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Figure2-18 Installing the bottom support rails
Mounting the switch in the rack
1.
Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.
2.
Verify that the mounting brackets and chassis rails have been securely attached to the switch
chassis.
3.
Verify that the slide rails or bottom support rails have been correctly attached to the rear rack
posts.
4.
Attach cage nuts (user-supplied) to the front rack posts and make sure they are at the same
level as the slide rails or bottom support rails.
5.
(Applicable to the S9855-48CD8D and S9855-24B8D switches) One person performs the
following operations:
a. Supporting the bottom of the switch, aligns the chassis rails with the slide rails on the rack
posts.
b. Pushes the switch slowly for the slide rails to smoothly slide into the chassis rails until the
mounting brackets are flush against the front rack posts. To ensure installation security,
make sure the slide rails slide out of the chassis rails a minimum of 20 mm (0.79 in).
6.
(Applicable to the S9825-64D switch) One person places the switch on the bottom support rails
attached to the rack. Then push the switch slowly into the rack until the mounting brackets are
flush against the front rack posts.
7.
The other person uses M6 screws (user-supplied, rust-proofed) to attach the mounting brackets
to the rack. Make sure the switch is installed level and secure.
As a best practice, use a torque of 30 kgf-cm (2.94 Nm) to fasten the M6 screws.
2-18
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