Installation 19 
 IMPORTANT:  Power management software requires the communications port to be appropriately cabled 
to the host computer. 
 
 
Connecting the REPO port 
 WARNING:  The pins on the REPO port are polarity sensitive. Be sure to verify polarity 
while connecting the REPO port. 
 
 WARNING: To meet the requirements stated in NEC (NFPA 70) Articles 645-10 and 645-
11, a UPS installed in a computer equipment room must be connected to a REPO circuit.