Q-See QSD42208 사용자 설명서
User Manual for Commercial Series Net DVR
Page
107
Total
121
Appendix B DVR Connect Cable
Definition
1 How to make a RS-485 connect cable
Material and tool
One twist cable (8 pins), one standard RJ45 connector and one special tool for RJ45.
RJ45 introduction
Pin definition
Make the connect cable according the following;. The left point of RJ45 head, 1
st
and 2
nd
cables are the anode and cathode line for sending, 3
rd
and 4
th
cables are the anode and cathode line
for receiving, 7 is the shared grounding line:
Pin definition for Standard RS-485 serial port RJ45 plug-in
2 How to make a UTP network connect cable
Material and tool
One twist cable (8 pin, the length can be whatever is needed up to 100m), 2 standard RJ45 heads,
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 your actual needs, there are two options: