
Chapter 1 Product Overview
Power Supply Side
Figure 1-8  Switch with Both Power Supply Modules
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1PSU OK LED
For a description of the PSU OK LED, see Table 
Power Supply-Side  LEDs
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Cisco Connected Grid
Switch 2500 Series

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| 1 | SYS (system) | 
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 | 9 | OUT (alarm output) | ||||
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| 2 | CON (console) | 
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 | 10 | PSU1 (power supply 1) | ||||
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| 3 | USB LED | 
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 | 11 | PSU2 (power supply 2) | ||||
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| 4 | SD (SD flash memory card) | 
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 | 12 | PoE1 | ||||
| 5 | IN1 (alarm input 1) | 
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 | 13 | Express setup button | ||||
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| 6 | IN2 (alarm input 2) | 
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 | 14 | Ethernet port | ||||
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| 7 | IN3 (alarm input 3) | 
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 | 15 | 10/100/1000 port | ||||
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| 8 | IN4 (alarm input 4) | 
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 | 16 | SFP port | ||||
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Cisco CGS 2520 Hardware Installation Guide
207230
