Hope you are doing great !
Basically the devices that you need to reset are the access points ( white boxes on the ceiling ) the ICX 7150-C12P provide wired connection and Power to the Access Points.
I will leave you a common setups for Lennar home users to make sure the connections are correct
Most common Setups for Lennar homes users
In order to Factory reset the Wireless access point I will leave you the correct guide how to do it also there are some video links how to configure/ and factory reset process
Physical Factory Reset an Access Points Ruckus
Ruckus Unleashed Set-up using your Mobile