American Megatrends StorTrends 3600i Setup Manual page 13

Slide the inner rack rail into its locking position. You will hear a snap when this happens
and the inner rack rail will become securely affixed to the side of the chassis.
Screw the inner rack rail to the side of the chassis.
Inner Rail Attached to Chassis
The inner rack rails are marked LH and RH, which corresponds to the left side and right side
of the chassis.
StorTrends® 3600i/3610i Dual Controller IP-SAN Storage Appliance Setup Guide
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Page 13