Expert Power Control 8291 R2 Series
Firmware Release Notes / Revision History
- v1.5.3 - 25.03.2026
- Features
- added validation of SMTP server certificates
- added validation of MQTT (mTLS) server certificates
- support for sending MQTT client certificates
- MQTT clean session attribute configurable
- added product name and MAC-address to MQTT data summary
- improved configuring of Gude Power Cloud parameters
- added validation of HTTPS (mTLS) client certificates
- Bugfixes
- fixed 802.1X compatibility issues with Cisco ISE server
- improved handling when ethernet switch is giving access in 802.1X
- fixed possible memory leak in MQTT client
- fix push messages in SSH tunnel
- v1.5.1 - 06.10.2025
- Features
- better TLS certificate backward compatibility when installing older firmwares
- Bugfixes
- fixed ethernet auto negotiation problem
- v1.5.0 - 30.09.2025
- Features
- added zero voltage switching
- added 802.1X switch port authentication
- added OVP info to MQTT telemetry message
- added more device info to SNMP (Product Name, FW-rev, Hostname, MAC-address)
- support daylight saving for US/Canada (configurable)
- additional Gratuitous ARP packets after PHY uplink
- support for TLS certificate chains
- cmdline: added cmds to get external sensor max/min values
- cmdline: added cmd to reset external sensor max/min values
- Bugfixes
- improved OVP functional detection
- now 'All On/Off' is possible when logged in as user (not admin)
- improved handling of TLS Session Tickets
- fixed receive of big DNS query answers
- fixed setting calib values of legacy 7102 sensor
- corrected index of port sensor console cmds
- fixed ModbusTCP access discrete input eFuse error
GUDE Systems GmbH