Contents
v
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-01
Connecting Devices to the Ethernet Ports 2-27
10/100/1000 Ethernet Port Connections 2-28
PoE+ Port Connections 2-28
Where to Go Next 2-29
CHAPTER
3 Power Supply and Fan Module Installation 3-1
Power Supply Module Overview 3-1
Installation Guidelines 3-5
Installing an AC Power Supply 3-6
Installing a DC Power Supply 3-7
Equipment That You Need 3-8
Grounding the Switch 3-9
Installing the DC Power Supply in the Switch 3-10
Wiring the DC Input Power Source 3-11
Finding the Power Supply Module Serial Number 3-12
Fan Module Overview 3-14
Installing a Fan Module 3-15
Finding the Fan Module Serial Number 3-15
CHAPTER
4 Troubleshooting 4-1
Diagnosing Problems 4-1
Switch POST Results 4-1
Switch LEDs 4-1
Switch Connections 4-2
Bad or Damaged Cable 4-2
Ethernet and Fiber Cables 4-2
Link Status 4-2
10/100/1000 Port Connections 4-3
PoE Port Connections 4-3
SFP Modules 4-3
Interface Settings 4-4
Ping End Device 4-4
Spanning Tree Loops 4-4
Switch Performance 4-4
Speed, Duplex, and Autonegotiation 4-4
Autonegotiation and Network Interface Cards 4-5
Cabling Distance 4-5
Resetting the Switch to the Factory Default Settings 4-5
