Acer Altos R920 Series User Manual page 177

4 Install the server into the rack.
Caution! To avoid personal injury, care should be taken when
pressing the inner rail release latches and sliding the component
into the rack.
(1) Carefully align the inner rails attached to the server with the
fully extended mounting rails on the rack.
(2) Press the release latch on both sides of the server (A).
(3) Insert the inner rails into the mounting rails, then push the
server into the rack until you hear a click sound (B).
(4) Secure the server to the rack using the two front panel
thumbscrews (C).
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