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Cisco uBR7100 Series and Cisco uBR7100E Series Universal Broadband Router Hardware Installation Guide
OL-5916-01
Chapter 6 Maintenance
Environmental Monitoring and Reporting Functions
If the environmental status is not normal, the system reports the worst-case status level. Following is a
sample overvoltage warning:
Router# show environment
Warning: +3.3 V measured at +3.41 V
The show environment last command retrieves and displays the NVRAM log, which provides a record
of environmental status readings. Air temperature is measured and displayed, and the voltage supplied
by the power supply is also displayed.
Following is sample output of the show environment last command:
Router# show environment last
chassis core previously measured at 34C/93F
chassis inlet previously measured at 28C/82F
chassis outlet 1 previously measured at 31C/87F
chassis outlet 2 previously measured at 33C/91F
+2.5 V previously measured at +2.59
+3.3 V previously measured at +3.32
+5.15 V previously measured at +5.13
+12.3 V previously measured at +12.99
+12.3 V previously measured at +12.33
-12.5 V previously measured at -12.43
The show environment table command displays the temperature and voltage thresholds for each
temperature sensor and for each monitored status level, which are related to those thresholds listed in
Table 6-1 and Table 6-2.
Following is sample output of the show environment table command:
Note Temperature ranges and values are subject to change.
The show environment all command displays an extended report that includes temperature readings and
voltage readings.
Following is sample output of the show environment all command:
Router# show environment all
Power Supply:
Power supply is standard power supply. Unit is on.
Temperature readings:
chassis core measured at 33C/91F
chassis inlet measured at 27C/80F
chassis outlet 1 measured at 30C/86F
chassis outlet 2 measured at 32C/89F
Router# show environment table
Sample Point LowCritical LowWarning HighWarning HighCritical
chassis core
chassis inlet
chassis outlet 1
chassis outlet 2
49C/120F
43C/109F
46C/114F
47C/116F
54C/129F
48C/118F
51C/123F
52C/125F
+2.5 V
+3.3 V
+5.15 V
+12.3 V
+12.3 V
-12.5 V
+2.35
+3.11
+4.88
+11.53
+11.53
-10.20
+2.39
+3.19
+5.00
+11.77
+11.77
-11.24
+2.69
+3.39
+5.23
+12.76
+12.76
-13.71
+2.72
+3.47
+5.39
+13.05
+13.05
-14.33