Tripp Lite's RELAYIOCARD allows users to communicate UPS status and events via six configurable contact closure outputs. Installs in any expansion slot-equipped SmartOnline and select SmartPro UPS systems*. Enables monitoring and control of UPS conditions and events. Provides input signal relay contact to perform remote UPS system shutdown or battery tests. *NOTE: SmartPro UPS systems including SMART1050SLT, SMART1500SLT, SMART2200RMXL2U, SMX1050SLT, SMART3000SLT, SMART2200SLT, SMART2200NAFTA, SMART2600RM2U, SMART3000RM2U, SMART1500CRMXL, SMART1500SLTXL, SMART750XLa, SMX30000XLRT2U, and SMX2200XLRT2U. Supported systems must run UPS protocol 3008 or above. Works with all Tripp Lite Smart Online series models (beginning with "SU"), does not work with SU10KRT3/1X, SU3000RTXL2U, and SUINT3000RTXL2U.