network hub or switch.
(2) Use the following method to make the cross network cable when DVR is directly
connected with client-end PC.
3 RS-232 connect cable made method
Material and tool
One twisted cable (8 pins), one standard RJ45 head, one or more DB25 or DB9 plug-in, a
tool for RJ45, one electric iron, and some soldering tin.
User Manual of NVR Series DVR
The corresponding relationship of the direct cable
The corresponding relationship of cross cable
98
P a g e
Total
104