About: http://webisa.webdatacommons.org/191195218

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	A ???loss of signal??? (LOS) alarm generally indicates a problem with a TDM device, which may indicate, for example, a pulled or cut cable, or other problems.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com