iii
Cisco CGS 2520 Hardware Installation Guide
OL-31444-01
CONTENTS
Preface vii
Related Publications i-viii
Obtaining Documentation and Submitting a Service Request i-viii
CHAPTER
1Product Overview 1-1
Switch Models 1-2
Cable Side 1-2
Ports 1-3
10/100BASE-T Ports 1-4
PoE and PoE+ Ports 1-4
Dual-Purpose Gigabit Ethernet Ports 1-5
SFP Modules 1-5
SFP Module Patch Cable 1-6
Power-Input Terminal 1-7
Alarm Ports 1-7
Alarm Input 1-7
Alarm Output 1-7
Management Ports 1-8
LEDs 1-8
Switch Panel LEDs 1-9
System LED 1-9
Power Supply Module LEDs 1-10
Alarm LEDs 1-10
Console LEDs 1-10
Port LEDs 1-11
PoE LED 1-11
Dual-Purpose Port LEDs 1-12
SD Flash Memory Card LED 1-12
SD Flash Memory Card 1-12
Power Supply Side 1-12
Power Supply-Side LEDs 1-14
Power Supply Features 1-14
Management Options 1-15
Network Configurations 1-16