-p Rev 1.2 Firmware: Ds-80249

: Managing encoding resolutions such as 720p or 1080p lite and compression standards like H.264.

The series represents the internal mainboard architecture for 8-channel and 16-channel analog/hybrid DVRs. Revision 1.2 is a legacy hardware version, typically associated with devices manufactured around 2017 . 1. Identifying Your Device ds-80249 -p rev 1.2 firmware

Hex Command: 0x5A 0x10 0x00 0x01 Expected Response: 0xA5 0x10 0x01 0x02 (where 0x02 indicates Rev 1.2) : Managing encoding resolutions such as 720p or

The Rev 1.2 firmware updates the embedded encryption library to support for network communications and AES-256-GCM for local data at rest. Previous revisions only handled AES-128-CBC, which is now considered vulnerable to certain side-channel attacks. ds-80249 -p rev 1.2 firmware