Cisco Power system Installation Guide download pdf (Page 9)

The show environment Command

Troubleshooting Cisco 3800 Series Routers

OL-5972-01

The show environment Command

The show environment command can help you monitor and troubleshoot router power and ventilation

status.

This is an example of the output of the show environment command for a Cisco 3825 router with an AC

power supply and no Redundant Power System:

Router# show environment

Redundant Power System is not present.

SYS PS1 is present.

Type: AC

AUX (-48V) PS1 is absent.

Fan 1 Normal

Fan 2 Normal

Fan 3 Normal

Fan Speed is Normal

Alert settings:

Intake temperature warning: Enabled, Threshold: 50

Core temperature warning: Enabled, Threshold: 70 (CPU: 95)

Board Temperature: Normal

Internal-ambient temperature = 29, Normal

CPU temperature = 46, Normal

Intake temperature = 31, Normal

Voltage 1(3300) is Normal, Current voltage = 3316 mV

Voltage 2(5150) is Normal, Current voltage = 5210 mV

Voltage 3(2500) is Normal, Current voltage = 2525 mV

Voltage 4(1200) is Normal, Current voltage = 1191 mV

GE0: Speed Rear Rear Blinking green

Blink frequency indicates port speed

1 blink per second: 10 Mbps

2 blinks per second: 100 Mbps

3 blinks per second: 1000 Mbps

GE1: Link Rear Rear Off No link

Green Ethernet cable present, link established

GE1: Speed Rear Rear Blinking green

Blink frequency indicates port speed

1 blink per second: 10 Mbps

2 blinks per second: 100 Mbps

3 blinks per second: 1000 Mbps

PS1 — Front Off Power supply 1 not present

Steady green Present and enabled

Amber Present and off or malfunctioning

PS2 — Front Off Power supply 2 not present

Steady green Present and enabled

Amber Present and off or malfunctioning

Table 1 Cisco 3800 Series LED Indicators (continued)

LED 3825 3845 Color and State Meaning

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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Cisco Power system Installation Guide Page 9

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