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04/16/2021 - Release Notes - MEGApix Pano 21MP Multi-Sensor Firmware Update vP2.2.1_20210406                                                                         DW Technical Bulletin

To:  DW® Customers

Date:  April 16, 2021

Re:  MEGApix Pano 21MP multi-sensor firmware update

MEGApix® Pano™ 21MP Multi-Sensor Firmware Update vP2.2.1_20210406

Affected Model Numbers:  DWC-PZ21M69T

New Firmware Version:  P2.2.1_20210406

Current Firmware Version:  P2.1.3_20190111

Release Date:  April 15, 2021

Fixed Issues

  • Intermittent connection loss at channels 2~4 due to too many ONVIF requests by the server. Fixed.


  • Improved connectivity with DW Spectrum® IPVMS
  • System hardening for cybersecurity
    • Camera password must have at minimum eight (8) characters with at least four (4) combinations of uppercase letters, lowercase letters, numbers, and special characters ([email protected])
  • ONVIF driver has been updated to version 20.06

Additional Resources

Installation File Download

Special Instructions/Comments

  • It is recommended to disable DW Spectrum’s optimized device settings

Click Here for a PDF copy of these release notes

For More Information or Technical Support

DW Technical Support:

Toll-free:  866.446.3595


 : 866.446.3595           : [email protected]      :

Rev: 04/21                             Copyright © DW. All rights reserved. Specifications and pricing subject to change without notice.