The LED on the front of my Collaborate Live 600/900/1000 changes colors, what do the colors mean?

The LED on the front of my Collaborate Live 600/900/1000 changes colors, what do the colors mean?

Blue – system is up and running and ready for control. 

Red –  when turning off the system ( for split second).

Green – system initializing .

Purple – Sleep mode / standby mode. 

Orange – for a second before sleep mode.