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The Liebert PSI XR is a 2U, line-interactive UPS that may be installed in a rack or used as a tower UPS. Status indicators on the front of the Liebert PSI XR display load level, battery level, buck/boost, site wiring fault, overload, battery status and UPS operation. Controls include a combination On/Alarm Silence/Manual Self-Diagnostic Test button, an Off button and a Status Change button.
The Liebert PSI XR has USB, DB-9 (contact closure) and Liebert IntelliSlot ports. The DB-9 and USB ports provide detailed operating information including voltages, currents, and alarm status to the host system when used in conjunction with Liebert MultiLink software.
The Liebert PSI XR is compliant with the Restriction of Hazardous Substances Directive (ROHS), prohibiting use of six hazardous materials manufacturing of electronics, including lead-free solder.