The PRS-7910G Station Manager is designed for the highest standards of performance,safety and reliability to meet requirements of a complex substation automation system (SAS).As a part of the SAS,it works as a station communication manager or protection management system,which collects,stores and maps signals and protection information of relays,measurement units,control units and other IEDs in the substation to transmit to the higher-level systems such as control center(CC)and distributed control system (DCS).