Cisco ONS 15454 Hardware Installation Manual page 487

Maintaining the ONS 15454 M12 (ANSI and ETSI), ONS 15454 M2 and ONS 15454 M6 Shelf
Step 2
Extract the fan-tray assembly partially to disconnect the backplane connector and wait until the fan stops (see
the following figure)
Figure 301: Fan -Tray Extracted Partially with Power Connector Disconnected
Step 3
When the fans have stopped, pull the fan-tray assembly completely out of the shelf assembly (see the following
figure).
Figure 302: Fan-Tray Extracted
Step 4 Slide the new fan-tray assembly into the shelf assembly until the electrical plug at the rear of the tray plugs
into the corresponding receptacle on the backplane.
Step 5
To verify that the tray has plugged into the backplane, ensure that the LCD on the front of the fan-tray is
activated.
Stop. You have completed this procedure.
NTP-G272 Replace the Fan-Tray Assembly of the ONS 15454 M2 Shelf Assembly
Cisco ONS 15454 Hardware Installation Guide
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