Contents
v
Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide
OL-16447-01
Removing the DC-Power-Supply Module 3-16
Power Supply Settings 3-17
CHAPTER
4Troubleshooting 4-1
Diagnosing Problems 4-1
Switch POST Results 4-1
Switch LEDs 4-2
Switch Connections 4-2
Bad or Damaged Cable 4-2
Ethernet and Fiber Cables 4-2
Link Status 4-2
SFP Module Port Issues 4-3
Port and Interface Settings 4-3
Ping the End Device 4-3
Spanning Tree Loops 4-3
Switch Performance 4-4
Speed, Duplex, and Autonegotiation 4-4
Autonegotiation and NICs 4-4
Cabling Distance 4-4
Clearing the Switch IP Address and Configuration 4-4
Finding the Switch Serial Number 4-5
APPENDIX
ATechnical Specifications A-1
Environmental Ranges and Technical Specifications for the Switch A-1
Environmental and Technical Specifications for the Power-Supply Modules A-6
APPENDIX
BConnector and Cable Specifications B-1
Connector Specifications B-1
10/100 B-1
SFP Module Connectors B-2
Dual-Purpose Ports B-3
10/100 Ethernet Management Port B-3
Alarm Input Port B-3
Cables and Adapters B-4
SFP Module Cables B-4
Cable Pinouts B-6
Console Port Adapter Pinouts B-7