Contents
v
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-07
Connecting StackWise Cable to StackWise Ports 2-30
Installing and Removing SFP Modules 2-33
Installing SFP Modules into SFP Module Slots 2-33
Removing SFP Modules from SFP Module Slots 2-34
Installing and Removing XENPAK Modules (Catalyst 3750G-16TD Switch) 2-35
Installing a XENPAK Module 2-36
Removing a XENPAK Module 2-38
Connecting to the 10/100 and 10/100/1000 Ports 2-39
Connecting to an SFP Module 2-41
Connecting to a Fiber-Optic SFP Module 2-41
Connecting to 1000BASE-T SFP Modules 2-43
Connecting to a XENPAK Module 2-44
Where to Go Next 2-45
CHAPTER
3 Troubleshooting 3-1
Diagnosing Problems 3-1
Verify Switch POST Results 3-2
Monitor Switch LEDs 3-2
Verify Switch Connections 3-2
Bad or Damaged Cable 3-2
Ethernet and Fiber Cables 3-2
Link Status 3-3
PoE Connections 3-3
Transceiver Module Port Issues 3-3
Port and Interface Settings 3-4
Ping the End Device 3-4
Spanning Tree Loops 3-4
Monitor Switch Performance 3-5
Speed, Duplex, and Autonegotiation 3-5
Autonegotiation and NIC Cards 3-5
Cabling Distance 3-5
Clearing the Switch IP Address and Configuration 3-6
Replacing a Failed Stack Member 3-6
Finding the Switch Serial Number 3-7
