The RS 485 conversion board is used to connect card readers to the 1838 Access plus units. Each board can handle up to 2 readers at each access point. Each 1838 can hold 6 conversion boards.
The RS 485 conversion board is used to connect card readers to the 1838 Access plus units. Each board can handle up to 2 readers at each access point. Each 1838 can hold 6 conversion boards.