Transcription of Hardware Installation Guide - Access Control and Physical ...
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Hardware Installation Guide - Access Control and Physical ...
Hardware Installation GuideHardware Installation Guiderevision 1 3 Table of ContentsHardware Installation Guidelines .. 131. Inputs, Outputs and Interface Signals .. Power Inputs .. Alarm Inputs .. Reader Inputs/Outputs .. Relay Outputs .. RS-485 Communication Overview .. RS-232 Interfaces .. 192. System Wiring and Other Considerations .. General Wiring Considerations .. Mounting .. ground Wiring .. Alarm Input Wiring .. RS-485 Communication Wiring .. RS-232 Communication Wiring .. Weatherproofing.
The interchange of the AC NEUTRAL and SAFETY GROUND may result in ground current flowing through the power supply chassis and other ground paths, causing unreliable/improper system operation. The AC LINE input to Hardware power supplies is appropriately fused and switched. Local safety
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