Ntp- D107 Inspect And Maintain The Air Filter - Cisco ONS 15454 SDH Procedure Manual

NTP- D107 Inspect and Maintain the Air Filter

19.
20.
NTP-D107 Inspect and Maintain the Air Filter
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
Warning Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed
circuitry could constitute an energy hazard. Statement 206
Although the filter works if it is installed with either side facing up, Cisco recommends that you install
Note
it with the metal bracing facing up to preserve the surface of the filter.
Note Avoid cleaning the air filter with harsh cleaning agents or solvents.
Verify that you are replacing a reusable air filter. The reusable filter is made of a gray, open-cell,
Step 1
polyurethane foam that is specially coated to provide fire and fungi resistance. NEBS 3E and later
versions of the ONS 15454 SDH use a reusable air filter.
If the air filter is installed in the external filter brackets, slide the filter out of the brackets while being
Step 2
careful not to dislodge any dust that might have collected on the filter and proceed to
illustrates a reusable fan-tray air filter in an external filter bracket.
If the filter is installed beneath the fan tray and not in the external filter brackets, open the front door of
Step 3
the shelf assembly by completing the following substeps:
a.
b.
c.
Cisco ONS 15454 SDH Procedure Guide, R7.0
15-2
NTP-D346 Import Network Element Defaults, page
factory-configured (default) NE settings for the Cisco ONS 15454 SDH.
NTP-D347 Export Network Element Defaults, page
factory-configured (default) NE settings for the Cisco ONS 15454 SDH.
This procedure explains how to inspect and maintain reusable air filters.
It ensures that the air filter is free from dirt and dust, which allows
optimum air flow and prevents dirt and dust from entering the shelf.
Vacuum or detergent and water faucet, spare filter, pinned hex key tool
None
Clean the filter every three to six months. Replace the air filter every two
to three years.
Onsite
None
Open the front door lock.
Turn the key counterclockwise to unlock the door and clockwise to lock it. (The ONS 15454 SDH
comes with a pinned hex key for locking and unlocking the front door.)
Press the door button to release the latch.
Swing the door open.
Chapter 15
15-26—Complete as needed to import the
15-27—Complete as needed to export the
Maintain the Node
Step 9. Figure 15-1
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