Cisco ONS 15454 Troubleshooting Manual page 475

Chapter 2 Alarm Troubleshooting
If you are replacing the fan-tray air filter and it is installed in the external bottom bracket, you can slide
the existing air filter out of the bracket and replace it at anytime. For more information on the fan-tray
air filter, see the
Slide the new fan tray into the shelf assembly until the electrical plug at the rear of the tray plugs into
Step 8
the corresponding receptacle on the backplane.
To verify that the tray has plugged into the backplane, check that the LCD on the front of the fan tray is
Step 9
activated.
Step 10 If you replace the door, be sure to reattach the ground strap.
2.9.7 Interface Procedures
This section includes instructions for replacing an EIA and an AIP.
Replace the Electrical Interface Assembly
You need a #2 Phillips screwdriver. If you use high-density BNC EIAs, you also need a BNC insertion
Note
and removal tool.
To remove the lower backplane cover, loosen the five screws that secure it to the ONS 15454 and pull it
Step 1
away from the shelf assembly.
Step 2 Loosen the nine perimeter screws that hold the backplane sheet metal cover or EIA in place. Do not
remove the interior screws.
If you are removing an AMP Champ EIA, remove the fastening plate before proceeding. To remove the
fastening plate, loosen the two thumbscrews.
If a backplane cover is attached to the ONS 15454, lift the panel by the bottom to remove it from the
Step 3
shelf assembly and store the panel for later use.
If an EIA is attached to the ONS 15454, lift the EIA handles and gently pull it away from the backplane.
Step 4
Note
Line up the connectors on the new EIA with the mating connectors on the backplane.
Step 5
Gently push the EIA until both sets of connectors fit together snugly.
Step 6
Replace the nine perimeter screws that you removed while removing the backplane cover.
Step 7
If you are installing an AMP Champ EIA, attach the fastening plate with the two thumbscrews.
Step 8
Reattach the lower backplane cover.
Step 9
November 2009
"Inspect, Clean, and Replace the Reusable Air Filter" section on page
Attach backplane sheet metal covers whenever EIAs are not installed.
2.9.7 Interface Procedures
Cisco ONS 15454 Troubleshooting Guide, R8.5
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