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



DES-3226s_howto_de_Stacking.pdf		Howto configure Stacking with DES-3226s (German).

Dxx3xxx_man_en_8021x_06012005.zip	Configuration Examples for DXX-3XXX.