Laser Safety Guidelines - Cisco 2900 series Installation Manual

Installing SFP Modules
Tip Use the show controller command at the Cisco IOS prompt to determine whether you are using an SFP
certified by Cisco.

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.
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
Warning
beams or view directly with optical instruments. Statement 1051
Warning Ultimate disposal of this product should be handled according to all national laws and regulations.
Statement 1040
Follow these steps to install an SFP module in a Cisco 2900 or 3900 series router:
Read the
Step 1
perform any module replacement.
Slide the SFP into the router connector until it locks into position (see
Step 2
Tip If the SFP uses a bale-clasp latch (see
Figure 5-53
Do not remove the optical port plugs from the SFP until you are ready to connect cabling.
Caution
Connect the network cable to the SFP module.
Step 3
Cisco 2900 Series and 3900 Series Hardware Installation Guide
5-64
"Safety Warnings" section on page 5-2
Installing an SFP Module
Chapter 5 Installing and Upgrading Internal Modules and FRUs
section and disconnect the power supply before you
Figure 5-53), the handle should be on top of the SFP module.
Figure 5-53).
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