
C O N T E N T S
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 | Preface vii | 
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 | Related Publications  | |
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 | Obtaining Documentation and Submitting a Service Request  | |
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 | Product Overview | 
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| C H A P T E R 1 | ||
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 | Switch Models | |
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 | Cable Side  | 
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| 10/100 Fast Ethernet Ports | |||||
| PoE Ports  | 
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| SFP Modules | 
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| SFP Module Patch Cable | 
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| Alarm Ports | 
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| Alarm Input | 
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| Alarm Output | 
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| Management Ports | 
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| LEDs  | 
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| Switch Panel LEDs | 
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| System LED | 
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| Power Supply Module LEDs | |||||
| Alarm LEDs | 
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| Console LEDs | 
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| Port LEDs | 
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| PoE LED | 
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| SD Flash Memory Card LED | |||||
| SD Flash Memory Card | 
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| Power Supply Side | 
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| Power  | 
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| Power Supply Features | 
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| Management Options | 
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| Network Configurations | 
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Cisco CGS 2520 Hardware Installation Guide
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 | iii | |
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