QSD42908C8 User’s Manual93Appendix C: DVR Connect CableDefinition1 How to Make a RS-485 Connect CableMaterial and toolOne twist cable (8 pins), one standard RJ45 connector and one tool special for RJ45.RJ45 introductionPin definitionMake the connect cable according the following; to left point of RJ45 head, 1st and 2nd cablesare the anode and cathode line for sending, 3rd and 4th cables are the anode and cathode line forreceiving, 7 is the shared grounding line:Pin definition for Standard RS-485 serial port RJ45 plug-in
