Ntp- G114 Inspect, Clean, And Replace The Air Filter - Cisco ONS 15454 DWDM Installation And Operation Manual

NTP-G114 Inspect, Clean, and Replace the Air Filter
Table 13-2 ONS 15454 Timing Report (continued)
Item Description
SSM Indicates the SSM
Quality timing quality.
SSM Indicates the date
Changed and time of the
last SSM status
change in
MM/DD/YY
HH:MM:SS
format.
Stop. You have completed this procedure.
NTP-G114 Inspect, Clean, and Replace the Air Filter
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed
Warning
circuitry could constitute an energy hazard. Statement 206
Cisco recommends that you inspect the air filter monthly, and clean the filter every three to six months.
Caution
Replace the air filter every two to three years. Avoid cleaning the air filter with harsh cleaning agents or
solvents.
Although the filter can work if it is installed with either side facing up, Cisco recommends that you
Note
install it with the metal bracing facing up to preserve the surface of the filter.
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 use a reusable air filter.
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
13-22
Option
8 to 10 SSM quality messages
might be displayed.
—
This procedure 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
As needed
Onsite
None
Option Description
For a list of SSM message sets, see the
"21.3 Synchronization Status Messaging" section on
page 21-3.
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Chapter 13 Maintain the Node
September 2005