Firmware Updates

AXS Port Firmware Archive

Remote system control and monitoring device
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The following firmware versions are outdated and should only be used upon recommendation from OutBack Power Technical Support. The latest firmware for the AXS Port can be found here.



Please ensure that you are downloading the correct version number. Each download contains a ReadMe text file that details the:

  • Firmware Version Number
  • Contents of the Release
  • Release Date
  • Additional useful information

Once downloaded, verify that the ReadMe text file contains the proper information regarding your AXS product.

  • AXS Port Version 003.017.000 (OPTICS RE)
    • Contents of the Release: Enhancements and Bug Fixes
    • Release Date: August 2018
    • Fixes: Ethernet speed / duplex negotiation issue with slow booting routers.  Disabling ModBus encryption after AXS port has been set to encrypt modbus communications now operates correctly.  Modbus read / write to device connected to HUB port 10 now operates correctly.  Fixed initialization of OPTICS generator total run time counter.  Fixed an issue that caused incorrect values to appear for input and output current and power for an FNDC.  Fixed issue that caused FLEXNet-DC "Charge Parms Met" event to not post.
    • Enhancements: Added support for SA-compliant inverters.  Improved FXR support to discern between Grid (AC1) input and GEN (AC2) for reporting to OPTICS.  Improved resolution of AC current settings for FXR/Radian to two decimal places.
    • Known Issues: Does not support FM100 charge controller.

  • AXS Port Version 003.015.001 (OPTICS RE)
    • Contents of the Release: Enhancements and Bug Fixes
    • Release Date: May 2016
    • Additional Information: Fixed OPTICS HBX events that were displaying 0% SOC, Fixed FTP functionality, Fixed reading of charge controller kW data that was effecting OPTICS display of production kW and kWh, Fixed issue on 120VAC Radians that was displaying 2X kW values for Buy, Sell, Charge and Invert
  • AXS Port Version 003.015.00 (OPTICS RE)
    • Contents of the Release: Enhancements and Bug Fixes
    • Release Date: March 2016
    • Additional Information: Fixed FTP client directory detection issue, DC only systems will now report a constant system voltage based upon the float voltage selection on charge controllers, Improved detection of devices when devices are moved to different ports on HUB, Improved reliability reporting of events to OPTICS, Additional check added to ensure SD-Card is present before attempting to open files on SD card, When processing AGS Manual stop, removed Drop AC input command if generator type is DC, Resolved generator issue that caused the system battery set points to change to zero value, Improved DHCP operation to work more reliably with a range of router types, Updated data log file location by separating each months file into a separate sub-directory by month and year (i.e. 01-2016), Added support for late “A” model Radian inverter serial numbers within OPTICS, Reduced the amount of DNS server traffic, Updated gateway hysteresis for status and configurations messages from 10 to 30 seconds, Increased file upload block size to more efficiency communicate with OPTICS servers, Enhanced gateway Auto Reboot functionality to allow for selectable interval of the reboot process. 

For more information regarding the update process for the AXS product, see the video below:



Release Date

Thursday, 11 July 2019


3767 Alpha Way
Bellingham, WA 98226 United States

Contact Info

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Phone: +1 360.435.6030

Fax: +1 360.435.6019