Answer:

Provision a Primary Receiver Node (PRN) using a Mac® and a USB Connection

1. Plug PRN into USB port on Mac^®
2. Open Terminal program
3. Input screen /dev/tty.usbmodem1421 115200 (this command allows communication with PRN)
4. Input JR (this command erases the table of sensors on the PRN)
5. Input J1 (this command enables joining mode)
6. Look for desired sensor’s ID to display within Terminal program
7. Input J0 (this command disables joining mode)
8. Input LA? (this command displays the sensors that are currently joined)
   
9. Close Terminal program
10. Unplug PRN from USB port on Mac^®