Contents
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Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-03
CHAPTER
3 Power Supply Installation 3-1
Power Supply Module Overview 3-1
Installation Guidelines 3-7
Installing or Replacing an AC Power Supply 3-8
Installing a DC Power Supply 3-9
Equipment That You Need 3-10
Grounding the Switch 3-10
Installing the DC Power Supply in the Switch 3-13
Wiring the DC Input Power Source 3-13
Finding the Power Supply Module Serial Number 3-14
CHAPTER
4 Installing the Fan 4-1
Overview 4-1
Fan Module Installation 4-2
Installation Guidelines 4-2
Installing a Fan Module 4-3
Finding the Fan Module Serial Number 4-4
CHAPTER
5 Troubleshooting 5-1
Diagnosing Problems 5-1
Switch POST Results 5-1
Switch LEDs 5-1
Switch Connections 5-2
Bad or Damaged Cable 5-2
Ethernet and Fiber Cables 5-2
Link Status 5-2
10/100/1000 Port Connections 5-2
PoE and PoE+ Port Connections 5-3
SFP Modules 5-3
Interface Settings 5-4
Ping End Device 5-4
Spanning Tree Loops 5-4
Switch Performance 5-4
Speed, Duplex, and Autonegotiation 5-4
Autonegotiation and Network Interface Cards 5-4
Cabling Distance 5-5
Resetting the Switch 5-5
Finding the Switch Serial Number 5-5