• Off indicates that the target device might not be turned on, there might be a cable problem, or there might be a
problem with the adapter installed in the target device. Refer to Troubleshooting for solutions to cabling problems.
Guidance for Connecting to SFP Modules
Before you connect the switch to SFP modules, read and understand the guidancxe in this section.
Before connecting to the SFP module, be sure that you understand the port and cabling guidelines in Installing
and Removing SFP Modules. See Cable and Connectors for information about the LC on the SFP module.
Class 1 laser product. (Statement 1008)
Warning
Do not connect or disconnect cables to the ports while power is applied to the switch or any device on
the network because an electrical arc can occur. This could cause an explosion in hazardous location
installations. Be sure that power is removed from the switch and cannot be accidentally be turned on,
or verify that the area is nonhazardous before proceeding. (Statement 1070)
Warning
Do not remove the rubber plugs from the SFP module port or the rubber caps from the fiber-optic cable
until you are ready to connect the cable. The plugs and caps protect the SFP module ports and cables
from contamination and ambient light.
Caution
To prevent ESD damage, follow standard board and component handling procedures.
Caution
Connect to a Fiber Optic SFP Module
Connect a fiber-optic cable to an SFP module.
Before you begin
Read and understand the section
Guidance for Connecting to SFP Modules, on page 33
Step 1
Remove the rubber plugs from the module port and fiber-optic cable, and store them for future use.
Step 2
Insert one end of the fiber-optic cable into the SFP module port.
Step 3
Insert the other cable end into a fiber-optic receptacle on a target device.
Step 4
Observe the port status LED:
• The LED turns green when the switch and the target device have an established link.
Cisco Catalyst IE9300 Rugged Series Switch Hardware Installation Guide
33
Switch Installation
Guidance for Connecting to SFP Modules
