Naming conventions:
Product_type_h/wRevision_s/wRevision_ValidArea_language_datecode.extension
Product_Howto_language_ Theme-with-description.extension 


DFE-528tx_ce_en_050101.pdf			CE-Declaration.

DFE-528tx_ds_de_050101.pdf			German Datasheet.
						Deutsches Datenblatt.

DFE-528tx_ds_revALL_100_ALL_en_050101.pdf	Datasheet.
						Englisches Datenblatt.