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Catalyst 3750 Switch Hardware Installation Guide
OL-6336-10
Chapter 2 Switch Installation
Connecting to an SFP Module
Step 2 Connect the other end of the cable to an RJ-45 connector on the other device. The port LED turns on
when both the switch and the connected device have established link.
The port LED is amber while Spanning Tree Protocol (STP) discovers the topology and searches for
loops. This process takes about 30 seconds, and then the port LED turns green. If the port LED does not
turn on, the device at the other end might not be turned on, or there might be a cable problem or a
problem with the adapter installed in the attached device. See Chapter 3, “Troubleshooting,” for
solutions to cabling problems.
Step 3 Reconfigure and reboot the connected device if necessary.
Step 4 Repeat Steps 1 through 3 to connect each device.
Figure 2-55 Connecting to an Ethernet Port
Connecting to an SFP Module
This section describes how to connect to SFP modules.
• For instructions on how to connect to fiber-optic SFP modules, see the “Connecting to 1000BASE-T
SFP Modules” section.
• For instructions on how to connect to 1000BASE-T SFP modules, see the “Connecting to
1000BASE-T SFP Modules” section.
• For instructions on how to install or remove an SFP module, see the “Installing and Removing SFP
Modules” section on page 2-33.
Connecting to a Fiber-Optic SFP Module
Follow these steps to connect a fiber-optic cable to an SFP module:
Warning
Class 1 laser product.
Statement 1008
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