If you have read the full thread, there is an URL for the image download page. Once downloaded, the ZIP archive contains the software (both .cim and .startup.cim files), the release notes and the SNMP MIB files.
URL for the download page: https://h10145.www1.hpe.com/downloads/DownloadSoftware.aspx?SoftwareReleaseUId=11635&ProductNumber=J9846A&lang=&cc=&prodSeriesId=&OrderNumber=&PurchaseDate=
URL for the TFTP procedure document: http://h20565.www2.hpe.com/hpsc/doc/public/display?sp4ts.oid=6898336&docId=emr_na-c04514138&docLocale=en_US