Appendix C: Dvr Connect Cable Definition; How To Make A Rs-485 Connect Cable - Q-See QSD42908C8 User Manual

Appendix C: DVR Connect Cable

1 How to Make a RS-485 Connect Cable

Material and tool
One twist cable (8 pins), one standard RJ45 connector and one tool special for RJ45.
RJ45 introduction
Pin definition
Make the connect cable according the following; to left point of RJ45 head, 1
are the anode and cathode line for sending, 3
receiving, 7 is the shared grounding line:
QSD42908C8 User's Manual
Definition
rd
Pin definition for Standard RS-485 serial port RJ45 plug-in
th
and 4 cables are the anode and cathode line for
93
st nd
and 2 cables