Difference between revisions of "Access Control/How To Wire a RS485 Reader"

(Wiring Diagram)
(Wiring Diagram)
 
Line 11: Line 11:
  
 
==Wiring Diagram==
 
==Wiring Diagram==
[[File:rs485.png|800px]]
+
[[File:rs485.PNG|800px]]

Latest revision as of 21:19, 28 July 2021

How to wire Card Reader via RS-485 protocol

Description

This article is to show how to wire Dahua Card Reader to Dahua Access Controller using RS-485 Protocol.

An RS485 bus is capable of covering up to 1000m end to end, using twisted-pair cables. An RS485 bus can offer good immunity to electrical noise, making it ideal for interconnecting components around buildings.

Prerequisites

  • ASC1204C/ASC1204B
  • Dahua Card Reader

Wiring Diagram

800px