The Regulatory Authority of Post and Electronic Communications (ARPCE) is launching an open consultation for the preventive and corrective maintenance of a VERTIV LIEBERT UPS, type EXS, with a capacity of 80 KVA, equipped with a rack of 40 Marathon XL 12V 70AH batteries, of the Directorate of the Electronic Certification Authority (DAECE), located at the AECE headquarters.