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N3000 Series: Network Lockups, Video Freezing, and Controller Disconnection During Video Switching

Escalation Article


Written by Daniel Fabriczy

Updated at November 13th, 2026

Brand:

  • AMX

Affected Products:

  • AMX SVSi N3000 Series Encoders and Decoders

Summary:

  • When AMX SVSi N3000 Series encoders and decoders undergo continuous video switching and serial command handling, units may experience video freezing, communication lockups, and disconnect from the network or controller.  Updating N3000 firmware to version v2.12.139 resolves the underlying queue and command handling defects.

Troubleshooting:

  • End-User Action:
  1. Download firmware version v2.12.139 (or higher) for the N3000 Series from the official engineering release repository or resource portal.
     
  2. Apply the firmware update to all connected N3000 encoders and decoders.

  • Resolution: Update N3000 Series firmware to v2.12.139 or higher.
     
  • Verification: Perform continuous video stream switching and send repeated serial/API control commands to the decoders. Verify that devices remain stably connected online without freezing, locking up, or dropping off the network.

 

 

 

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