IC Realtime PTZ-2801WDR: High Speed PTZ Dome Camera with 28X Zoom User Manual
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7.2
RS485 Bus Transmission Distance................................................................................................................37
7.3
Connection Methods and Terminal Resistance ...........................................................................................37
7.4
The Problem in Practical Use..........................................................................................................................38
7.5
The Problem in Practical Use..........................................................................................................................38
7.6
RS485 Bus FAQ................................................................................................................................................39
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APPENDIX TOXIC OR HAZARDOUS MATERIALS OR ELEMENTS........................ 40