Basics of the RS-485 Standard
What is an RS-485 network?
RS-485 allows multiple devices (up to 32) to communicate at
half-duplex on a single pair of wires, plus a ground wire
...
Cable Selection for RS-422 and RS-485 Systems
...e specifications
Selecting data cable for
an RS-422 or RS-485 system isn't difficult, but often gets
lost in the shuffle of larger syste...
Port Powered Serial Converter FAQ
... being powered?
By measuring the voltage across the input lines of an RS-422/485
port powered converter, you can determine if the port is supplying
...
System Design With Port Powered Converters
...RS-232 port. The second is the amount of power dissipated
in the RS-422 or RS-485 system.
Power Dissipation
Power is consumed by the fol...
Tips for Using Port Powered Converters
... from the RS-232 port and the Power Dissipated by the RS-422
or RS-485 system.
Power Dissipation
The power dissipated when
...