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Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
Chapter 1 Overview of Cisco 4000 Series ISRs
Chassis Views
Figure 1-5
Bezel Side LEDS of the Cisco 4461 ISR Model
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PSU0: Power supply unit 0
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PSU1: Power supply unit 1
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GE POE: Internal PoE daughter card status
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FLASH: Compact flash status
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TEMP: Temperature status
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PWR: Power
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STAT: System status
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FAN: Fan status
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M.2 SSD status
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POE BOOST: Power over Ethernet boost mode
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POE 1: Power over Ethernet 1status
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POE 0: Power over Ethernet 0 status