NEC NF2300-SR412E User Manual page 88

When you have placed the additional control card correctly, push both sides
(indicated by the bold arrows in the figure below) of the connector on the card with
your thumbs until fitting in the connector firmly.
After confirming that the connector is fit in, firmly secure the additional control card
with five screws - two screws you removed in "(5) Removal of blank panel" and
three screws provided with the additional control card. Fasten the screws of the
front panel while pushing them from top so that the lined faces will be aligned.
When installing the additional control card to the controller, push it as far
as it will go and then secure it with the screws.
Incorrect installation may cause malfunction.
Install the separately purchased additional cache memory into the additional control
card.
Install the required number of additional cache memories into connectors CHE4 to
CHE7 according to the following procedure:
• Open the socket levers, and install the cache memory, fitting the two recesses of
the cache memory to the protrusions of the socket.
• Confirm that they are fit correctly. Until the cache memory is secured by the
levers, push the cache memory along the connector rail as far as it will go. Be
careful not to apply excess force to the cache memory in doing so.
• The levers fit into the notches of the cache memory and secure it.
When inserting the cache memory into controller, push it as far as it will
go and then secure it with the levers.
Incorrect insertion may cause malfunction.
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