Protect servers, switches, networking devices and point-of-sale equipment with the APC Smart-UPS On-line 6000VA. APC Smart-UPS On-line provide backup battery power during power outages and continuously safeguard devices from fluctuating power conditions and surges. With premium protection and simplified management, the 6000VA UPS ensures consistent and reliable connectivity at the most critical moments. APC Smart-UPS On-Line provide high density, true double-conversion on-line power protection for servers, voice / data networks, medical labs, and industrial applications. This On-Line UPS features Unity Power Factor for best-in-class power density. With 6 outlets and a compatibility with external battery packs, this server UPS provides uninterrupted and scalable battery power to connected electronics. Connect to 10 of the SRT192RMBP external battery packs to increase the amount of time the UPS can provide battery power to devices (battery packs sold separately). This UPS includes a pre-installed Network Management Card (model AP9631) via the SmartSlot, to remotely monitor and control the UPS by connecting it directly to the network. A temperature sensor is included to monitor changes in temperature of your devices Use the intuitive LCD interface and PowerChute Business software to configure settings and monitor usage. Audible alarms also provide notification of changing utility power and UPS conditions. The SRT6KRMXLT converts from a tower or stand-alone UPS to a rack mount UPS, offering flexibility in various installations. This 6000 watt UPS offers a green mode to ensure you are operating at the highest level of efficiency while it's smart battery management maximizes performance. A built-in energy meter measures energy use and displays UPS efficiency in various modes of operation for easy energy tracking. Two switchable outlet groups are included for individual load management. Predictive battery management provides an estimated date of when battery replacement is recommended. Package Contains UPS, CD with software, Documentation CD, Installation guide, Rack mounting brackets, Rack mounting hardware, Rack mounting support rails, Temperature probe, USB cable, Warranty card, Web/SNMP management card.