The maximum number of devices that can be controlled per serial port supporting RS-232 on a
home automation control unit at any one time is:
A.
1
B.
2
C.
3
D.
4
The maximum number of devices that can be controlled per serial port supporting RS-232 on a home automation control unit at any one time is:
The maximum number of devices that can be controlled per serial port supporting RS-232 on a
home automation control unit at any one time is: