Naming conventions: Product_type_h/wRevision_s/wRevision_ValidArea_language_datecode.extension Product_Howto_language_ Theme-with-description.extension DP-301u_fw_revAx_121_ALL_en_041022.zip Firmware for DP-301U. Firmware für den DP-301U. DP-301u_mib_revALL_100_ALL_en_040909.zip MIB-files for DP-301U. MIB-Dateien für den DP-301U. DP-301u_fw_revB_220b10_ALL_en_071111.zip Firmware for DP-301U. Rev. B Firmware für den DP-301U Rev.B