Appendix C  DVR Connect Cable 
Definition 
1  RS-485 connect cable made method   
        There  are  R+,  R-,  T+,  and  T-  on  the  RS-485  interface.  R+,  R-  here  are  for 
receiving signals, while T+, T- here are for sending signals. 
 
2  UTP network connect cable made method 
Material and tool 
        One twist cable (8 pin, the length can be defined as to the actual demand, but 
must be within 100m), 2 standard RJ45 head, one tool for RJ45. 
Suggestion:    have a network cable test tool to test each cable made. 
 
Pin definition 
To  make  the  network  cable  according  to  the  actual  situation,  there  are  two 
options: 
(1)  Use  the  following  method  to  make  the  network  cable  when  DVR  is 
connected with network hub or switch. 
 
 
The corresponding relationship of the direct cable 
(2) Use  the following  method to  make the  cross network  cable when DVR is 
directly connected with client-end PC.