The AS400 relay card converts the RS232 signal of the “MegaTec” protocol into a true potential-free dry contact signal, and reflects the operating status of the UPS in real time through changes in the contact signal.

The AS400 relay card converts the RS232 signal of the “MegaTec” protocol into a true potential-free dry contact signal, and reflects the operating status of the UPS in real time through changes in the contact signal.