The server exhausts heat out the rear of the server. As shown in the following illustration, always measure the ambient airflow temperature and humidity 2 inches (50 mm) in front of the server and between the power supplies.
For a SPARC M8-8 or SPARC M7-8 server, measure the temperature 2 inches (50 mm) in front of the power supplies of the server.
For the SPARC M7-16 server, measure the temperature 2 inches (50 mm) in front of the power supplies of the switch and the two CMIOU chassis.
See Environmental Requirements for the ambient temperature and humidity ranges.