Cisco 2948G - Catalyst Switch Hardware Installation Manual page 90

Chapter 4 Configuring the Gigabit Ethernet Ports
Connecting To an SFP Module
Step 5 If necessary, reconfigure and restart the switch or target device.
The Gigabit Ethernet ports on these modules are used primarily for backbone
interconnection of other high-performance switches and routers.
After you have connected all the interfaces, check all connections, and then
perform the steps described in the "Verifying Switch Operation" section on
page 3-23 to verify that the switch is operational.
Catalyst 2984G, 2948G-GE-TX, and 2980G Switch Hardware Installation Guide
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