Push the front of the Modular Server into the Module Enclosure to the end slowly and carefully until the card edge is inserted into the connector.
Make sure that a hook of the lock lever is engaged with the hole on the Module Enclosure as shown in the figure below.
7.Close the lock lever slowly.
If the lock lever is not fully closed, check the hook position according to the previous step. The lock lever and/or the Module Enclosure may be damaged if the lock lever is forcedly closed with loose engagement.