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48 | Removing and Replacing Parts
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* If you mistakenly insert an SFM too quickly after removing it, traffic flow is interrupted. To correct the
situation, remove an active SFM or the standby SFM, wait several seconds, and reinsert. System
messages stating that the active interfaces’ status changed and the switch fabric is up appear when an fifth
SFM is inserted correctly and traffic is flowing.
Removing and Replacing the Air Filter
A factory-installed air filter is shipped with the E600i system. The hot-swappable air filter prevents large
particles, debris, and dust from entering and circulating through the system, and ensures proper air flow
through the system. Filters should be inspected monthly and replaced every twelve months or as required.
Figure 10-4. Replacing the E600i Air Filter
WARNING: An improperly installed air filter will restrict air flow and will generate thermal problems throughout
the chassis. Ensure the air filter is oriented correctly and seated securely in the slot.
WARNING: Do not operate without a filter for any longer than 3 minutes to avoid card over-temperature
conditions.
4 Align the new SFM with the guide and gently slide the card into the slot until you feel the connectors engage with
the chassis backplane.
NOTE: Hold the SFM by the edges. Avoid touching the printed circuit board and connector pins. Extend the
card lever before you insert the card into the slot.
5 Rotate the lever to seat the backplane connectors and SFM in place.
6 Secure the SFM in place using the provided screw.
7 If you are not operating your E600i system with redundancy, replace the empty slot with a filler panel blank.
Blanks do not have board components or connector pins. Align the blank with the guides and gently slide toward
the backplane. Rotate the lever to secure the blank in place.
Step Task (continued)