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Removing a Network Module
The switch complies with EMC, safety, and thermal specifications when a network module is present. If no
uplink ports are required, install a blank network module.
Note
To avoid authentication failure and non-detection of modules, wait for a minimum of five seconds between
the online insertion and removal (OIR) of network modules.
Note
Procedure
Step 1 Attach an ESD-preventive wrist strap to your wrist and to an earth ground surface
Do not remove the network module with connected cables or installed SFP modules. Always remove
any cables and modules before you remove the network module.
Caution
A module interface might become error-disabled when a network module with connected fiber-optic
cables is installed or removed. If an interface is error-disabled, you can reenable the interface by
using the shutdown and no shutdown interface configuration commands.
Caution
Step 2 Disconnect the cables from the SFP modules.
Step 3 Remove the SFP modules from the network module.
Step 4 Loosen the captive screws that hold the network module in place.
Catalyst 3850 Switch Hardware Installation Guide
OL-26779-0564
Installing a Network Module
Removing a Network Module
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