Asus RS162-E4/RX4 - Manual (Page 42)

Chapter 2: Hardware setup -
To remove the system fans:
1. Disconnect the fan cable from
the fan connector on the
backplane board.
2. Lift the fan, then set aside.
3. Repeat steps 1-2 to remove
other fans.
To install the system fans:
1. I n s e r t t h e f a n t o t h e f a n
cage. Take note of the airflow
embossed on the fan side
2. Connect the system fan cable
to the fan connector on the
backplane board.