Digital Video Network Surveillance System
Unisight Digital Technologies, Inc
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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.
