Congratulations, you’ve invented RS422, but you’ve lost the very useful bus nature of RS485. Signals are transmitted differentially. In place of one signal, there are two signals: one is ...

[André Sarmento] needed to connect a computer to an RS-485 bus. A simple converter can be sourced online, but the only thing he could find locally that was even close was a USB to RS-232 converter.

The internal bus controller (PC plug-in card) serves as an interface between the PC and the RS 485 network in access control and time recording systems. A maximum of 64 control units / terminals can ...