System Overview
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UPS
There are one external UPS in system to protect computer and right monitor in case of AC lost accidently, left monitor is not
protected by UPS, so when AC lost accidently, user still can see the content of right monitor while left monitor is blackout.
UPS output capacity is 550VA/330W, and can provide at least 2 minutes for computer and right monitor so that system can
shutdown computer safely.
UPS is booted up or shut down by PDU board, and communication with computer by USB interface.
UPS Overview
Communication and Control
Middle of 5 (in red circle) used as output