I GOT A CONSULT ABOUT THESE DEVICE, I RECENLTY BOUGHT TWO OF THEM, BUT AT THE BEGINING I JUST TO CONNECT 4 SWITCHES FROM CISCO TO THE PDU, WHICH PDU I HAVE TO BUY, BECAUSE I DON´T THINK SO THE OUTPUT IEC-320-C13 FROM DE MODEL APC AP7541 IT WORKS FOR ME.