Dahua TFTP Upgrade instructor

TFTP upgrade instructor

PROPERTY RIGHTS RESERVED

1、Hardware Environment & Connections

1） For RS232 operation, the devices are as follows:

PC, RS232 Cable, DVR, network cable
If there is only laptop computer, USB to RS232 cable is required.

2） Connection Mode is as follows:

PC --- RS232 cable --- DVR
PC--- through network --- DVR
DVR to laptop computer DVR to pc

2、TFTP Upgrade

1）Unzip the upgrade software to you PC

make sure there are this two files

armboot-x.bin.img

update.img

2） Run TFTP server

A、Run TFTP server: TFTPServer_En.exe
B、Set the upgrade route in the TFTP server, please see the picture below

3） Run NOCM in your computer, the com set is as follows:

4） See RS232 parameter

A、Restart the DVR ，press“ * ”key of your PC keyboard 3 times (upper right on

number pad) when the words Hit any key to stop autoboot are on screen.

B、Now you can enter TFTP menu, and will see s3c2510 # in the screen