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Cisco ONS 15540 ESPx Hardware Installation Guide
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Chapter 2 Installing the Cisco ONS 15540 ESPx
Powering Up the Shelf
of space between the chassis and the power shelf or in a directly adjacent rack.
The external power shelf is a 19-inch (483 mm) wide rack mount shelf, 3.5 inches
(86 mm) high and 12 inches (305 mm) deep.
To install the 15540-ACPS-N-E external power shelf in an equipment rack, follow
these steps:
Step 1
Align the mounting holes of the external power shelf with the mounting holes in
the equipment rack.
Step 2
Secure the external power shelf using eight (four per side) 12-24 x 3/4-inch
screws through the holes in the external power shelf and into the threaded holes
in the mounting post. (See
Figure 2-31 Installing the 15540-ACPS-N-E External Power Shelf in the Rack
Step 3
Use a tape measure and level to ensure that the external power shelf is installed
straight and level.
Step 4
Remove the spacer bar after the external power shelf is secured to the rack.
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