Factory Firmware for AP9619 NMC in Symmetra RM

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I made the mistake of trying to update firmware in my AP9619 NMC. Now it is unable to communicate with my Symmetra RM UPS (Model SYHF6KT). The filename I used to upgrade was apc_hw02_aos373_sy372.exe

The Web interface is working, but unable to communicate with the UPS.

Where can I find the original factory default firmware, or maybe another version that works with my UPS?

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Factory Firmware for AP9619 NMC in Symmetra RM

Factory Firmware for AP9619 NMC in Symmetra RM

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