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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 1 Install the Shelf and Common Control Cards
DLP-G27 Install the DCU Shelf Assembly
DLP-G27 Install the DCU Shelf Assembly
Step 1 The DCU chassis requires 1 rack unit (RU) in a standard 19-inch (482.6-mm) or 23-inch (584.2-mm)
rack. Locate the RMU space specified in your site plan. See the “15.5 Typical DWDM Rack Layouts”
section on page 15-17 for common site layout plans.
Step 2 Two sets of mounting brackets are included with the DCU mounting kit, one set each for 19-inch
(482.6-mm) or 23-inch (584.2-mm) racks. Verify that your chassis is equipped with the correct set of
brackets for your rack. Change the brackets as required.
Step 3 Align the chassis with the rack mounting screw holes; one at a time, insert and tighten the four screws.
Step 4 Connect a frame ground to the ground terminal provided on either side of the chassis. Use minimum
#14 AWG wire.
Step 5 Return to your originating procedure (NTP).
DLP-G28 Install the Fiber Patch-Panel Tray
Step 1 The fiber patch-panel tray requires 1 RU in a standard 19-inch (482.6-mm) or 23-inch (584.2-mm) rack.
Locate the RMU space specified in your site plan. See the “15.5 Typical DWDM Rack Layouts” section
on page 15-17 for common site configurations.
Step 2 Verify that the mounting brackets attached to the unit are correct for your rack size. Complete “DLP-G3
Reverse the Mounting Bracket to Fit a 19-inch (482.6-mm) Rack (ANSI Only)” task on page 1-10 as
required.
Purpose If you are installing dispersion compensation modules, use this task to
install the Dispersion Compensation Unit (DCU) chassis.
Tools/Equipment #2 Phillips screwdriver
Crimping tool
#14 AWG wire and lug
Prerequisite Procedures None
Required/As Needed As needed
Onsite/Remote Onsite
Security Level None
Purpose This task installs the fiber patch-panel tray.
Tools/Equipment #2 Phillips screwdriver
Prerequisite Procedures None
Required/As Needed As needed
Onsite/Remote Onsite
Security Level None
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