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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
September 2005
Chapter 13      Maintain the Node
NTP-G118 Replace the ANSI Shelf Plastic Lower Backplane Cover
Figure 13-14 Circuit Repair Information
Note The CTC session freezes until all circuits are repaired. Circuit repair can take up to five minutes 
or more depending on the number of circuits provisioned.
When the circuit repair is complete, the Circuits Repaired dialog box appears.
Step 27 Click OK.
Step 28 In node view of the new node, click the Circuits tab. Check to ensure that all circuits listed have a status 
of DISCOVERED. If all circuits listed are not DISCOVERED, call the Cisco TAC at (800) 553-2447 to 
open a Return Material Authorization (RMA).
Stop. You have completed this procedure.
NTP-G118 Replace the ANSI Shelf Plastic Lower Backplane 
Cover
Step 1 Use the Phillips screwdriver to unscrew the five retaining screws that hold the metal cover in place. 
Step 2 Grasp the metal cover on each side.
Step 3 Gently pull the metal cover away from the backplane.
Step 4 Place the plastic cover against the shelf assembly and align the screw holes on the cover and the shelf 
assembly (Figure 13-15).
Purpose This procedure replaces the plastic cover located at the bottom rear of 
the ONS 15454 ANSI shelf.
Tools/Equipment Phillips screwdriver
Prerequisite Procedures None
Required/As Needed As needed
Onsite/Remote Onsite
Security Level None