My cloud ex4 apc ups

My Cloud OS 3 Personal & Network Attached Storage My Cloud EX4
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my cloud ex4 Compatibility List what significance

Apc BR1500G UPS support it ex4?

http://www.wdc.com/en/products/products.aspx?id=1170#tab9

Uninterruptible Power Supply
Manufacturer Family Model
APC Smart-UPS SMC1000
APC Smart-UPS SMT750
APC Back-UPS ES BE500TW
APC Back-UPS ES BE550G
APC Back-UPS Pro BR1500G
CyberPower Smart App LCD UPS OR500LCDRM1U
CyberPower Intelligent LCD UPS CP1500AVRLCD
Tripp Lite Battery Back Up Tower AVR UPS Smart750USB
Tripp Lite Smart USB UPS Smart550USB
2

my cloud ex4 Compatibility List what significance apc br1500g ups the usb port can be connected to my cloud ex4? Br1500G can control ex4?

3

my cloud ex4 Compatibility List what significance apc br1500g？
ups the usb port can be connected to my cloud ex4?
Br1500G can control ex4?