DriverMUX Tag Type Properties: Subordinate Drivers Tab
The Subordinate Drivers tab allows you to select the two drivers that the multiplexor will communicate with. Either of these may be another DriverMux tag, with its own primary and secondary device drivers.
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One of two device drivers that the DriverMUX tag can switch between. Depending on the purpose you intend use the DriverMUX tag for, this will normally be the device that will be used for the majority of I/O communications.
The other of the two device drivers that the DriverMUX tag can switch between. This could be any of a backup route of communication, a new system that you are switching to or even another DriverMUX tag, allowing you to configure three or more redundant lines of communication.