IBM System x3650 M3 4255 Installation And User Manual page 153

Ethernet ports
Chassis
Rubber
stopper
Attention: Make sure the port connectors on the adapter are aligned
properly with the chassis on the rear of the server. An incorrectly seated
adapter might cause damage to the system board or the adapter.
11. Slide the port connectors on the adapter into the port openings on the chassis;
then, press the adapter firmly until the two standoffs engage the adapter. Make
sure the adapter is securely seated on the connector on the system board.
Make sure the port connectors on the adapter do not set on the rubber
stopper. The following illustration shows the side view of the adapter in the
server.
Ethernet ports
Chassis
Rubber
stopper
Attention: Make sure the port connectors on the adapter are aligned
properly with the chassis on the rear of the server. An incorrectly seated
adapter might cause damage to the system board or the adapter.
Adapter
System board
Adapter
System board
Chapter 2. Installing optional devices
137