User guide
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4 WALL MOUNT BRACKET INSTALLATION...................................................... 10
4.1 Component Installation .......................................................................................................................10
4.2 Wall Mount Installation Steps ............................................................................................................10
4.2.1 Installation Environments...............................................................................................................10
4.2.2 Installation Steps.............................................................................................................................10
5 IN-CEILING MOUNT BRACKET INSTALLATION ............................................ 13
5.1 Component Installation .......................................................................................................................13
5.2 Installation.............................................................................................................................................13
5.2.1 Installation Requirements ..............................................................................................................13
5.2.2 Installation Steps.............................................................................................................................13
6 APPENDIX Ⅰ THUNDER PROOF AND SURGE PROTECTION ....................... 16
7 APPENDIX Ⅱ ABOUT RS485 BUS ................................................................... 17
7.1 RS485 Bus Main Feature ...................................................................................................................17
7.2 RS485 Bus Transmission Distance ..................................................................................................17
7.3 The Problem in Practical Use ............................................................................................................17
7.4 RS485 Bus FAQ ..................................................................................................................................18
8 APPENDIX Ⅲ THE 24V AC WIRE GAUGE AND TRANSMISSION DISTANCE
RELATIONSHIP SHEET ..........................................................................................19