Figure - Cisco ONS 15454 DWDM Installation And Operation Manual

NTP-G114 Inspect, Clean, and Replace the Air Filter

Figure 13-5

Fan tray filter
Push the outer side of the handles on the fan-tray assembly to expose the handles.
Step 5
Pull the handles and slide the fan-tray assembly one inch (25.4 mm) out of the shelf assembly and wait
Step 6
until the fans stop.
When the fans have stopped, pull the fan-tray assembly completely out of the shelf assembly.
Step 7
Gently remove the air filter from the shelf assembly. Be careful not to dislodge any dust that might have
Step 8
collected on the filter.
Visually inspect the air filter material for dirt and dust.
Step 9
If the reusable air filter contains a concentration of dirt and dust, replace the dirty air filter with a clean
Step 10
air filter (spare filters should be kept in stock) and reinsert the fan-tray assembly. Then, vacuum the dirty
air filter or wash it under a faucet with a light detergent.
Do not leave the fan tray out of the chassis for an extended period of time because excessive heat can
Caution
damage the ONS 15454 cards.
Note
If you washed the filter, allow it to completely air dry for at least eight hours.
Step 11
Do not put a damp filter back in the ONS 15454.
Caution
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
13-24
ETSI Shelf Fan-Tray Air Filter in an External Filter Bracket (Front Door Removed)
Cleaning should take place outside of the operating environment to avoid releasing dirt and dust
near the equipment.
Chapter 13 Maintain the Node
September 2005