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Syntax
Syntax (ACX4000 Router)
Syntax (TX Matrix Routers)
Syntax (TX Matrix Plus Routers)
Syntax (MX Series Router)
Syntax (PTX Series Router)
Syntax (MX104 Universal Routing Platforms)
Syntax (MX10003, MX204, MX10004, MX10008, OCX Series, EX9251, and EX9253 devices)
Syntax (QFX Series)
Description
Options
Required Privilege Level
Output Fields
Sample Output
Release Information

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show chassis environment pem

date_range 29-Nov-24

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Syntax

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show chassis environment pem 
<slot>

Syntax (ACX4000 Router)

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show chassis environment pem

Syntax (TX Matrix Routers)

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show chassis environment pem 
<lcc number | scc>
<slot> 

Syntax (TX Matrix Plus Routers)

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show chassis environment pem
<lcc number | sfc number>
<slot> 

Syntax (MX Series Router)

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

Syntax (PTX Series Router)

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

Syntax (MX104 Universal Routing Platforms)

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show chassis environment pem
<slot>
<satellite [fpc-slot slot-id |device-alias  alias-name]

Syntax (MX10003, MX204, MX10004, MX10008, OCX Series, EX9251, and EX9253 devices)

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show chassis environment pem
<slot>

Syntax (QFX Series)

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show chassis environment pem
<slot (interconnect-device name slot ) | (node-device name)>

Description

Display Power Entry Module (PEM) environmental status information.

Note:

The new high-capacity (4100W) enhanced DC PEM on MX960 routers includes a new design that can condition the input voltage. This results in the output voltage differing from the input voltage. The earlier generation of DC PEMs coupled the input power directly to the output, thereby making it safe to assume that the output voltage was equal to the input voltage.

Starting in Junos OS Release 23.1, on QFX10008 and QFX10016 switches, you can see the version of the primary firmware available on the power supply.

Options

none	Display environmental information about both PEMs. For the TX Matrix router, display environmental information about the PEMs, the TX Matrix router, and its attached T640 routers. For the TX Matrix Plus router, display environmental information about the PEMs, the TX Matrix Plus router, and its attached routers.
all-members	(MX Series routers only) (Optional) Display environmental information about the PEMs in all the member routers of the Virtual Chassis configuration.
interconnect-device `name`	(QFabric systems only) (Optional) Display chassis environmental information about the PEMs in the Interconnect device.
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.
local	(MX Series routers only) (Optional) Display environmental information about the PEM in the local Virtual Chassis member.
member `member-id`	(MX Series routers only) (Optional) Display environmental information about the PEM in the specified member of the Virtual Chassis configuration. Replace `member-id` with a value of 0 or 1.
node-device `name`	(QFabric systems only) (Optional) Display chassis environmental information about the PEMs in the Node device.
satellite [fpc-slot `slot-id` \| device-alias `alias-name`]	(Junos Fusion only)(Optional) Display environmental information about the PEM in the specified satellite device in a Junos Fusion, or for all satellite devices in the Junos Fusion if no satellite devices are specified.
scc	(TX Matrix routers only) (Optional) Display environmental information about the PEM in the TX Matrix router (or switch-card chassis).
sfc	(TX Matrix Plus routers only) (Optional) Display environmental information about the PEM in the TX Matrix Plus router (or switch-fabric chassis).
`slot`	(Optional) Display environmental information about an individual PEM. Replace `slot` with 0 or 1.

Required Privilege Level

view

Output Fields

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

Table 1: show chassis environment pem Output Fields
Field Name	Field Description
PEM`slot`status	Number of the PEM slot.
State	Status of the PEM. Note: PEM with no feeds connected at bootup on MX10004 and MX10008 devices, continues to stay in "Present" state until feeds are connected to it. PEM with feeds connected at bootup, continues to move to OFFLINE state. "Present" state is only a transitional state that can either move to OFFLINE (or) ONLINE depending on the PEM output. For example, a PEM with no feeds connected at bootup, moves through the states from "Empty" to "Present" to "Offline" state.
Temperature	Temperature of the air flowing past the PEM.
AC Input	Status of the AC input for the specified component
AC Output	Status of the AC output for the specified component.
DC input	Status of the DC input for the specified component.
DC output	Status of the DC output for the specified component.
Load	(Not available on M40e or M160 routers) Information about the load on supply, in percentage of rated current being used.
Voltage	(M120, M160, M320, T640, T1600, TX Matrix, and TX Matrix Plus routers only) Information about voltage supplied to the PEM. (MX104 routers only) Information about voltage supplied by the PEM to the system.
Current	(T640, T1600, TX Matrix, and TX Matrix Plus routers only) Information about the PEM current.
Power	(T640, T1600, TX Matrix, and TX Matrix Plus routers only) Information about the PEM power.
SCG/CB/SIB	(T640, T1600, TX Matrix, and TX Matrix Plus routers only) SONET Clock Generator/Control Board/Switch Interface Board.
FAN	(T640, T1600, and T4000 routers with six-input DC power supply only) Information about the DC output to the fan.

Sample Output

show chassis environment pem (M40e Router)
show chassis environment pem (M120 Router)
show chassis environment pem (M160 Router)
show chassis environment pem (M320 Router)
show chassis environment pem (MX150)
show chassis environment pem (MX104 Router)
show chassis environment pem (MX240 Router)
show chassis environment pem (MX480 Router)
show chassis environment pem (MX960 Router)
show chassis environment pem (MX10003 Router)
show chassis environment pem 0 (MX10004)
show chassis environment pem (MX204 Router)
show chassis environment pem (MX10008 Router)
show chassis environment pem (PTX10016 Router)
show chassis environment pem (T320 Router)
show chassis environment pem (T640 Router)
show chassis environment pem (T4000 Router)
show chassis environment pem (T640/T1600/T4000 Routers With Six-Input DC Power Supply)
show chassis environment pem lcc (TX Matrix Routing Matrix)
show chassis environment pem scc (TX Matrix Routing Matrix)
show chassis environment pem sfc (TX Matrix Plus Routing Matrix)
show chassis environment pem lcc (TX Matrix Plus Routing Matrix)
show chassis environment pem node-device (QFabric System)
show chassis environment pem (QFX Series and OCX Series)
show chassis environment pem (QFX 10016)
show chassis environment pem interconnect-device (QFabric System)
show chassis environment pem (EX9251 Switches)
show chassis environment pem (EX9253 Switches)
show chassis environment pem (PTX1000 Packet Transport Routers)
show chassis environment pem (ACX7100, ACX7024, ACX 7509)