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Configuration Guide - Device Management

S7700 and S9700 V200R013C00

This document describes the configurations of Device Management, including device status query, hardware management, CSS, SVF, PoE, OPS, OIDS, energy-saving management, information center, fault management, NTP, synchronous ethernet, PTP.
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Displaying Power Supply and Power Information

Displaying Power Supply and Power Information

Context

If a power supply fault occurs on a device, you can run the following display commands to view power supply and power information.

Procedure

  • Run the display power command to view power supply information.
  • Run the display power system command to view system power information.

FAQ

How Can I Determine Whether the Power Supply Status Is Abnormal?

The power supply status is abnormal in either of the following situations:
  1. Run the display power command to view the power supply status. If the State field displays NotSupply, the power module does not supply power. Check whether the power module is installed properly and whether the power switch is turned on.
    <HUAWEI> display power
    M - Master supply  S - Standby supply  A - Always in used 
    ------------------------------------------------------------------------------------                                                
     PowerID  Online  Mode   State      Current(A)   Voltage(V)   RealPwr(W)   RealRole                                                 
    ------------------------------------------------------------------------------------ 
     PWR1     Present AC     NotSupply  -            -            -           -              
     PWR2     Present AC     Supply     0.82         53.40        43.79        M         
     PWR3     Present AC     Supply     0.97         53.51        51.90        S         
     PWR4     Present AC     Supply     0.95         53.51        50.83        S         
     PWR5     Absent  -      -          -            -            -            -              
     PWR6     Absent  -      -          -            -            -            -              
  2. Run the display device command to view the power supply status. If the State field displays Unregistered or Abnormal, the power supply status is abnormal. You can run the display alarm all command to check whether there are any power supply alarms.

    <HUAWEI> display alarm all
    ----------------------------------------------------------------------------
    Level          Date        Time                Info
    
    Warning      2014-07-28  15:19:02        Fan is invalid for some reason.(Phys
                                         icalName=[FAN2], EntityTrapFaultID=139266
                                         )
    Emergency    2014-07-28  15:19:00        Power is invalid for not support DC1
                                         600 and DC2400.(PhysicalName=[PWR2])
    Emergency    2014-07-28  15:18:59        Power is invalid for not support DC1
                                         600 and DC2400.(PhysicalName=[PWR1])
    ----------------------------------------------------------------------------  
    Common power supply alarms are as follows:
    • If the alarm information contains Power is invalid for not support, an incompatible power module is installed in the device.
    • If PWR_LACK and SWITCH_STAT sensor alarms are generated on the same power module, the power module is installed but is not connected to any power cable or the power switch is not turned on.
    • If only the PWR_FAULT alarm is generated, a fan failure, output overvoltage, external short circuit, output failure, or input failure has occurred on the power module.

For details about how to troubleshoot an abnormal power supply, see "A Power Module Does Not Work Normally" in the Troubleshooting - Hardware Troubleshooting.

How Can I Determine Whether a Power Module Is AC or DC?

Run the display power command to view power supply information. In the Mode field, AC indicates that the power module is an AC power module, and DC indicates that the power module is a DC power module.
<HUAWEI> display power
M - Master supply  S - Standby supply  A - Always in used 
---------------------------------------------------------------------------------------------                                                
 PowerID  Online  Mode   State      Current(A)   Voltage(V)   RealPwr(W)   RealRole                                                 
---------------------------------------------------------------------------------------------
 PWR1     Present AC     Supply     2.73         53.56        146.22       M         
 PWR2     Absent  -      -          -            -            -            -              
 POE1     Absent  -      -          -            -            -            -              

How Can I View the Power Information of Power Modules?

Run the display power system command to view power information, including the total system power, reserved system power, and card rated power. Card rated power information displays the rated power of power modules.
<HUAWEI> display power system
 The total power supplied   : 1600.00(W)
 Number of backup power supplies: 0
 The maximum power needed   : 1295.40(W)  (Include the remain reserved power)
 The remain reserved power  : 101.00(W)
 The remain power           : 304.60(W)
 The system rated power detail information :
-------------------------------------------------
 Slot      BoardName      State        Power(W)
-------------------------------------------------
 1         LPU board      On           131.00
 2         LPU board      On           339.00
 3         LPU board      On           130.00
 4         LPU board      On           178.40
 6         MPU board      On           100.00
 8         SFU board      On           83.00
 CMU1      CMU board      On           1.00
 FAN1      FAN board      On           116.00
 FAN2      FAN board      On           116.00
 PWR1      PWR board      On           800.00
 PWR2      PWR board      On           800.00

What Are the MIB OIDs of System Power Information?

The following table describes the MIB OIDs of system power information.

Object Name

OID

Syntax

Description

Max Access

hwSystemPowerDeviceID

1.3.6.1.4.1.2011.5.25.31.1.1.14.1.1

Integer32

This object indicates the device ID.

read-only

hwSystemPowerTotalPower

1.3.6.1.4.1.2011.5.25.31.1.1.14.1.2

Integer32

This object indicates the total system power.

read-only

hwSystemPowerUsedPower

1.3.6.1.4.1.2011.5.25.31.1.1.14.1.3

Integer32

This object indicates the used system power.

read-only

hwSystemPowerRemainPower

1.3.6.1.4.1.2011.5.25.31.1.1.14.1.4

Integer32

This object indicates the remaining system power.

read-only

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Updated: 2019-04-20

Document ID: EDOC1100065738

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