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Syntax
Syntax (TX Matrix and TX Matrix Plus Router)
Description
Options
Required Privilege Level
Output Fields
Sample Output
Release Information

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show chassis environment scg

date_range 19-Nov-23

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Syntax

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show chassis environment scg 
<slot>

Syntax (TX Matrix and TX Matrix Plus Router)

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show chassis environment scg 
<lcc number>
<slot> 

Description

Display SONET Clock Generator (SCG) environmental information.

Options

none

(TX Matrix and TX Matrix Plus routers only) Display environmental information about all SCGs. On a TX Matrix router, display environmental information about all SCGs on the TX Matrix router and its attached T640 routers. On a TX Matrix Plus router, display environmental information about all SCGs on the TX Matrix Plus router and its attached routers.

lcc number

(TX Matrix router and TX Matrix Plus router only) (Optional) Line-card chassis number.

Replace number with the following values depending on the LCC configuration:

0 through 3, when T640 routers are connected to a TX Matrix router in a routing matrix.
0 through 3, when T1600 routers are connected to a TX Matrix Plus router in a routing matrix.
0 through 7, when T1600 routers are connected to a TX Matrix Plus router with 3D SIBs in a routing matrix.
0, 2, 4, or 6, when T4000 routers are connected to a TX Matrix Plus router with 3D SIBs in a routing matrix.

slot

(Optional) Display environmental information about the SCG. Replace slot with 0 or 1.

Required Privilege Level

view

Output Fields

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

Table 1: show chassis environment scg Output Fields
Field Name	Field Description
SCG `slot` status	Number of the SCG slot: 0 or 1.
State	Status of the SCG: Online—SCG is online and running. Offline—SCG is powered down. If two SCGs are installed and online, one is functioning as the primary, and the other is the standby.
Temperature	Temperature of the air flowing past the SCG.
Power	Power on the SCG. The left column displays required power, in volts. The right column displays measured power, in millivolts.
BUS Revision	Revision level of the generic bus device.

Sample Output

show chassis environment scg (T Series Routers)
show chassis environment scg (T4000 Core Routers)
show chassis environment scg lcc (TX Matrix Router)
show chassis environment scg lcc (TX Matrix Plus Router)
show chassis environment scg (TX Matrix Plus Router)

show chassis environment scg (T Series Routers)

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user@host> show chassis environment scg              
SCG 0 status:
  State                           Online -  Master clock
  Temperature                  29 degrees C / 84 degrees F
  Power:
    GROUND                      0 mV
    3.3 V                    3297 mV
    5.0 V                    5050 mV
    5.6 V                    5682 mV
    1.8 V bias               1787 mV
    3.3 V bias               3277 mV
    5.0 V bias               4984 mV
    8.0 V bias               8400 mV
  BUS Revision                 40
SCG 1 status:
  State                           Online - Standby
  Temperature                  28 degrees C / 82 degrees F
  Power:
    GROUND                      0 mV
    3.3 V                    3317 mV
    5.0 V                    5057 mV
    5.6 V                    5689 mV
    1.8 V bias               1794 mV
    3.3 V bias               3296 mV
    5.0 V bias               4991 mV
    8.0 V bias               8410 mV
    BUS Revision               40

show chassis environment scg (T4000 Core Routers)

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user@host> show chassis environment scg 
SCG 0 status:
  State                      Online -  Master clock
  Temperature                33 degrees C / 91 degrees F             
  Power                      
    GROUND                       0 mV
    1.8 V bias                1794 mV
    3.3 V                     3310 mV
    3.3 V bias                3299 mV
    5.0 V                     5040 mV
    5.0 V bias                5003 mV
    5.6 V                     5780 mV
    8.0 V bias                7416 mV
  Bus Revision               40
SCG 1 status:
  State                      Online - Standby  
  Temperature                33 degrees C / 91 degrees F             
  Power                      
    GROUND                       0 mV
    1.8 V bias                1794 mV
    3.3 V                     3319 mV
    3.3 V bias                3286 mV
    5.0 V                     5047 mV
    5.0 V bias                5013 mV
    5.6 V                     5758 mV
    8.0 V bias                7347 mV
  Bus Revision               40

show chassis environment scg lcc (TX Matrix Router)

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user@host> show chassis environment scg lcc
0 0             
lcc0-re0:
--------------------------------------------------------------------------
SCG 0 status:
  State                           Online -  Master clock
  Temperature                  30 degrees C / 86 degrees F
  Power:
    GROUND                      0 mV
    3.3 V                    3321 mV
    5.0 V                    5062 mV
    5.6 V                    5682 mV
    1.8 V bias               1789 mV
    3.3 V bias               3289 mV
    5.0 V bias               4993 mV
    8.0 V bias               7807 mV
  BUS Revision                 40

show chassis environment scg lcc (TX Matrix Plus Router)

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user@host> show chassis environment scg lcc
0             
lcc0-re0:
--------------------------------------------------------------------------
SCG 0 status:
  State                      Online -  Master clock
  Temperature                42 degrees C / 107 degrees F            
  Power                      
    GROUND                       0 mV
    1.8 V bias                1800 mV
    3.3 V                     3290 mV
    3.3 V bias                3304 mV
    5.0 V                     5042 mV
    5.0 V bias                4979 mV
    5.6 V                     5765 mV
    8.0 V bias                7682 mV
  Bus Revision               40

show chassis environment scg (TX Matrix Plus Router)

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user@host> show chassis environment scg
lcc0-re0:
--------------------------------------------------------------------------
SCG 0 status:
  State                      Online -  Master clock
  Temperature                40 degrees C / 104 degrees F            
  Power                      
    GROUND                       0 mV
    1.8 V bias                1800 mV
    3.3 V                     3291 mV
    3.3 V bias                3304 mV
    5.0 V                     5042 mV
    5.0 V bias                4979 mV
    5.6 V                     5765 mV
    8.0 V bias                7643 mV
  Bus Revision               40

lcc1-re0:
--------------------------------------------------------------------------
SCG 0 status:
  State                      Online -  Master clock
  Temperature                37 degrees C / 98 degrees F             
  Power                      
    GROUND                       0 mV
    1.8 V bias                1788 mV
    3.3 V                     3305 mV
    3.3 V bias                3284 mV
    5.0 V                     5042 mV
    5.0 V bias                5010 mV
    5.6 V                     5748 mV
    8.0 V bias                7692 mV
  Bus Revision               40

lcc2-re0:
--------------------------------------------------------------------------
SCG 0 status:
  State                      Online -  Master clock
  Temperature                39 degrees C / 102 degrees F            
  Power                      
    GROUND                       0 mV
    1.8 V bias                1785 mV
    3.3 V                     3306 mV
    3.3 V bias                3301 mV
    5.0 V                     5045 mV
    5.0 V bias                4993 mV
    5.6 V                     5765 mV
    8.0 V bias                7838 mV
  Bus Revision               40

lcc3-re0:
--------------------------------------------------------------------------
SCG 0 status:
  State                      Online -  Master clock
  Temperature                39 degrees C / 102 degrees F            
  Power                      
    GROUND                       0 mV
    1.8 V bias                1800 mV
    3.3 V                     3290 mV
    3.3 V bias                3294 mV
    5.0 V                     5050 mV
    5.0 V bias                4984 mV
    5.6 V                     5780 mV
    8.0 V bias                7716 mV
  Bus Revision               40

Release Information

Command introduced before Junos OS Release 7.4.

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