Fan Module And Power Supply Requirement - Juniper ACX5448-D Hardware Manual

Figure 33: Air In Airflow Through ACX5400 Chassis—AFI
Ports
Figure 34: Air Out Airflow Through ACX5400 Chassis—AFO
Ports

Fan Module and Power Supply Requirement

Do not mix PSMs with different airflow. If the PSMs are color-coded, ensure they are either all azure blue
for the airflow-in (AFI) models or all gold for airflow-out (AFO) models. If the PSMs are not color-coded
but have a label, ensure that the chassis is either using all airflow in (AFI) or using all airflow out (AFO).
Likewise, ensure that all fan modules have the same airflow and match the airflow of the PSMs. Fan modules
are also color-coded either azure blue for airflow in or gold for airflow out. If the fan module has a label
instead of being color-coded, ensure that labels (AIR IN and AIR OUT) are not mixed. If the fan modules
FRUs
FRUs
50