Model 5532 Main Firmware

File Names: M5532v1r02.stm

Version History:

Version: 1.02
Release Date: 23-Jul-2026
Description: Adds support for mic limiter. Fixes bugs related to STcontroller communication. Adds Any Talkback Active selection to GPO 1 and 2. Changes GPO Active State default value to Active Low. Changes Analog Mic In Gain to 40 dB. Updates webpages to reflect updated network information including the additional ZMAN out-of-band Control IP address. (Requires FPGA Firmware v2.02 and later, and ZMAN Firmware v2.00 and later)

Version: 1.01
Release Date: 02-Apr-2026
Description: Fixes bugs related to setting value displays on webpages, ST 2110 Gateway display on the front-panel menu, and Signal Present Display functionality. Adds Main 1 and 2 Listen Modes and Sidetone Minimum Level. Reduces communication time to the Secondary MCU for faster user input recognition and LED indication.

Version: 1.00
Release Date: 20-Jan-2026
Description: Initial Release.