Dahua SD6C230U-HNI

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4.2.2 Installation Steps ................................................................................................................. 16

5 CORNER-MOUNTED BRACKET INSTALLATION ...................................... 19

5.1 Mounting Component and Dimension ................................................................................. 19

5.2 Corner-mounted Bracket Installation Steps ........................................................................ 19

5.2.1 Installation Conditions .......................................................................................................... 19

5.2.2 Installation Steps ................................................................................................................. 20

6 POLE-MOUNTED BRACKET INSTALLATION ............................................ 21

6.1 Mounting Components .......................................................................................................... 21

6.2 Pole-mounted Bracket Installation Steps ............................................................................ 21

6.2.1 Installation Conditions .......................................................................................................... 21

6.2.2 Installation Steps ................................................................................................................. 22

7 APPENDIX Ⅰ THUNDER PROOF AND SURGE PROTECTION

(OUTDOORS) .......................................................................................................... 24

7.1 Lightning Protection (Indoors) ............................................................................................. 24

8 APPENDIX Ⅱ ABOUT RS485 BUS ............................................................. 26

8.1 RS485 Bus Main Feature ....................................................................................................... 26

8.2 RS485 Bus Transmission Distance ...................................................................................... 26

8.3 The Problem in Practical Use ............................................................................................... 26

8.4 RS485 Bus FAQ ...................................................................................................................... 27

9 APPENDIX Ⅲ THE RELATIONSHIP BETWEEN AC 24V CABLE

DIAMETER AND TRANSMISSION DISTANCE ...................................................... 28

10 APPENDIX Ⅳ THE RELATIONSHIP BETWEEN DC 12V CABLE

DIAMETER AND TRANSMISSION DISTANCE ...................................................... 29

11 APPENDIX Ⅴ WIRE GAUGE REFERENCE SHEET ................................... 31

Dahua SD6C230U-HNI - Page 3