The 9300T uses a propriety disk operating system. Software exists for the PC which is based on running a command window (DOS) utility though there is a post on this forum that indicates a GUI add on for windows exists that allows the files to be located and copied. You would need to remove the drive and connect it to a PC (easiest way is i slot in USB drive caddy. The recordings are in a transport stream container (.ts), once you have these on a PC you have the option of copying then to a 5000T or playing them back with the 5000T over a home network.
I never had a 9300T but I did have a 9200T, it was possible to copy files (rather slowly) to a PC using USB. My memory may be a bit dimmed as I had a Topfield 5800 at the same time one copied to a PC directly using USB and the other to USB mass storage device connected to the pvr.
Not sure if the usb export capability made it to the 9300T.