Објављен
IEC 62851-1:2014 specifies the minimum requirements for a social alarm system allowing the vocal and/or visual communication between a person and a social alarm service. For people with disabilities (e.g. visual and hearing impairment), additional requirements not covered in this series of standards may apply.
ОБЈАВЉЕН
IEC 62851-1:2014 ED1
60.60
Стандард објављен
10. 4. 2014.