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Installing and Upgrading Modules
Tip
Laser Safety Guidelines
Optical SFPs use a small laser to generate the fiber-optic signal. Keep the optical transmit and receive ports
covered whenever a cable is not connected to the port.
Installing SFP Modules
To install an SFP module in a Cisco IR8340 router:
Step 1
Slide the SFP into the router connector until it locks into position.
If the SFP uses a bale-clasp latch, the handle should be on top of the SFP module.
Tip
Do not remove the optical port plugs from the SFP until you are ready to connect cabling.
Caution
Step 2
Connect the network cable to the SFP module.
Removing SFP Modules
To remove an SFP from a Cisco IR8340 router:
Step 1
Disconnect all cables from the SFP.
The latching mechanism used on many SFPs locks the SFP into place when cables are connected. Do not pull
Caution
on the cabling in an attempt to remove the SFP.
Step 2
Disconnect the SFP latch (see the following figure).
Note
SFP modules use various latch designs to secure the module in the SFP port. Latch designs are not linked to
SFP model or technology type. For information on the SFP technology type and model, see the label on the
side of the SFP.
Use the show inventory command at the Cisco IOS prompt to determine whether you are using an SFP
certified by Cisco.
Cisco Catalyst IR8340 Rugged Series Router Hardware Installation Guide
Laser Safety Guidelines
51
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