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Home Documentation Junos OS Junos CLI Reference CLI Reference S

Junos CLI Reference

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show chassis environment psm

date_range 20-Jan-25
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Syntax

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show chassis environment psm
<all-members>
<local>
<member member-id>
<psm-slot-number>

Description

Display chassis environmental information about the power supply module (PSM).

To run system health check correctly in Junos evolved versions for PTX series, and to get correct output in the command show environment psm, the following prerequisites must be followed:

  • System load must be enough to load a PSM to its health check threshold.

  • There should be at least one redundant active PSM with no defects.

Options

none

Display environmental information about all power supply modules (PSMs).

all-members

(Optional) Display chassis environmental information about the PSM in all members of the Virtual Chassis configuration.

local

(Optional) Display chassis environmental information about the PSM in the local member of the Virtual Chassis.

member member-id

(Optional) Display chassis environmental information about the PSM in the specified member of the Virtual Chassis. Replace member-id with the value 0 or 1.

psm-slot-number

(Optional) Display environmental information about the specified power supply module. For MX2020 routers, replace psm-slot-number with a value from 0 through 17. For MX2010 and MX2008 routers, replace psm-slot-number with a value from 0 through 8.

Required Privilege Level

view

Output Fields

Table 1 lists the output fields for the show chassis environment psm command. Output fields are listed in the approximate order in which they appear.

Table 1: show chassis environment psm Output Fields

Field Name

Field Description

State

Status of the PSM.

  • Online—The PSM is online and running.

  • Offline—PSM is powered down.

Temperature

The status of the temperature of the air flowing past the PSM.

  • Out of range—Displayed if the PSM detects over-temperature.

  • OK—Displayed if the temperature is within the acceptable limit.

DC Input

State of the DC input power feed for the specified zone at the specified amps and voltage, and load for the PSM.

DC Output

DC power output in watts (W) for the specified zone at the specified amps and voltage (A @ V), and load and percentage utilization of the maximum capacity for the PSM.

Hours Used

Number of hours the PSM has been operational.

Bootloader Version

 Bootloader version for AC PSMs.

Sample Output

show chassis environment psm (MX2020 Router)

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user@host> show chassis environment psm
PSM 2 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.00       18.90     945.00 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.75      16.50      853.88     40.66
  Hours Used                 6140
PSM 3 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       18.90     952.56 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.75      16.50      853.88     40.66
  Hours Used                 6140
PSM 4 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       18.90     952.56 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.75      871.00     41.48
  Hours Used                 6140
PSM 5 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       18.90     952.56 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.50      858.00     40.86
  Hours Used                 6140
PSM 6 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       18.90     952.56 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.75      871.00     41.48
  Hours Used                 6140
PSM 7 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       19.20     967.68 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.75      871.00     41.48
  Hours Used                 6140
PSM 8 status:                           
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.00       20.40     1020.00
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.75      17.00      879.75     41.89
  Hours Used                 3380
PSM 11 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00   
                             INP1         50.40       18.30     922.32 
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.25      845.00     40.24
  Hours Used                 5615
PSM 12 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00   
                             INP1         50.40       18.30     922.32 
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.00      832.00     39.62
  Hours Used                 6143
PSM 13 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00   
                             INP1         50.40       18.00     907.20 
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.00      832.00     39.62
  Hours Used                 6143
PSM 14 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00   
                             INP1         50.00       18.30     915.00 
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.00      832.00     39.62
  Hours Used                 6143
PSM 15 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00   
                             INP1         48.80       18.90     922.32 
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.25      845.00     40.24
  Hours Used                 6143
PSM 16 status:                          
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00   
                             INP1         48.80       18.90     922.32 
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.25      845.00     40.24
  Hours Used                 6143
PSM 17 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00   
                             INP1         48.80       18.90     922.32 
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.00      16.25      845.00     40.24
  Hours Used                 5207

show chassis environment psm (MX2020 Router with 240-V high-voltage DC PSMs)

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user@host> show chassis environment psm

PSM 0 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      1.00      240.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.75      3.75       197.81     7.91
  Hours Used                 2026
PSM 1 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      0.90      216.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.75      3.25       171.44     6.86
  Hours Used                 2530
PSM 2 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      0.90      216.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.75      3.50       184.62     7.38
  Hours Used                 2530
PSM 3 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      0.90      216.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.75      3.50       184.62     7.38
  Hours Used                 2026
PSM 4 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      0.90      216.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.50      3.50       183.75     7.35
  Hours Used                 2530
PSM 5 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      1.00      240.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.50      3.75       196.88     7.88
  Hours Used                 2530
PSM 6 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      1.00      240.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.50      3.75       196.88     7.88
  Hours Used                 2002
PSM 7 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      1.00      240.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.50      3.75       196.88     7.88
  Hours Used                 2146
PSM 8 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         0.00        0.00      0.00
                             INP1         240.00      1.00      240.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.50      3.75       196.88     7.88
  Hours Used                 2026
PSM 9 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.80      192.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.50      2.75       144.38     5.78
  Hours Used                 2530
PSM 10 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.80      192.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.75      2.75       145.06     5.80
  Hours Used                 682
PSM 11 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.70      168.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.75      2.75       145.06     5.80
  Hours Used                 2098
PSM 12 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.80      192.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.25      3.00       156.75     6.27
  Hours Used                 2458
PSM 13 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.80      192.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.25      2.75       143.69     5.75
  Hours Used                 2601
PSM 14 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.80      192.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.75      2.75       145.06     5.80
  Hours Used                 682
PSM 15 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.80      192.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.25      2.75       143.69     5.75
  Hours Used                 2122
PSM 16 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.70      168.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.25      2.50       130.62     5.22
  Hours Used                 2050
PSM 17 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         240.00      0.80      192.00
                             INP1         0.00        0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               52.50      3.00       157.50     6.30
  Hours Used                 2122

show chassis environment psm (MX2010 Router)

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user@host> show chassis environment psm
PSM 0 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         51.20       14.70     752.64 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      13.00      666.25     26.65
  Hours Used                 2056
PSM 1 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         51.20       14.35     734.72 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      12.75      653.44     26.14
  Hours Used                 2008
PSM 2 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         51.20       14.35     734.72 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.50      13.00      669.50     26.78
  Hours Used                 2032
PSM 3 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       14.35     723.24 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.00      12.75      650.25     26.01
  Hours Used                 2008
PSM 4 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         51.20       14.00     716.80 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      13.00      666.25     26.65
  Hours Used                 2055
PSM 5 status:
  State                      Online
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         51.20       14.70     752.64 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      13.00      666.25     26.65
  Hours Used                 2056
PSM 6 status:
  State                      Online
Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.80       14.70     746.76 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      13.00      666.25     26.65
  Hours Used                 2056       
PSM 7 status:                           
  State                      Online     
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       14.70     740.88 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      13.00      666.25     26.65
  Hours Used                 2056       
PSM 8 status:                           
  State                      Online     
  Temperature                OK                                      
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         50.40       14.70     740.88 
                             INP1         0.00        0.00      0.00   
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      13.00      666.25     26.65
  Hours Used                 2056

show chassis environment psm (MX2008 Router)

content_copy zoom_out_map
user@host> show chassis environment psm
PSM 1 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         53.20       4.55      242.06
                             INP1         53.20       3.85      204.82
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.50      7.75       399.12     15.96
  Hours Used                 2811
PSM 2 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         53.20       4.55      242.06
                             INP1         53.20       3.85      204.82
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      8.00       410.00     16.40
  Hours Used                 2882
PSM 3 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         52.40       1.75      91.70
                             INP1         52.80       8.40      443.52
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.50      7.75       399.12     15.96
  Hours Used                 2668
PSM 4 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         52.80       0.35      18.48
                             INP1         53.20       8.40      446.88
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.50      7.75       399.12     15.96
  Hours Used                 2740
PSM 5 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         52.40       0.00      0.00
                             INP1         53.20       8.40      446.88
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.50      7.75       399.12     15.96
  Hours Used                 2932
PSM 6 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         54.00       8.40      453.60
                             INP1         53.20       0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.50      7.75       399.12     15.96
  Hours Used                 2932
PSM 7 status:
  State                      Online
  Temperature                OK
  DC Input                   Feed       Voltage(V)  Current(A) Power(W)
                             INP0         54.00       8.40      453.60
                             INP1         53.20       0.00      0.00
  DC Output                  Voltage(V) Current(A)  Power(W)   Load(%)
                               51.25      7.75       397.19     15.89
  Hours Used                 2931

show chassis environment psm (ACX Series)

content_copy zoom_out_map
user@host> show chassis environment psm
PSM 0 status:
  State                      Online
  Temperature                35 degrees C / 95 degrees F             
  Fans                       OK
  DC Output                  OK
  Hours Used                 2786
  Firmware Version           11.13
  Fan 1                      13056
  Health check Information:
      Status:                   Not Performed
      Last Result:              Not Performed
      Last Execution:           Empty
      Next Scheduled Run:       2024-09-27 09:39:12 PDT
PSM 1 status:
  State                      Online
  Temperature                34 degrees C / 93 degrees F             
  Fans                       OK
  DC Output                  OK
  Hours Used                 6507
  Firmware Version           11.13
  Fan 1                      13088
  Health check Information:
      Status:                   Not Performed
      Last Result:              Not Performed
      Last Execution:           Empty
      Next Scheduled Run:       2024-09-27 09:39:23 PDT

show chassis environment psm (PTX device with third-generation power supply module)

On a PTX device with third-generation power supply, the system displays actual temperature sensor name in the output.

content_copy zoom_out_map
user@host> show chassis environment psm 0 
PSM 0 status:
  State                      Online
  Inlet Temp Sensor          34 degrees C / 93 degrees F             
  Connector1 Temp Sensor     31 degrees C / 87 degrees F             
  Connector2 Temp Sensor     31 degrees C / 87 degrees F             
  Outlet Temp Sensor         44 degrees C / 111 degrees F            
  Fans                       OK
  DC Input A0                OK
  DC Input A1                OK
  DC Input B0                OK
  DC Input B1                OK
  Check Input A0 Alarm       No
  Check Input A1 Alarm       No
  Check Input B0 Alarm       No
  Check Input B1 Alarm       No
  DC Output                  OK
  Hours Used                 919
  Firmware Version           Pri MCU 108.108.108.108
                             Sec MCU 301.301.301.301
                             Com MCU 207
                             led MCU 102
  Fan 1                      3812
  Fan 2                      4264
  Health check Information:
      Status:                   Scheduled
      Last Result:              Not Performed
      Last Execution:           Empty
      Next Scheduled Run:       2024-09-17 11:33:25 PDT

Release Information

Command introduced in Junos OS Release 12.3 for MX2010 and MX2020 Universal Routing Platforms.

all-members, local, and member member-id options introduced in Junos OS Release 15.1 for MX2020 and MX2010 routers.

Related Documentation

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