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Replace an Interface Module
warning
Do not operate a chassis for more than a few minutes with a missing cooling module. To
ensure internal chassis air pressure is maintained and to avoid loss of traffic due to modules
overheating and shutting down, leave a failed cooling module installed until you have a
replacement.
1. Locate the slot that contains the fan module to remove.
2. Loosen the thumb screw until it is no longer attached to the chassis.
Figure 26: Removing a fan module
3. Use the handle to slide the fan module out of the chassis.
4. Replace with the fan with a spare fan module.
Replace an Interface Module
The interface module is hot-swappable.
•
The following items are needed:
◦
Antistatic wrist strap
•
Remove all cables and optics from the network interface ports.
To prevent damage, use the following best practices when installing or handling 9920-16C modules:
•
Keep the modules on antistatic material when not in the chassis.
•
Avoid touching the components or connector pins.
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9920 Network Packet Broker Hardware Installation Guide
Replace Components
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