. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 19: Configuration. Nexo Config Tool App

    .NET 8.0 framework installed, which can be downloaded from Microsoft's official website if it is not previously installed. Download: The application is available on the official website of LDA Audio Tech Support. You can access its download through the following link: Support - LDA Audio Tech Installation: The application is distributed in a ZIP file.

  • Page 20: Interface

    System Status Indicators: • EMG (Emergency): Displays the emergency status of the system. • FLT (Failure): Indicates errors or failures detected in the system. • DIS (Disarmed): Reflects the deactivation status of system zones. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 21: Center Panel

    The "Location" field allows you to assign a custom label to identify the equipment physically in a location. Illustration 26: Device Info Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 22: Network

    AES67 audio on the same network. It is recommended to use the system with the default parameters, although these are editable in case the system specifications require it. Illustration 28: PTPv2 Config Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 23: Device Date & Time

    4.2.5 Tools The "FW update" button allows you to upload a firmware file to update the device. You can download the latest version available on the LDA Audio Tech Support website, through the following link Support - LDA Audio Tech.

  • Page 24: Audio Config

    AES67 protocol, the ACSINet protocol, or via physical channels. Illustration 32: Audio Config 4.3.1 Inputs The "Inputs" section in the "Audio Config" tab allows you to configure different audio sources according to the selected input channel. Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 25 Output 4: AES67 Tx Slot 2 (when the device is integrated into an ACSINet domain) • ACSI & ACSINet). • Volume (dB): Adjusts the value of the input volume, with values between -100 and 10 dB. • Mute: Mute the audio input Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 26: Outputs

    (e) Output 2: ACSI Bus Analog Audio Out Future application: This functionality is not currently implemented, so it is not configurable or operational in this version of the system. (f) Outputs 3 & 4: AES67 Tx Slots Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 27 Output 4: AES67 Tx Slot 2 (when the device is integrated into an ACSINet domain) • 4.4 ACSI & ACSINet The "ACSI & ACSINet" tab allows you to manage the configuration of the ACSINet Domain and the devices that compose it. Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 28 Sender number: The total number of active sender devices within the domain. • ACSINet block: Its value matches the Domain UID. • Mics concurrency: Maximum number of emitters that can simultaneously stream audio in the domain, maximum 16. Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 29 Enable Plug and Play: If enabled, the system will automatically detect ACSI devices connected to the bus. If disabled, devices will need to be manually installed by assigning them a specific address. Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 30 This function is activated by an MPS8Z+ microphone, which will act as a control device. NOTE: When activating the zone monitoring function, Output 1 will automatically become controlled via ACSINet and the "Audio Config" settings will be ignored Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 31 " button to confirm the execution. To stop monitoring, on the MPS8Z+ microphone, press the events button, then the button previously defined as "MIC Launcher". Press the "Talk " button to stop the function. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 32: Rs232 Serial Port

    Parity: Allows you to select the type of parity (None, Even, Odd). • Stop bits: Configures the number of stop bits in the communication. The "Test" option allows you to verify the RS232 connection with an external device before use. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 33: Audio Monitor

    Master Identity: MAC address of the device that acts as the synchronization master. • • Offset (ns): Time difference in nanoseconds between NEXO and the clock master. • Delay (ns): Delay in synchronizing time between devices. Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 34 • • Send Fails: Number of failures in audio transmission. 4.6.5 Control The "Reset AES67 Stats" button allows you to reset the status counters of AES67 streams (lost packets, sync errors, etc.). Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 35: Log Viewer

    Read Log: Reloads logs stored on the system to show the most recent events. • Export Log To File: Allows you to export the event log to an external file for analysis or storage. • Clear Log: Clears all logs stored on the system. Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 36: Maintenance Instructions

    • Disconnect all external devices. • Keep the product away from any liquid. • Do not use aerosols, solvents or abrasive substances. • Do not spray any cleaner directly onto the appliance Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 37: Specifications

    -5 ºC to +45 ºC / 23 ºF to 113 ºF Operating conditions 5% to 95% Relative Humidity (non-condensing) Top: Material Fe - Grey colour RAL 7016 Finishing Base: Material Al - Natural color Weight 0.75 kg Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 38: Factory Network Settings

    01:00:5E:00:01:15 FlexNet+ Loop Supervision 232.1.1.21 01:00:5E:01:01:15 FlexNet+ Loop Supervision (backup) 232.1.1.84 01:00:5E:01:01:54 Multicast IGMP 224.0.0.1 01:00:5E:00:00:01 LDA AES Streams (NEO+ and [232.1.1.100-232.255.1.100] NEXOs02) NEXOs01 Default Streams (IPBOX) [239.3.208.1-239.3.208.16] Board 9: IP Addressing Ver.1 - Rev.0 © LDA Audio Tech 2025...

  • Page 39: Network Specifications

    IGMP is used to manage multicast group subscriptions, optimizing audio and data transmission on medium or large networks. This protocol ensures efficient use of bandwidth by avoiding sending unnecessary data to non- subscribed devices. Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 40 Control traffic → DSCP 00, ensuring correct communication between devices without interfering with audio streams. (e) ACSINet Used for communication between devices and audio transmission within the NEO+ system, employing specific multicast addresses. Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 41 Illustration 39: Audio Monitor ........................ 32 TABLE OF CONTENTS Board 1:Indicators ............................ 6 Board 2: Ethernet Ports ..........................8 Board 3: GPIO............................9 Board 4: RS232 ............................9 Board 5: CH1 Audio ..........................9 Ver.1 - Rev.0 © LDA Audio Tech 2025...
  • Page 42 User Manual NEO+ Board 6: ACSI Bus ........................... 10 Board 7: Emergency Power ........................10 Board 8: Main power supply ........................11 Board 9: IP Addressing ........................... 37 Ver.1 - Rev.0 © LDA Audio Tech 2025...

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