At 01:31 PM 2/12/97 -0500, you wrote: >I would appreciate your comments on the following thoughts/philosophy: > >The scope of the Low Voltage Directive excludes equipment "with a voltage >rating" (means powered from) -48VDC (or -48 to -60VDC) sources (including >ITE/Telecom equipment.) [Definition from EN60950 - Rated Voltage: The primary >power voltage as declared by the manufacturer.] > >If the equipment is ITE, it is included in the scope of EN60950. EN60950 has >no lower voltage limit and specifically includes equipment intended to be >connected to a telecommunications network. > >If the equipment is ITE and not Telecom, the equipment could be tested to >EN60950 as this is a relevant standard. Of course the equipment must be CE >marked persuant to the EMC directive. The Declaration of Conformity (DOC) >should refer to the EMC directive, but not the Low Voltage Directive.
On what basis would you test to EN 60950 since it is referenced in the LVD? Possibly the General Product Safety Directive? Please clarify. > >If the equipment is ITE/Telecom hybrid, the TTE directive requires (Article >4) that the equipment satisfy requirements for user safety and safety of >employees of public telecom networks operators. It also requires that the >equipment satisfy requirements for the protection of the public telecom >network from harm. Whether the LVD applies or not, safety is required. >Therefore equipment should be tested to EN60950 as this is the relevant >standard. CE marking would be required for the TTE and EMC directives, but >not the LVD as the DOC would show. Same questions from above. > >In conclusion, 48VDC ITE/telecom equipment should be tested to EN60950, but >CE marking, and the associated DOC, should not include reference to the LVD. > > >Thanks, > >R. Grant Pinto >[email protected] >Certification Engineer >Alcatel Data Networks >703-724-2759 >703-724-2132-fax > > Regards, Jody Leber [email protected] http://www.ltgservices.com LTG Services Suite 103 11940 Alpharetta Highway Alpharetta, GA 30201 (770)772-4299 Fax: (770)772-4297
