Simple UPS monitoring daemon v1.2 (supsd) uses a simple dumb serial cable (RS-232) connected to UPS/No-break Power Supply, in order to shutdown system when it gets running for a while using the battery power.-Simple UPS monitoring daemon v1.2 (supsd) uses a simple　dumb　serial cable (RS-232) connected to UPS/No-break Power Supply, in order to shutdown system when it gets running for a while using the battery power.