Installation  20 
Attaching the UPS front bezel 
 
 
 
Connecting the host computer 
 
 
CAUTION: Only one communications port can be connected to the host computer. Connecting 
more than one will result in unexpected UPS behavior. If an option card is installed, the serial and 
USB communications ports are automatically disabled. 
 
Connect the UPS to a host computer using either the USB cable or the DB9 serial cable included with the UPS. 
Install HP Power Protector on the host computer. See the HP website 
(http://www.hp.com/go/rackandpower) to download the latest version of HP Power Protector. 
 
  NOTE: To install and configure the software, see the software user guide. The software user 
guide is available for download from the HP website (http://www.hp.com/go/rackandpower).