Now in Setting go-to 'Preferences' section and Turn USB debugging On and also Network debugging (if available.)
Open your Android TV settings, and select About, scroll down to Build, and tap on it seven times, and this will turn on the “Developer Options.”
The process is almost identical to the way how we did it wirelessly on Fire TV. How to connect adbLink to other Android TVs using a USB Cable? Below i have found something that would help you do so.