Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

header-navigation

Solutions

Featured solutions AI Campus and branch Data center WAN Security Service provider Cloud operator Industries
Campus and Branch

Welcome to the NOW Way to Wi-Fi

Take your networking performance to new heights with a modern, cloud-native, AI-Native architecture. Only Juniper can help you unleash the full potential of Wi-Fi 7 with our AI-Native platform for innovation.
Prepare for liftoff
Business intelligence analyst dashboard on virtual screen. Big data Graphs Charts.

AI Data Center Networking

Juniper’s AI data center solution is a quick way to deploy high performing AI training and inference networks that are the most flexible to design and easiest to manage with limited IT resources.
Find out more
Enterprise AI-Native Networking

Enterprise AI‑Native Routing

Juniper's Ai-Native routing solution delivers robust 400GbE and 800GbE capabilities for unmatched performance, reliability, and sustainability at scale.
Explore enterprise routing
Zero trust security

Ops4AI Lab

Visit our lab in Sunnyvale, CA and see our AI data center solution for yourself. You can try out your own model’s functionality and performance, too.
Visit the lab
Enterprise AI-Native Networking

Enterprise AI‑Native Routing

Juniper's Ai-Native routing solution delivers robust 400GbE and 800GbE capabilities for unmatched performance, reliability, and sustainability at scale.
Explore enterprise routing
Higher Education

Shaping Student Experiences: The NOW Way to Build Higher Education Networks

Join Juniper Networks CIO Sharon Mandell and a virtual summit of C-level IT leaders from prestigious institutions as they discuss ongoing efforts to support digital transformation.
Register to attend
Hand on tablet with healthcare overlay of graphics

Security in healthcare

In this IDC Spotlight report, discover how AI networking can automate and strengthen a healthcare ecosystem to defeat criminals and prevent loss. 
Gain insights into ecosystem security
Retail

The Future of In-Store Technologies

Join us for an enlightening webinar with Kevin McCartan, Senior IT Service Delivery Engineer at Musgrave; retail guru Jack Stratten of Insider Trends; and Christian Gilby, Director of Product Marketing at Juniper Networks, as they discuss the future of in-store technologies.
Reserve my spot

Products

Wireless access Wired access SD-WAN / SASE Routing and switching Security Mist AI™ Management software Network operating system Blueprint for AI-Native Acceleration Optics
  • Operations
ACX7020 router

Juniper ACX7020 Cloud Metro Access Router

Legacy networks simply cannot meet the demands of today’s rapidly evolving metro landscape. Unlock a new generation of highly scalable architectures and automated operations with the Juniper ACX7020. 
Learn more
EX4000 Ethernet Switch

Next-gen AI-Native EX4000 line of switches

Lack of AI innovation from your current networking vendor slowing you down? Embrace Juniper’s cloud-native, AI-Native access switches that support every level and layer, across nearly every deployment.
Discover how
The Q and AI text with an image of Bob Friday and Kedar Dhuru.

The Q&AI Podcast

Delivering practical solutions and enriching discussions, this podcast series is a vital resource for those seeking an in-depth exploration of AI's transformative potential.
Catch the latest episode

Services

Services
Services AI Care

Juniper AI Care Services Revolutionize Your Service Experience

Our industry-first AI-Native services couple AIOps with our deep expertise across the full network life cycle. You can move from reactive response to proactive insight and action.
Explore AI Care Services
Services AI Data Center

Juniper AI Data Center Deployment Services Optimize Your AI Model Runs

We use our expertise and validated designs to help design, deploy, validate and tune networks, including GPUs and storage, to get the most from your AI infrastructure operation.
Learn about AI Data Center Deployment Services

Partners

Partners

Support and Documentation

Support and Documentation

Learn

About Juniper Training Events The Feed Resources Technology learning topics Thought leadership and insights
Audience raising hands up while businessman is speaking in training at the office.

Juniper certification and training news

See the latest
Ringing of the bell

All global events

See the latest
AI-native-now

AI-Native NOW event series

Register now
Juniper's Christina Hendrix at the head of a conference table. With the text "The NOW Way to Network" overlayed, with "NOW" emphasizing the "O" in green color.

The NOW Way to Network

Watch the video series
AI Native Now

Executive insights

Dive deep with leading experts and thought leaders on all the topics that matter most to your business, from AI to network security to driving rapid, relevant transformation for your business.
Learn more
A keynote speaker giving a presentation at a conference. There are dozens of people sitting around them. The presentation is displayed via projector on all the walls in the room.

Leadership voices

Juniper Networks’ leaders operate on the front lines of creating the network of the future. Take a look around to see what’s on their minds.
Watch now
Bob Friday and Jessica Garrison speaking

Bob Friday Talks

Join Bob as he ventures into all the knowns -- and -- unknowns -- of AI.
Catch the latest episode
Documentation
Menu
License Guide
Quick Starts
Validated Designs
Explore Pathfinder Apps
CLI Explorer
Feature Explorer
Hardware Compatibility Tool
Port Checker
Browse All
Collapse

Pathfinder Apps

All

By Software

By Hardware

Learn More
Pathfinder HomeCLI ExplorerCompliance AdvisorFeature ExplorerHardware Compatibility ToolJunos XML API ExplorerJunos YANG Data Model ExplorerPort CheckerPower CalculatorSNMP MIB ExplorerSystem Log Explorer
CLI ExplorerFeature ExplorerJunos XML API ExplorerJunos YANG Data Model ExplorerSNMP MIB ExplorerSystem Log Explorer
Compliance AdvisorFeature ExplorerHardware Compatibility ToolPort CheckerPower Calculator
Home Documentation Junos OS Junos CLI Reference CLI Reference S

Junos CLI Reference

keyboard_arrow_up
close
keyboard_arrow_left
Junos CLI Reference
Table of Contents Expand all
list Table of Contents
file_download PDF
{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
English
ON THIS PAGE
keyboard_arrow_right

show chassis environment (Security)

date_range 19-Nov-23
arrow_backward
arrow_forward

Syntax

content_copy zoom_out_map
show chassis environment

Description

Display environmental information about the services gateway chassis, including the temperature and information about the fans, power supplies, and Routing Engine.

Options

none

Display environmental information about the device.

cb slot-number

Display chassis environmental information for the Control Board.

fpc fpc-slot

Display chassis environmental information for a specified Flexible PIC Concentrator.

fpm

Display chassis environmental information for the craft interface (FPM).

node

Display node specific chassis information.

pem slot-number

Display chassis environmental information for the specified Power Entry Module.

routing-engine slot-number

Display chassis environmental information for the specified Routing Engine.

Required Privilege Level

view

Output Fields

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

Table 1: show chassis environment Output Fields

Field Name

Field Description

Temp

Temperature of air flowing through the chassis in degrees Celsius (C) and Fahrenheit (F).

Fan

Fan status: OK, Testing (during initial power-on), Failed, or Absent.

Sample Output

show chassis environment

content_copy zoom_out_map
user@host> show chassis environment
user@host> show chassis environment
Class Item                           Status     Measurement
Temp  PEM 0                          OK         40 degrees C / 104 degrees F
      PEM 1                          OK         40 degrees C / 104 degrees F
      PEM 2                          OK         40 degrees C / 104 degrees F
      PEM 3                          OK         45 degrees C / 113 degrees F
      Routing Engine 0               OK         31 degrees C / 87 degrees F
      Routing Engine 0 CPU           OK         27 degrees C / 80 degrees F
      Routing Engine 1               Absent
      Routing Engine 1 CPU           Absent
      CB 0 Intake                    OK         28 degrees C / 82 degrees F
      CB 0 Exhaust A                 OK         27 degrees C / 80 degrees F
      CB 0 Exhaust B                 OK         29 degrees C / 84 degrees F
      CB 0 ACBC                      OK         29 degrees C / 84 degrees F
      CB 0 SF A                      OK         36 degrees C / 96 degrees F
      CB 0 SF B                      OK         31 degrees C / 87 degrees F
      CB 1 Intake                    OK         27 degrees C / 80 degrees F
      CB 1 Exhaust A                 OK         26 degrees C / 78 degrees F
      CB 1 Exhaust B                 OK         29 degrees C / 84 degrees F
      CB 1 ACBC                      OK         27 degrees C / 80 degrees F
      CB 1 SF A                      OK         36 degrees C / 96 degrees F
      CB 1 SF B                      OK         31 degrees C / 87 degrees F
      CB 2 Intake                    Absent
      CB 2 Exhaust A                 Absent
      CB 2 Exhaust B                 Absent
      CB 2 ACBC                      Absent
      CB 2 XF A                      Absent
      CB 2 XF B                      Absent
      FPC 0 Intake                   OK         47 degrees C / 116 degrees F
      FPC 0 Exhaust A                OK         44 degrees C / 111 degrees F
      FPC 0 Exhaust B                OK         52 degrees C / 125 degrees F
      FPC 0 xlp0 TSen                OK         51 degrees C / 123 degrees F
      FPC 0 xlp0 Chip                OK         46 degrees C / 114 degrees F
      FPC 0 xlp1 TSen                OK         51 degrees C / 123 degrees F
      FPC 0 xlp1 Chip                OK         47 degrees C / 116 degrees F
      FPC 0 xlp2 TSen                OK         44 degrees C / 111 degrees F
      FPC 0 xlp2 Chip                OK         42 degrees C / 107 degrees F
      FPC 0 xlp3 TSen                OK         48 degrees C / 118 degrees F
      FPC 0 xlp3 Chip                OK         43 degrees C / 109 degrees F
      FPC 1 Intake                   OK         41 degrees C / 105 degrees F
      FPC 1 Exhaust A                OK         41 degrees C / 105 degrees F
      FPC 1 Exhaust B                OK         51 degrees C / 123 degrees F
      FPC 1 LU TSen                  OK         46 degrees C / 114 degrees F
      FPC 1 LU Chip                  OK         45 degrees C / 113 degrees F
      FPC 1 XM TSen                  OK         46 degrees C / 114 degrees F
      FPC 1 XM Chip                  OK         52 degrees C / 125 degrees F
      FPC 1 xlp0 TSen                OK         49 degrees C / 120 degrees F
      FPC 1 xlp0 Chip                OK         42 degrees C / 107 degrees F
      FPC 1 xlp1 TSen                OK         49 degrees C / 120 degrees F
      FPC 1 xlp1 Chip                OK         44 degrees C / 111 degrees F
      FPC 1 xlp2 TSen                OK         38 degrees C / 100 degrees F
      FPC 1 xlp2 Chip                OK         39 degrees C / 102 degrees F
      FPC 1 xlp3 TSen                OK         44 degrees C / 111 degrees F
      FPC 1 xlp3 Chip                OK         42 degrees C / 107 degrees F
      FPC 2 Intake                   OK         29 degrees C / 84 degrees F
      FPC 2 Exhaust A                OK         34 degrees C / 93 degrees F
      FPC 2 Exhaust B                OK         40 degrees C / 104 degrees F
      FPC 2 I3 0 TSensor             OK         42 degrees C / 107 degrees F
      FPC 2 I3 0 Chip                OK         41 degrees C / 105 degrees F
      FPC 2 I3 1 TSensor             OK         40 degrees C / 104 degrees F
      FPC 2 I3 1 Chip                OK         39 degrees C / 102 degrees F
      FPC 2 I3 2 TSensor             OK         38 degrees C / 100 degrees F
      FPC 2 I3 2 Chip                OK         37 degrees C / 98 degrees F
      FPC 2 I3 3 TSensor             OK         35 degrees C / 95 degrees F
      FPC 2 I3 3 Chip                OK         35 degrees C / 95 degrees F
      FPC 2 IA 0 TSensor             OK         45 degrees C / 113 degrees F
      FPC 2 IA 0 Chip                OK         42 degrees C / 107 degrees F
      FPC 2 IA 1 TSensor             OK         41 degrees C / 105 degrees F
      FPC 2 IA 1 Chip                OK         43 degrees C / 109 degrees F
      FPC 9 Intake                   OK         29 degrees C / 84 degrees F
      FPC 9 Exhaust A                OK         41 degrees C / 105 degrees F
      FPC 9 Exhaust B                OK         48 degrees C / 118 degrees F
      FPC 9 LU TSen                  OK         48 degrees C / 118 degrees F
      FPC 9 LU Chip                  OK         47 degrees C / 116 degrees F
      FPC 9 XM TSen                  OK         48 degrees C / 118 degrees F
      FPC 9 XM Chip                  OK         54 degrees C / 129 degrees F
      FPC 9 xlp0 TSen                OK         45 degrees C / 113 degrees F
      FPC 9 xlp0 Chip                OK         42 degrees C / 107 degrees F
      FPC 9 xlp1 TSen                OK         49 degrees C / 120 degrees F
      FPC 9 xlp1 Chip                OK         46 degrees C / 114 degrees F
      FPC 9 xlp2 TSen                OK         37 degrees C / 98 degrees F
      FPC 9 xlp2 Chip                OK         40 degrees C / 104 degrees F
      FPC 9 xlp3 TSen                OK         45 degrees C / 113 degrees F
      FPC 9 xlp3 Chip                OK         41 degrees C / 105 degrees F
      FPC 10 Intake                  OK         32 degrees C / 89 degrees F
      FPC 10 Exhaust A               OK         44 degrees C / 111 degrees F
      FPC 10 Exhaust B               OK         53 degrees C / 127 degrees F
      FPC 10 LU 0 TSen               OK         43 degrees C / 109 degrees F
      FPC 10 LU 0 Chip               OK         52 degrees C / 125 degrees F
      FPC 10 LU 1 TSen               OK         43 degrees C / 109 degrees F
      FPC 10 LU 1 Chip               OK         44 degrees C / 111 degrees F
      FPC 10 LU 2 TSen               OK         43 degrees C / 109 degrees F
      FPC 10 LU 2 Chip               OK         50 degrees C / 122 degrees F
      FPC 10 LU 3 TSen               OK         43 degrees C / 109 degrees F
      FPC 10 LU 3 Chip               OK         58 degrees C / 136 degrees F
      FPC 10 XM 0 TSen               OK         43 degrees C / 109 degrees F
      FPC 10 XM 0 Chip               OK         53 degrees C / 127 degrees F
      FPC 10 XF 0 TSen               OK         43 degrees C / 109 degrees F
      FPC 10 XF 0 Chip               OK         64 degrees C / 147 degrees F
      FPC 10 PLX Switch TSen         OK         43 degrees C / 109 degrees F
      FPC 10 PLX Switch Chip         OK         44 degrees C / 111 degrees F
      FPC 11 Intake                  OK         32 degrees C / 89 degrees F
      FPC 11 Exhaust A               OK         41 degrees C / 105 degrees F
      FPC 11 Exhaust B               OK         56 degrees C / 132 degrees F
      FPC 11 LU 0 TSen               OK         45 degrees C / 113 degrees F
      FPC 11 LU 0 Chip               OK         50 degrees C / 122 degrees F
      FPC 11 LU 1 TSen               OK         45 degrees C / 113 degrees F
      FPC 11 LU 1 Chip               OK         47 degrees C / 116 degrees F
      FPC 11 LU 2 TSen               OK         45 degrees C / 113 degrees F
      FPC 11 LU 2 Chip               OK         52 degrees C / 125 degrees F
      FPC 11 LU 3 TSen               OK         45 degrees C / 113 degrees F
      FPC 11 LU 3 Chip               OK         60 degrees C / 140 degrees F
      FPC 11 XM 0 TSen               OK         45 degrees C / 113 degrees F
      FPC 11 XM 0 Chip               OK         56 degrees C / 132 degrees F
      FPC 11 XF 0 TSen               OK         45 degrees C / 113 degrees F
      FPC 11 XF 0 Chip               OK         65 degrees C / 149 degrees F
      FPC 11 PLX Switch TSen         OK         45 degrees C / 113 degrees F
      FPC 11 PLX Switch Chip         OK         46 degrees C / 114 degrees F
Fans  Top Fan Tray Temp              OK         34 degrees C / 93 degrees F
      Top Tray Fan 1                 OK         Spinning at normal speed
      Top Tray Fan 2                 OK         Spinning at normal speed
      Top Tray Fan 3                 OK         Spinning at normal speed
      Top Tray Fan 4                 OK         Spinning at normal speed
      Top Tray Fan 5                 OK         Spinning at normal speed
      Top Tray Fan 6                 OK         Spinning at normal speed
      Top Tray Fan 7                 OK         Spinning at normal speed
      Top Tray Fan 8                 OK         Spinning at normal speed
      Top Tray Fan 9                 OK         Spinning at normal speed
      Top Tray Fan 10                OK         Spinning at normal speed
      Top Tray Fan 11                OK         Spinning at normal speed
      Top Tray Fan 12                OK         Spinning at normal speed
      Bottom Fan Tray Temp           OK         31 degrees C / 87 degrees F
      Bottom Tray Fan 1              OK         Spinning at normal speed
      Bottom Tray Fan 2              OK         Spinning at normal speed
      Bottom Tray Fan 3              OK         Spinning at normal speed
      Bottom Tray Fan 4              OK         Spinning at normal speed
      Bottom Tray Fan 5              OK         Spinning at normal speed
      Bottom Tray Fan 6              OK         Spinning at normal speed
      Bottom Tray Fan 7              OK         Spinning at normal speed
      Bottom Tray Fan 8              OK         Spinning at normal speed
      Bottom Tray Fan 9              OK         Spinning at normal speed
      Bottom Tray Fan 10             OK         Spinning at normal speed
      Bottom Tray Fan 11             OK         Spinning at normal speed
      Bottom Tray Fan 12             OK         Spinning at normal speed                OK

When you enter the show chassis environment pem command, the sample output is shown for AC PEM.

content_copy zoom_out_map
user@host# run show chassis environment pem node 0 | no-more
node0:
--------------------------------------------------------------------------
PEM 0 status:
  State                      Online
  Airflow                    Front to Back                          
  Temperature                             OK                                     
  DC Output           Voltage(V) Current(A)  Power(W)  Load(%)
                        12          9             108      16    
PEM 1 status:
  State                      Online
  Airflow                    Front to Back                          
  Temperature                             OK                                     
  DC Output           Voltage(V) Current(A)  Power(W)  Load(%)
                        12          9             108      16

When you enter the show chassis environment pem command, the sample output is shown for DC PEM.

content_copy zoom_out_map
user@host> show chassis environment pem
node0:
--------------------------------------------------------------------------
PEM 0 status:
  State                      Online
  Temperature                OK                                      
  DC Input:                  OK
  DC Output           Voltage(V) Current(A)  Power(W)  Load(%)
                          50        12            600      24     
PEM 1 status:
  State                      Online
  Temperature                OK                                      
  DC Input:                  OK
  DC Output           Voltage(V) Current(A)  Power(W)  Load(%)
                          50        31            1550     63     

node1:
--------------------------------------------------------------------------
PEM 0 status:
  State                      Online
  Temperature                OK                                      
  DC Input:                  OK
  DC Output           Voltage(V) Current(A)  Power(W)  Load(%)
                          50        12            600      24     
PEM 1 status:                           
  State                      Online
  Temperature                OK                                      
  DC Input:                  OK
  DC Output           Voltage(V) Current(A)  Power(W)  Load(%)
                          49        31            1519     62

show chassis environment fpc (SRX5800, SRX5400, and SRX5600)

content_copy zoom_out_map
user@host> show chassis environment fpc
FPC 1 status:
  State                      Online
  Temperature Intake         34 degrees C / 93 degrees F            
  Temperature Exhaust A      48 degrees C / 118 degrees F           
  Temperature Exhaust B      48 degrees C / 118 degrees F           
  Temperature CPU0 DTS       55 degrees C / 131 degrees F           
  Temperature CPU1 DTS       60 degrees C / 140 degrees F           
  Temperature CPU2 DTS       54 degrees C / 129 degrees F           
  Temperature CPU3 DTS       70 degrees C / 158 degrees F           
  Temperature Talus 0        106 degrees C / 222 degrees F          
  Temperature Middle 0       40 degrees C / 104 degrees F           
  Temperature Talus 1        76 degrees C / 168 degrees F           
  Temperature Middle 1       67 degrees C / 152 degrees F           
  Power                     
         TALUS0-1.20V                1199 mV   14187 mA   17010 mW
         TALUS0-0.90V                 900 mV    5000 mA    4500 mW
         BIAS0-3.30V                 3299 mV    3769 mA   12433 mW
         PIC0_CPU_memory_CD-1.20     1199 mV    3781 mA    4533 mW
         USB0-5.00V                  5000 mV     155 mA     775 mW
         PIC0_CPU_memory_AB-1.20     1200 mV    5820 mA    6984 mW
         PCH0-1.05V                  1050 mV    3582 mA    3761 mW
         TALUS1-1.20V                1199 mV   13640 mA   16354 mW
         TALUS1-0.90V                 899 mV    4679 mA    4206 mW
         BIAS1-3.30V                 3300 mV    3175 mA   10477 mW
         PIC1_CPU_memory_GH-1.20     1200 mV    4648 mA    5577 mW
         USB1-5.00V                  4999 mV     346 mA    1729 mW
         PIC1_CPU_memory_EF-1.20     1200 mV    5218 mA    6261 mW
         PCH1-1.05V                  1050 mV    3328 mA    3494 mW
         TPS53641-CPU0               1750 mV   46062 mA   80608 mW
         TPS53641-CPU1               1739 mV   47437 mA   82492 mW
         TPS53641-CPU2               1750 mV   45250 mA   79187 mW
         TPS53641-CPU3               1739 mV   46875 mA   81515 mW
         ETH-1.00V                    994 mV    2674 mA    2657 mW
         TALUS0_Core-0.85V            849 mV   37750 mA   32049 mW
         TALUS1_Core-0.85V            849 mV   26750 mA   22710 mW
         Power_Brick1-12.00V        12001 mV   21000 mA  252021 mW
         Power_Brick2-12.00V        11998 mV   23125 mA  277453 mW
         PIM4820_48V0-48.00V        58392 mV   10286 mA  600620 mW
         I2C Slave Revision         0

Release Information

Command introduced in Junos OS Release 9.2.

Related Documentation

arrow_backward PREVIOUS show chassis environment scg
NEXT arrow_forward show chassis environment sfb
footer-navigation

© 1999 - 2025 Juniper Networks, Inc. All rights reserved.

Scroll to top