Cisco ONS 15454 M12 Maintenance Manual page 6

NTP-G274 Replace the Air Filter of the ONS 15454 M2 Shelf Assembly
Figure 3: Replacing the Air Filter
1 Air filter
Step 2
Extract the air filter from the shelf assembly as shown in the following figure.
Figure 4: Replacing the Air Filter
1 Air filter
Step 3 Separate the cable guides from the air filter as shown in the following figure.
Maintaining the ONS 15454 M12 (ANSI and ETSI), ONS 15454 M2 and ONS 15454 M6 Shelf
6
Maintaining the ONS 15454 M12 (ANSI and ETSI), ONS 15454 M2 and ONS 15454 M6 Shelf
2 Screw
2 Filter grid