3Com Powerware Uninterruptible Power System Prestige Series Installation And Operator's Manual page 68

Communication
62 Powerware
Select the AS400 option if you are using OnliSafe software to
monitor the UPS.
The Custom Configuration option has two screens: the first screen
has options available for inverter shutdown, and the second
screen has options available for the contact configuration.
Consult your shutdown software documentation for details on
the required signal states for configuring LAN communications.
® Prestige Series Installation and Operator's Manual for IBM Applications (3000 VA) Uncontrolled Copy