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CGS 2520
Hardware installation manual
Cisco CGS 2520 Hardware Installation Manual page 5
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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Troubleshooting
4
C H A P T E R
Technical Specifications
A
A P P E N D I X
Connector and Cable Specifications
B
A P P E N D I X
OL-31444-01
4-1
Diagnosing Problems
4-1
Switch POST Results
Switch LEDs
4-1
Switch Connections
Bad or Damaged Cable
Ethernet and Fiber-Optic Cables
Link Status
4-2
10/100 and 10/100/1000 Port Connections
10/100 PoE+ Port Connections
SFP Module
4-3
Interface Settings
Ping End Device
Spanning Tree Loops
Switch Performance
Speed, Duplex, and Auto-Negotiation
Auto-Negotiation and Network Interface Cards
Cabling Distance
Resetting the Switch to the Factory Default Settings
Finding the Switch Serial Number
A-1
Switch Specifications
A-1
Power Supply Module Specifications
Connector Specifications
10/100 Ethernet Ports
SFP Module Connectors
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
4-1
4-2
4-2
4-2
4-3
4-3
4-4
4-4
4-4
4-4
4-4
4-5
4-6
A-4
B-1
B-1
B-1
B-2
B-8
Cisco CGS 2520 Hardware Installation Guide
4-5
4-6
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Table of Contents
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This manual is also suitable for:
Cgs-2520-24tc
Cgs-2520-24tc-c
Cgs-2520-16s-8pc
Cgs-2520-16s-8pc-c
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