Cisco Catalyst C3850 Series User Manual

Troubleshooting 107
CHAPTER 7
Diagnosing Problems 107
Switch POST Results 107
Switch LEDs 107
Switch Connections 107
Bad or Damaged Cable 107
Ethernet and Fiber-Optic Cables 108
Link Status 108
10/100/1000 Port Connections 108
10/100/1000 PoE+ Port Connections 108
SFP and SFP+ Module 109
Interface Settings 109
Ping End Device 109
Spanning Tree Loops 109
Switch Performance 110
Speed, Duplex, and Autonegotiation 110
Autonegotiation and Network Interface Cards 110
Cabling Distance 110
Clearing the Switch IP Address and Configuration 110
Replacing a Failed Data Stack Member 111
Technical Specifications 113
APPENDIX A
Environmental and Physical Specifications 113
Specifications for the Power Supplies, Switches, and Fan 115
Connector and Cable Specifications 119
APPENDIX B
Connector Specifications 119
10/100/1000 Ports (Including PoE) 119
SFP Module Connectors 119
Console Port 120
Cables and Adapters 121
StackWise Cables 121
Transceiver Module Network Cables 121
Catalyst 3850 Switch Hardware Installation Guide
OL-26779-05vi
Contents

Cisco Catalyst C3850 Series Specifications

General

Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
RAM	4 GB
Flash Memory	4 GB
Series	Catalyst 3850
Power Supply Options	AC or DC
Software	Cisco IOS XE
Operating Temperature	32 to 113°F (0 to 45°C)
Ports	12, 24, or 48 x 10/100/1000 Ethernet ports
Uplink Interfaces	Optional 10G uplinks