Cisco Systems CGS252016S8PC manual Bad or Damaged Cable

Contents

C H A P T E R		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-Optic Cables						4-2
			Link Status		4-2
			10/100 and 10/100/1000 Port Connections							4-2
			10/100 PoE Port Connections 4-3
			SFP Module		4-3
			Interface Settings				4-3
			Ping End Device			4-3
			Spanning Tree Loops				4-4
			Switch Performance			4-4
			Speed, Duplex, and Auto-Negotiation4-4
			Auto-Negotiation and Network Interface Cards 4-4
			Cabling Distance			4-4
			Resetting the Switch to the Factory Default Settings							4-5
			Finding the Switch Serial Number					4-5
			Technical Specifications
A P P E N D I X		A				A-1
			Switch Specifications			A-1
			Power Supply Module Specifications						A-4
			Connector and Cable Specifications
A P P E N D I X		B						B-1
			Connector Specifications			B-1
			10/100 Ethernet Ports			B-1
			SFP Module Connectors				B-2
			Dual-Purpose Ports			B-3
			Alarm Port	B-3
			Alarm Ratings		B-3
			Cables and Adapters		B-4
			SFP Module Cables			B-4
			Cable Pinouts		B-6
			Console Port Adapter Pinouts					B-8
			Configuring the Switch with the CLI Setup Program
A P P E N D I X		C								C-1
			Accessing the CLI Through the Console Port						C-1
										Cisco CGS 2520 Hardware Installation Guide
	78-19377-02										v