Bricked Dahua DVR after upgrade

[besbes_bechir 0]

Hello,

 

I upgrade Dahua 0804LF-AS after i upgrade it got black screen .

how can i upload it over RS232 or JTAG it if possible

I dont have in the DVR any port of RS232

as i seach on net it has 4pinout for RS232 but need for interface to upload it

[iTuneDVR 2]

Hello,

 

I upgrade Dahua 0804LF-AS after i upgrade it got black screen .

how can i upload it over RS232 or JTAG it if possible

I dont have in the DVR any port of RS232

as i seach on net it has 4pinout for RS232 but need for interface to upload it

 

You need TTL-RS232 adapter, null modem cable, PC with real COM port, hyperterminal, TFTP server and knowledge

 

On the Internet a lot of instructions on how to restore Dahua TFTP!