APC Smart-UPS manageability built-in SmartSlot accessory card slot APC Smart-UPS provides a built-in accessory slot, users can apply different accessory card into the slot of accessories and software to optimize and enhance the UPS management features . Accessory allows customers to remotely reboot equipment, monitor the UPS internal temperature, humidity, remote emergency power off. Connection Failure status indicator allows the user to understand the working status of the machine. Indicating that the content is simple, audible alarm prompts the user to the machine working status and faults. Load instructions load indicator can prompt customers do not receive too much load on the UPS. Battery capacity may indicate mains voltage lamps and battery capacity, users can calculate termination before the battery discharge load can also provide backup power for how long. When the battery is low, there will be a rapid alarm sounds, you need to save your data and safely shut down the system. Alarm sound alarm will prompt the user to change the machine working condition and battery status. Some alarms can be set by software, the software can make the most of the alarm sound or alarm delay appears to eliminate these settings to avoid alarm sound working environment impact management software PowerChute Business Edition, department-level management software, enabling IT administrators to safety shutdown systems, and management on the web