Cisco IPS-4255-K9 - Intrusion Protection Sys 4255 Installation Manual page 114

Installing the Rail System Kit
Line up the bracket on the slide assembly with the rack holes, install two screws (top and bottom)
b.
on each end of the slide assembly.
Repeat for each slide assembly.
c.
Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.0
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Chapter 4 Installing the IPS 4270-20
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