Figure 1-1 The Ons 15327 Shelf Assembly Dimensions - Cisco ONS 15327 User Documentation

Chapter 1 Hardware Installation
Rack Installation
In this chapter, the terms "ONS 15327" and "shelf assembly" are used interchangeably. In the
Note
installation context, these terms have the same meaning. Otherwise, shelf assembly refers to the physical
steel enclosure that holds cards and connects power, and ONS 15327 refers to the entire system, both
hardware and software.
1.3 Rack Installation
The ONS 15327 is easily mounted in a 19- or 23-inch equipment rack. The shelf assembly projects 2
inches from the front of the rack. It mounts in both EIA-standard and Telcordia-standard racks. The shelf
assembly is a total of 17 inches wide with no mounting ears attached. With the mounting ears attached,
the shelf assembly is 19 inches wide.
The ONS 15327 measures 5.1 inches high, 19 or 23 inches wide (depending on which way the mounting
ears are attached), and 11 inches deep (13 x 48.3 x 28 cm). Figure 1-1 shows the dimensions of the ONS
15327 shelf assembly.
Figure 1-1 The ONS 15327 shelf assembly dimensions
Top View
16.944" width
11.047"
19" or 23" between mounting screw holes
Side View Front View
11.047" 16.944" width
5.118"
19" or 23" between mounting screw holes
Cisco ONS 15327 User Documentation, R3.3
1-4
June 2002