your Macintosh keyboard, mouse & trackball.
it works: The ADB100 sender unit is placed next to the Macintosh computer.
The ADB cable connects the CPU and the ADB100S sender unit. A Link cable
(RJ-11) is used to connect Sender and the Receiver. The ADB100R is placed
in close proximity to the extended keyboard location . The extended
keyboard is connected to the ADB100R.