Connecting to 1000BASE-T SFP
49
10/100/1000 PoE+ Port Connections
50
10/100/1000 Port Connections
51
Auto-MDIX Connections
51
Where to Go Next
52
C H A P T E R 3
Power Supply Installation
53
Power Supply Module Overview
53
Installation Guidelines
56
Installing or Replacing an AC Power Supply
57
Finding the Serial Number
59
C H A P T E R 4
Troubleshooting
61
Diagnosing Problems
61
Switch POST Results
61
Switch LEDs
61
Switch Connections
62
Bad or Damaged Cable
62
Ethernet and Fiber-Optic Cables
62
Link Status
62
10/100/1000 Port Connections
63
10/100/1000 PoE+ Port Connections
63
SFP and SFP+ Module
63
Interface Settings
64
Ping End Device
64
Spanning Tree Loops
64
Switch Performance
64
Speed, Duplex, and Autonegotiation
64
Autonegotiation and Network Interface Cards
64
Cabling Distance
65
Clearing the Switch IP Address and Configuration
65
Finding the Serial Number
66
Replacing a Failed Stack Member
67
A P P E N D I X A
Technical Specifications
69
Catalyst 2960-X and 2960-XR Switch Hardware Installation Guide
OL-28309-02
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Contents