QSC26404 User’s Manual

Appendix C: DVR Connect Cable

Definition

1 How to Make a RS-232 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; to left point of RJ45 head, 1st and 2nd cables are the anode and cathode line for sending, 3rd and 4th 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:

(1)Use the following method to make the network cable when DVR is connected to a network hub or switch.

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Q-See QSC26404 user manual Appendix C DVR Connect Cable Definition, Material and tool, RJ45 introduction Pin definition