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show chassis environment psm

Syntax

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)

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

show chassis environment psm (MX2010 Router)

show chassis environment psm (MX2008 Router)

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.