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



DFL-1600_fw_revA3_2-27-03-25_all_en_20111209.zip	Firmware 2.27.03.25

DFL-1600_fw_revALL_2270211_ALL_en_100913.zip		Firmware 2.27.02.11

DFL-1600_fw_revALL_2260110_ALL_en_100129.zip		Firmware 2.26.01.10

DFL-1600_sw_revALL_2200212_ALL_en_080806.zip		Firmware