APC Back-UPS CS 500VA Offline
Use any Home Automation network to monitor and control the S20 through its RS-232 serial port. For information on how to communicate with the S20, see APC's Application Note #102. Crestron and AMX installers should visit their respective websites for information on how to integrate the S20 into those networks.
Provides management of the UPS via a serial port.
Provides management of the UPS via a USB port (not available on all models).