2-Post Rack Installation 1-3
Two-Post Rack Installation
The two-post rack kit is used to install a system in a two-post, open-frame relay rack, such as
those found in telecommunications equipment facilities. Both 3-inch and 6-inch wide two-
post racks with universal-hole spacing or wide-hole spacing are accommodated. You can
install this kit in a center-mount or a flush-mount configuration. The two-post kit
incorporates slide assemblies that enable the system to be pulled out of the rack for
servicing.
You must properly secure the two-post, open-frame relay rack to the floor, the ceiling or
upper wall, and where applicable, to adjacent racks, using floor and wall fasteners and
bracing specified or approved by the rack manufacturer or by industry standards. See the
two-post, open-frame relay rack manufacturer’s installation documentation for
precautionary warnings before attempting this installation.
CAUTION: Do not attempt to install the system into a two-post, open-frame relay
rack that has not been securely anchored in place. Damage to the system and
personal injury to yourself and to others may result.
See "CAUTION: Safety Instructions" at the front of this document for additional safety
information regarding rack installation.
Recommended Tools and Supplies
You need the following tools and supplies to install the system in a two-post
open-frame relay rack:
• #2 Phillips screwdriver
• 11/32-inch wrench or nut driver (if changing to a flush-mount configuration)
• Masking tape or felt-tip pen to mark the mounting holes
Rack Kit Contents
The two-post rack kit includes the following items (see Figure 1-1):
• One pair of slide assemblies (two-post)
• One stiffening bracket
• One cable-management arm
• One status indicator cable
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