INSTALLATION
 Eaton 9135 Two-in-One UPS (5000/6000 VA) User's Guide  S  164201726 Rev 3 www.eaton.com/powerquality
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4. If you plan to install power management software, connect your
computer to the USB port or RS-232 communication port. For
RS-232, use only the serial cable supplied in the accessory kit. For
more information about communication options, see page 57.
RS-232 Communication Port
RS-232 Communication Cable
Figure 18. Installing the RS-232 Serial Cable
5. If you are installing a remote power-off (RPO) switch, see the
following section, “RPO Installation,” to install the switch before
powering on the UPS.
6. Continue to “UPS Electrical Connections” on page 38.