Badly the LAN Port was broken / blocked so it turn off, I don't know for sure what happen with the LAN Port.
My DVR image similar like this : http://www.szcxing.com/product/showproduct.php?lang=en&id=114
So what I must to do to reset this DVR, I already tried 'NULL', '1234', '123456', '000000', etc. Even I already trying Super Password Application.
Thank you