Proplem with Decode video recoder 2.0 AHD when connect modem

[anhtam9x 0]

My company imported some Decode video recoder 2.0 Megapixel .we get big prolem with Network port

 

-When i connect my DVR with mycomputer in location network (LAN) then i can controll menu a normal , my dvr actived very good.But when i connect myDVR to modem(Wlan) to open port or setup (DDNS) I undercontrol my DVR i cant acess main menu in srceen on TV (because i connect my DVR to TV as VGA).about 30 seconds my drv was unwork.and it was stoped.!!

 

Before plug portnetwork DVR with modem

http://www.upsieutoc.com/image/Dwai

 

Decode video recoder is normal

 

After connect DVR with modem ---->> GEt Proplem!!!

 

http://www.upsieutoc.com/image/Dwyt

 

please help me ! EVERYBODY CAN GIVE AWSER TO MY EMAIL (anhtam9xtb@gmail.com) or coment in this box .thank so much !