Cisco ASR 907 Installing page 17

Installing the Cisco ASR 907 Router
Step 2
Slide the new dust filter (A907-FAN-F) onto the fan tray.
Step 3 Secure the filter with the top and bottom captive screws, in the chassis.
Figure 18: Fan Filter
1 Captive screw
Removing the Dust Filter
Remove the dust filter for a replacement.
Note
• The dust filter is a single-use component.
• Use the dust filter (A907-FAN-F) within 6 months of buying as the shelf or storage life is less than 6
Dust Filter Maintenance
A periodic health check of the filter, every 3 months based on the level of dust in the environment, helps in
avoiding over clogging of the filters and provides a better life. This product's filter is used as a single-use
component. If the product is installed in a controlled environment, check and replace the filter every three
months, otherwise replace the filter every month with PID (A907-FAN-F=) or equivalent.
2 Fan filter
months. The ideal storage condition for a filter is a cool, dry, and dark environment. Surroundings that
adversely affect the dust filter are high heat, humidity at high temperatures, and ultraviolet light.
Removing the Dust Filter
Installing the Cisco ASR 907 Router
17