AC-MXNET-USP-CBOX Firmware Release

AC-MXNET-USP-CBOX ~ V3.42.5 ~ 02-09-2026


Notes
If your CBOX does not have USP available as a software platform to select, please see this article for instructions: How To: Convert an AC-MXNET-CBOX-HA to a 4-In-1 Software Package.

Download Link for the Latest AC-MXNET-USP-CBOX-HA Software Release can be found Here: AC-MXNET-USP-CBOX Firmware

V3.42.5 Release Notes:

New Features:         

  1. Added API Command “vwid layout tx {videowall_name} {layout_name} {row:column/old_tx_id/old_tx_mac/ALL} {new_tx_id/new_tx_mac}
  2. Added new API command “config set device sourceinput {auto/hdmi/usb} {tx_id/tx_mac}
    1. Use: Modifies the source input priority for USP-PR devices. Default is “auto” (utilizes the USB-C or HDMI input based on the most recent Hotplug detection)
      1. “hdmi” == Forces USP-PR to utilize the HDMI-IN port, ignoring the USB-C port.
      2. “usb” == forces USP-PR to utilize the USB-C in port, ignoring the HDMI-IN port.

Bug Fixes & improvements

  1. Fixed the issue where the user logout button was missing from the web GUI.
  1. Fixed the issue where the web GUI was not allowing the ability to scroll using a scrollbar.

 

Known Issues:

  • Intermittent signal drops may occur if multiple RTSP streams are bridged on the USP-CBOX from the CONTROL network to AV network.
  • RTMP streams are unable to ingest a RTMPS server key.
  • USP Endpoints may fail to connect to a bridged RTSP stream if the CBOX hard power cycles and it's internal clock resets.
    • A reboot of the afflicted endpoints will regain the signal streams.
  • Custom Images will fail to upload if the file name contains a space. Please ensure no spaces are within the custom image's file name before uploading.

V3.42.4 Release Notes:

New Features:

  1. Initial Release Firmware.

Bug Fixes & Improvements:

  1. Initial Release Firmware.

Known Issues:

  1. Intermittent signal drops may occur if multiple RTSP streams are bridged on the USP-CBOX from the CONTROL network to AV network.
  2. RTMP streams are unable to ingest a RTMPS server key.
  3. No option to manually toggle between HDMI and USB-C Input for the AC-MXNET-USP-PR device.
  4. USP Endpoints may fail to connect to a bridged RTSP stream if the CBOX hard power cycles and it's internal clock resets.
    1. A reboot of the afflicted endpoints will regain the signal streams.
  5. Custom Images will fail to upload if the file name contains a space. Please ensure no spaces are within the custom image's file name before uploading. 
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