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The Tripp Lite 120V 20A metered PDU system with Automatic Transfer Switching (ATS) is a (16) outlet PDU with digital display to indicate total PDU current usage in amps. Outlets are sequentially turned on at 250 milliscond intervals when the PDU is first energized from an unpowered state to prevent inrush-related equipment interaction on startup. 1U rackmount installation in a 2 or 4 post rack is supported.
The integrated ATS is used when two separately derived input power sources are available. The attached power cord serves as the primary AC input cable, while the included detachable power cord serves as the optional-use secondary AC input connection. The PDU system passes the primary input power through to connected equipment whenever line voltage and frequency levels are normal. If the primary input source goes outside of these tolerances or fails altogether, the ATS will automatically switch all PDU output to the secondary line sourced input power (when available) to maintain continuous operation of connected loads without reboots or service interruptions. Once the primary power source is restored, the PDU will automatically switch back to primary sourced input power. The dual input cabling can be configured for UPS maintenance bypass of standard UPS systems or to create a redundant dual-UPS power source for a critical, single-corded network device.