hr4110 default username or password does not work

hr4110 default username and password does not give me access to the wizard. also cannot ftp as login error and cannot telnet. had started a fimrware upgrade via ftp and deleted relevent files and uploaded all extract files except .rom. office then had power problems now unable to on power restore unable to access router.

Flashwriter will be able to resolve this.
Please see http://ftp1.digi.com/support/firmware/using_flashwriter.pdf for usage instructions.