Difference between revisions of "Access Control/How To Wire a RS485 Reader"
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Revision as of 16:28, 19 July 2018
Contents
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
