Cisco ONS 15454 M12 Maintenance Manual page 8

NTP-G262 Replace the Air Filter of the ONS 15454 M6 Shelf Assembly
Note The air filters are single-use only. They must not be cleaned and reused. This is a Telcordia NEBS requirement,
GR-63-CORE Issue 4.
Note Air filters must be inspected every month. If they are dirty or clogged with dust, they must be replaced with
a new air filter.
Procedure
Step 1
Open the front door of the shelf assembly (see
15454 M6
Step 2 (Optional) Complete the
front door. If you do not want to remove the door, proceed to Step 3.
Step 3 Push the retention feature present on the right side of the shelf assembly to the left side (see the following
figure).
Figure 6: Replacing the Air Filter
Step 4
Extract the air filter from the shelf assembly (see the following figure).
Maintaining the ONS 15454 M12 (ANSI and ETSI), ONS 15454 M2 and ONS 15454 M6 Shelf
8
Maintaining the ONS 15454 M12 (ANSI and ETSI), ONS 15454 M2 and ONS 15454 M6 Shelf
Shelf). If the shelf assembly does not have a front door, continue with Step 3.
DLP-G577 Remove the Standard Door of the ONS 15454 M6 Shelf
NTP-G259 Open and Remove the Standard Door of the ONS
to remove the