Cisco ONS 15454 DWDM - Figure 1-4 Three-Shelf ONS 15454 ETSI (15454 SDH) Bay Assembly

1-18
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 1 Install the Shelf and Common Control Cards
DLP-G7 Mount Multiple Shelf Assemblies in a Rack
Figure 1-4 shows a three-shelf ONS 15454 ETSI bay assembly.
Figure 1-4 Three-Shelf ONS 15454 ETSI (15454 SDH) Bay Assembly
Step 3
(ETSI only.) Mount the air ramp above the ONS 15454 ETSI.
The air ramp is needed if you install more than one ONS 15454 ETSI shelf in a rack. To ensure that the
air ramp is secure, use one or two M6 mounting screws for each side of the shelf assembly. Figure 1-5
shows how to mount an air ramp in the rack.
61583
Fuse and Alarm Panel,
mountable in the rack
if the rack is 2200 mm
(86.6 in.) high or higher
Air Ramp
ETSIs (SDH)
Air Ramp