No longer supported. It might or might not work for your use case.

CyberCard

Illustration

This PCB can be used in place of RMCARD205 in order to allow serial communication over USB for non-Windows operating systems.

Serial port is at 2400,8,N,1 and the following are some commands discovered to work by Jeff Hayes:

CommandResponseDescription
CCancel power off or reboot.
DReturns current data
P2Returns information about UPS hardware.
P4Returns information about UPS model.
S<0x2E>1Immediate power off.
S<0x2E>1R0000Immediate reboot.
S03Power off in 3 minutes.
S03R0003Reboot in 3 minutes.