Rack Installation - Cisco ONS 15454 Reference Manual

Chapter 1 Shelf and Backplane Hardware
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1.2 Rack Installation

The ONS 15454 is mounted in a 19- or 23-in. (482.6- or 584.2-mm) equipment rack. The shelf assembly
projects five inches (127 mm) from the front of the rack. It mounts in both Electronic Industries Alliance
(EIA) standard and Telcordia-standard racks. The shelf assembly is a total of 17 inches (431.8 mm) wide
with no mounting ears attached. Ring runs are not provided by Cisco and might hinder side-by-side
installation of shelves where space is limited.
The ONS 15454 measures 18.5 inches (469.9 mm) high, 19 or 23 inches (482.6 or 584.2 mm) wide
(depending on which way the mounting ears are attached), and 12 inches (304.8 mm) deep. You can
install up to four ONS 15454 shelves in a seven-foot (2133.6 mm) equipment rack. The ONS 15454
must have one inch (25.4 mm) of airspace below the installed shelf assembly to allow air flow to
the fan intake. If a second ONS 15454 is installed underneath the shelf assembly, the air ramp on
top of the lower shelf assembly provides the air spacing needed and should not be modified in any
way.
A 10-Gbps-compatible shelf assembly (15454-SA-ANSI or 15454-SA-HD) and fan-tray assembly
Note
(15454-FTA3 or 15454-FTA3-T) are required if ONS 15454 XC10G and ONS 15454 XC-VXC-10G
cards are installed in the shelf.
OL-9217-01
United States: National Fire Protection Association (NFPA) 70; United States National Electrical
Code
Canada: Canadian Electrical Code, Part I, CSA C22.1
Other countries: If local and national electrical codes are not available refer to IEC 364, Part 1
through Part 7
Figure 1-1 shows the dimensions of the ONS 15454.
1.2 1.2 Rack Installation
Cisco ONS 15454 Reference Manual, R7.0.1
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