Battery and surge protected outputs, integrated protection for telephone / fax / modem lines, software for safe shutdown of the system with advanced power management features, and proactive audio-visual alerts protect office systems and valuable data from surges, surges, and power outages. The Back-UPS CS 500 can be connected via USB as well as via a serial interface for quick and easy installation. The maintenance is also comfortable because the battery can be replaced by the user during operation. With these features, the Back-UPS CS 500 provides ideal protection for your office and home office systems.