V
Table of Contents
Foreword
.................................................................................................................................................... I
Important Safeguards and Warnings
.................................................................................................... III
1 Installation Preparation
........................................................................................................................ 1
1.1 Basic Requirements
...................................................................................................................... 1
1.2 Installation Check
......................................................................................................................... 1
1.3 Cable Preparation
......................................................................................................................... 1
1.3.1 Video Cable Requirements
.................................................................................................. 1
1.3.2 RS-485 Cable Requirements
................................................................................................ 2
1.3.3 Selecting Power Cable
......................................................................................................... 2
1.3.3.1 Power Cable
.................................................................................................................. 2
1.3.3.2 PoE Power Cable
.......................................................................................................... 3
2 Cables
..................................................................................................................................................... 4
2.1 Cable Description
.......................................................................................................................... 4
2.2 Cable Connection
.......................................................................................................................... 5
2.2.1 Alarm Cable Connection
...................................................................................................... 5
2.2.2 Thunder-Proof Cable Connection
....................................................................................... 6
2.2.2.1 Outdoor
.......................................................................................................................... 6
2.2.2.2 Indoor
............................................................................................................................. 8
3 RS-485 Cable
........................................................................................................................................ 10
3.1 Basic Features
............................................................................................................................. 10
3.2 Common Issues in Use
.............................................................................................................. 10
3.3 FAQ on RS-485 Cable
................................................................................................................. 11
4 Wi-Fi Performance
............................................................................................................................... 12
5 Cable Diameter (24V AC) and Transmission Distance
.................................................................... 13
6 Cable Diameter (12V DC) and Transmission Distance
.................................................................... 14
7 Cable Diameter (24V DC) and Transmission Distance
.................................................................... 15
8 Cable Diameter (30V DC) and Transmission Distance
.................................................................... 16
9 Cable Diameter (36V DC) and Transmission Distance
.................................................................... 18
10 Wire Gauge Reference Sheet
........................................................................................................... 20
Appendix 1 Cybersecurity Recommendations
................................................................................... 21
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