If you turn it off (right off), then the Maestro has no way of seeing the radio on the network. The same is true for SmartSDR.
Jim, I use an IP power strip to turn on and off a 12v relay that shorts the remote RCA. I have some friends that use a Wimo to do the same. https://www.amazon.com/Managed-Designed-Manufactured-Synaccess-Networks/dp/B0039OZKPE https://www.amazon.com/s/ref=nb_sb_noss_2/153-3739096-2749960?url=search-alias%3Delectronics&fie...