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APC NMC AP9619 - please help finding SYMMETRA LX 1-phase application firmware

APC UPS Data Center & Enterprise Solutions Forum

Schneider Electric support forum for our Data Center and Business Power UPS, UPS Accessories, Software, Services, and associated commercial products designed to share knowledge, installation, and configuration.


APC NMC AP9619 - please help finding SYMMETRA LX 1-phase application firmware


I have a Symmetra LX UPS SYAF16KRMI and I'm trying to run it with an

AP9619 Network Management Card


Problem is card is reporting through COM port interface that a UPS is found,

but its not supported by the application currently installed/ firmware application on the NMC/



According to this compatibility matrix, it should be possible to run that card with the UPS:




Unfortunately I can't find such SYMMETRA firmware anywhere to download....


Any help is highly appreciated...


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1 Reply 1
Lt. Commander Lt. Commander
Lt. Commander

Re: APC NMC AP9619 - please help finding SYMMETRA LX 1-phase application firmware

Hi @dekada 


Thank you for reaching out to the SE Community, my name is Jon and I will assist you with this query.  We've seen this issue when the wrong firmware is loaded on the card, since the NMC is installed on a Symmetra Single-Phase it should be loaded with the SY firmware.


Keep in mind that the AP9619 belongs to the NMC1 family and is already obsolete.  Luckily, I was able to find the firmware that would work for you.


Please see the link below to download the firmware executable, Network Management Card v3.7.2 Firmware for Symmetra 1-Phase with AP9617/8/9.


You may view this article to guide you with the Firmware Upgrade Process,  Video: How do I upgrade the firmware on an APC Network Management Card (NMC) or NMC embedded device ... 




Secure Power Team
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