About: http://webisa.webdatacommons.org/455498667

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Furthermore, the digital signals and power may be electrically isolated by means such as opto-isolators or transformers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com