Installation and configuration 18
Attaching the UPS front bezel
Connecting the serial communications port
CAUTION: Use only the computer interface cable supplied with the UPS to connect the
communications port to the host computer.
IMPORTANT: Power protector software requires the communications port to be appropriately
cabled to the host computer.
NOTE: This port is only used for firmware upgrades. For additional information, see "Updating
the UPS firmware (on page 43)."