Cisco BPX 8620 Installation And Configuration Manual page 184

Installing a BPX Switch in a Cisco Cabinet
An extra set of support brackets may be mounted to the rear rails at the top back of the shelf. The brackets
Step 6
prevent any upward movement of the shelf.
Note
Step 7 Remove the temporary support brackets and spacer bar.
If this is a DC-powered shelf, proceed to Chapter 10, "Installing the DC Shelf."
Step 8
If this is an AC-powered shelf, proceed to Chapter 11, "Installing the AC Shelf."
Step 9
Cisco BPX 8600 Series Installation and Configuration
8-4
If another device is installed above the BPX shelf, you can use the extra set of support
brackets at the top of that device, rather than at the top of the BPX shelf.
Chapter 8 Installation with Cisco Cabinets including 7000 Series Routers
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005