Browse FAQs



What does the "Reset ATS Controller" command accomplish on a Next Gen Rack Automatic Transfer Switch (ATS)?
Resetting the ATS controller will cause the ATS to switch back to Source A regardless of the ATS preference settings.
Common Rack Automatic Transfer Switch Scenarios and Questions
When both sources are available and stable, the ATS will switch back to its preferred source after a 30 second wait period.
How switching works in the fourth generation rack automatic transfer switches (AP44XX)
seconds, if the preferred source become stable again, the ATS will switch back to the preferred source.
INFORMATION BULLETIN - Upgrading Rack ATS Firmware (AP77XX) - potential to permanently damage ATS during download
The ATS will begin to switch sources back and forth and ... damage to your ATS as well as drop ... connected downstream of the ATS .
Why is my Rack Automatic Transfer Switch inaccessible after a firmware upgrade?
When the ATS replies (successfully pings), quickly return back to the upgrd_util.exe
Can I use anything besides the APC provided mounting screws to rack mount my Rack PDU or ATS?
Issue Can I use third party mounting hardware to mount my Rack PDU or Rack ATS in my Rack ?
Why does my Rack ATS (AP77XX) lose snmpv1 communication with my StruXureWare device or ISX Manager?
Issue My Rack ATS (AP77XX) is losing snmpv1 communication with my StruXureWare device, ISX Manager, or other SNMP NMS periodically.
Does pressing the Reset button on a Metered or Switched Rack PDU or Rack ATS cause the outlets to reboot?
Does pressing the pinhole reset button on a Metered or Switched Rack PDU or Rack ATS cause the outlets to reboot or disrupt power in ...
Rack PDU/ATS NMC firmware compatibility
Product Line Rack ATS (ap77xx, ap44xx)
What does it mean when all of the LEDs on the left of my AP77XX Rack Automatic Transfer Switch (ATS) front panel are illuminated?
All of the LED indicators on the front left of my Rack ATS are illuminated. See below for the specific LEDs.


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