The Tripp Lite Measuring ATS/Auto Transfer Switch provides a redundant power supply option for single-cable network devices. Two input cables support a separate connection to PRIMARY and SECONDARY power sources. The ATS function maintains a continuous power supply to all outputs derived from the primary input cable. As soon as the primary power source becomes unstable or fails, the ATS switches to the secondary power source until the primary input is restored and stable. Super-fast switching between primary and secondary power sources takes place within milliseconds. ATS functionality is supported regardless of the phase angle of two compatible AC power sources to ensure a variety of advanced redundant power supply applications. This PDU even provides fault-tolerant UPS protection when using a single UPS including hot swap function and fully redundant UPS protection when 2 separate UPS systems are connected. When connecting two UPSs, the primary input cable must supply pure sine wave power from an online UPS with zero transmission time. The Tripp Lite SmartOnline series is highly recommended for use as a primary UPS in a dual UPS application. In addition, this PDU has fully compatible ATS configurations for separate power circuits, emergency power generators and even separate feeds into the public power grid. The integrated ATS processor continuously evaluates the power quality of both input sources to prevent transmission to the secondary source when it is not available or is of lower quality than the primary source. The LED indicators on the front inputs indicate primary or secondary current availability.This text is machine translated.