Figure - Cisco ONS 15454 DWDM Installation And Operation Manual

Chapter 13 Maintain the Node
Step 2 If the air filter is installed in the external filter brackets, slide the filter out of the brackets while being
careful not to dislodge any dust that might have collected on the filter and proceed to
shows the reusable fan-tray air filter in an external filter bracket on an ANSI shelf.
the reusable fan-tray air filter in an external filter bracket on an ETSI shelf.
Step 3 If the filter is installed below the fan tray and not in the external filter brackets, open the front door of
the shelf assembly. If the front door is already open, proceed to
Open the front door lock.
a.
The ONS 15454 comes with a pinned hex key for locking and unlocking the front door. Turn the
key counterclockwise to unlock the door and clockwise to lock it.
Press the door button to release the latch.
b.
Swing the door open.
c.
Step 4 (Optional) Remove the front door. If you do not want to remove the door or it is already removed,
proceed to
Detach the ground strap from either the door or the chassis by removing one of the Kepnuts.
a.
Place the Kepnut back on the stud after the ground strap is removed to avoid misplacement.
b.
c. Secure the dangling end of the ground strap to the door or chassis with tape.

Figure 13-4

Fan tray filter
September 2005
Step 5.
ANSI Shelf Fan-Tray Air Filter in an External Filter Bracket (Front Door Removed)
F A N
F A IL
C R
IT
M A
J
M IN
NTP-G114 Inspect, Clean, and Replace the Air Filter
Step
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
Step 9. Figure 13-4
Figure 13-5
4.
shows
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