Access Control/How To Wire a RS485 Reader
How to wire Card Reader via RS-485 protocol
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.
- Dahua Card Reader