Atem Television Studio Software For Mac

Several attempts to connect my BMD ATEM Television Studio (TS) to my IMac running OSX does not want to connect to my chassis. I plugged in a USB cable to my chassis and IMac to allow me to run the ATEM System utility to determine the IP, SubNet, and Gateway addresses. Everything checked out and the IP address listed for the chassis was correct. Firmware for the ATEM TS is updated and running v.3.0.
One solution I found was to power cycle my chassis overnight and come back the next day to find that it's all fixed. I hope this makes me a happy customer, but I don't like the method. This unit is only 3 months old and makes me fear the integrity of the unit to last.

The alternative power supply for ATEM Television Studio has an IEC port. The 'Power Supply - UltraStudio 12V30W' can be ordered through Blackmagic Design resellers. Page 134: Getting Help ‚ On Mac OS X, open ATEM Software Control from the Applications folder. Select About ATEM Software Control from the application menu to reveal the version. For the ultimate in creativity and control, ATEM Television Studio HD includes a free, elegantly designed software control panel for Mac and Windows. You can use the switcher and parameter palettes to switch cameras live, change transitions and adjust key settings.

Any suggestions would be most helpful to solve my issue(s).
Thanks in advance for your help.
David JeanHi guys,
My ATEM Production Studio 4K (bought new a couple of months ago) isn't connecting via the ethernet port.Blackmagic atem television studio manual
The Mac Pro's ATEM Software Control cannot see the switcher by ethernet connection. The ATEM setup utility sees the switcher via USB connection and apparently an assigned IP address.
When I check Networking in Mac, I see the ethernet has a self-assigned address (169.254.58.35). This isn't the address that pops up in the Setup Utility when I connect the USB cable (starting with 192.*.*.*). I'm not a networking expert, but I'm also not a novice.
It seems something's up with the ethernet in the switcher. The switcher outputs video without any problems via SDI and HDMI. But it's pretty much a paperweight now.
This happened after we left the switcher on for several days at a time, for the first time. We usually turn it off after each production, since we produce only 1-2 days per month and since we've been having some cooling issues in the control room (83-84 degrees).
Already tried:
-Updating firmware
-Downgrading firmware (per BMD staff advice on Black Magic forum)
-Swapping network cables
-Swapping network ports on the Mac Pro
-Rebooting MacPro more than once
-Rebooting switcher (waited with switcher off for more than two weeks for the most recent reboot)
-Connecting to another Mac (same issue)

Atem Television Studio Software Download Mac

Everything worked marvelously, before this.