IBM 3401-A00, Appliance Manual

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Lock the rail tabs
Both chassis rails have a locking tab, which locks the appliance in place when:
v Installed and pushed fully into the rack.
v Extended fully from the rack so it does not come out of the rack when pulled out for service.
Install the appliance into the rack
The inner rails can now be attached to the appliance chassis and the outer rails to the rack.
CAUTION:
When you are ready to install the appliance in the rack, you might need a lifting device. Alternatively,
use 2 - 4 individuals to place the appliance in position and begin inserting it into the rack rails.
To install the appliance into the rack:
1. Line up the rear of the chassis rails with the front of the rack rails.
2.
Slide the chassis rails into the rack rails, keeping the pressure even on both sides, as shown in the
following figure. You might have to depress the locking tabs when inserting. When the appliance is
pushed completely into the rack, you can hear the locking tabs click into the locked position.
Figure 9. Final outer rail assembly and mounting
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IBM Cloud Object Storage System: Accesser 3105 Appliance Manual 3409-A00/3401-A00/3403-A00