ETSI EG 201 147

Equipment Engineering (EE); Interworking between Direct Current/Isolated (DC/I) and Direct Current/Common (DC/C) electrical power systems Edition: 1.1.2
European Telecommunications Standards Institute / 01-Feb-1998 / 14 pages

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To prepare an ETR covering the interworking between systems designed to operate with a DC/I power supply and equipment designed to operate with a DC/C power supply