Deploy .deb package on FX7500


i am developing a java embedded application for FX7500,

now, i can create the .deb package to be deployed on the reader.

what's the best method to do that ?

from the web console, i can see 'user applicatiopn page', from that i have tho sections 'Existing packages' and 'install new package'.

where should i put my .deb package to be listed on 'install new packages' list ?

i can access the reader via sftp with rfidadm user account.

my firmware version is 1.2.11


any help is appreciated.