IBM System i Manual page 151

Attaching devices by using a system port
Note: The attachment of high availability cluster multiprocessing IBM (HACMP) cables to a system port on the back
of the server is not supported.
Connecting the power cords
__ You should route the power cords through the retention rings or under the retention brackets that are provided
to prevent the power cords from becoming unplugged unexpectedly.
__ If your workstation is equipped with a retention ring, route the power cord through the ring before you
plug it into the back of the workstation, as shown here:
139
Cabling your server