AC-MXNET-1G-E Firmware

AC-MXNET-1G-E / AC-MXNET-1G-AVDM-E ~ (ENCODER) ~ V3.39 ~ 01/27/23

NOTICE: Please contact Technical Support for assistance on updating the AC-MXNET-1G-E OR AC-MXNET-1G-AVDM-E devices.
      The update process requires physical access to the AC-MXNET-1G-E/AC-MXNET-1G-AVDM-E devices. Please have these items ready before reaching out to your Technical Support team:
            A Windows-based PC
            A (charge and sync) Micro-USB cable
            The ability for remote access to your PC (TeamViewer preferred)

Release Notes:
  1. Fixed an issue where changing between audio formats on a source, such as PCM 2ch to DD 5.1, would cause a brief "popping" noise.
  2. Fixed an issue where RS232 commands being sent/received in HEX format would show additional characters.
  3. Fixed an issue for Encoders on hardware board V1.00 were unable to be updated via the CBOX MENTOR interface (please contact technical support if you are having this issue).
  4. Added HDCP Request options. Available in the web GUI or API commands. 

  1. Fixed various bugs.
  2. Added support for bi-directional RS232
  3. Added Volume Control for Balanced Audio Output
  4. Restricted data output on RS232 port so that only feedbacks from a connected RS232 device are allowed.
  1. Fixed an issue where extracted audio ( MXNET AVDM Encoders ) would drop after receiving an unknown audio format.
  2. This firmware is compatible with both standard MXNET Encoders and MXNET AVDM Encoders.
  1. Modified the default AVDM MODE to 5
  2. Proactively send updated information to CBOX through MCU when video changes
  1. Fixed a bug on the diagnostic page
  2. Fixed the bug that 1080i was displayed to 3840*1080i
  1. Disable 1080P Lock to fit for Xfinity
  2. Added Color Space information
  1. Resolved issue on AC-MXNET-1G-AVDM-E units where audio would be lost when source devices were powered on from standby/off states.


  1. Added the API Command to change the current downmix preset for the AC-MXNET-1G-AVDM-E (Balanced Audio Output Only).
  2. What Are AVDM Downmix Presets
  1. Compatibility Update for DirecTV 1080i 60Hz signals
  2. Various Minor Bug Fixes
  1. Added support for 4K 50Hz  ( U.K. specific ) signals.


  1. Added security layer / authentication for Encoders and Decoders.

    • Related Articles

    • AC-MXNET-CBOX ~ V2.28 ~ 1/27/2023

      Note: Using firmware v2.28 for the AC-MXNET-CBOX requires the following: AC-MXNET-1G-D Decoders must be updated to V4.18. AC-MXNET-1G-E Encoders must be updated to V3.33. All AC-MXNET-1G-EWP Wall Plate Encoders must be updated to V1.04. V2.28 • Fixed ...
    • How To: Using the MXNET API ~ V1.15

      Kevin Wang, Director of Product Management, goes through using the MXNET API to control and configure the MXNet CBOX Direct. Current API Version: V1.15 Control Box Version: 1.70 and above Instructions and API attached
    • AC-MXNET-1G-AVDM-E Manual

      AVPro Edge is committed to reducing our carbon footprint; Click the Link Below for an Up to Date Manual:
    • AC-MXNET-1G-AVDM-E Application Diagram

      AVPro Edge is committed to reducing our carbon footprint; Application Diagram(s) are Provided on the Attached PDF.
    • AC-MXNET-1G-AVDM-E Specification