H3C S7500 Series Command Manual

Brand: H3C

Model: S7500 Series

Category: Power extensions

Type: Command Manual

H3C S7500 Series, a powerful line of Ethernet switches, offers a comprehensive range of features to enhance network performance and flexibility. With its PoE (Power over Ethernet) capabilities, the S7500 Series enables you to power devices such as IP phones, wireless access points, and security cameras through standard Ethernet cables, simplifying installation and reducing cabling requirements.

Command Manual – PoE

H3C S7500 Series Ethernet Switches Table of Contents

Table of Contents

Chapter 1 PoE Configuration Commands ..................................................................................1-1

1.1 PoE Configuration Commands..........................................................................................1-1

1.1.1 display poe interface...............................................................................................1-1

1.1.2 display poe interface power ....................................................................................1-3

1.1.3 display poe powersupply.........................................................................................1-5

1.1.4 display poe pse ....................................................................................................... 1-6

1.1.5 poe enable...............................................................................................................1-7

1.1.6 poe enable slot........................................................................................................1-8

1.1.7 poe legacy enable slot ............................................................................................1-9

1.1.8 poe max-power......................................................................................................1-10

1.1.9 poe max-power slot...............................................................................................1-10

1.1.10 poe mode ............................................................................................................1-11

1.1.11 poe power max-value..........................................................................................1-12

1.1.12 poe power-management.....................................................................................1-12

1.1.13 poe priority...........................................................................................................1-13

1.1.14 poe upgrade........................................................................................................1-14

Chapter 2 PoE PSU Supervision Configuration Commands ....................................................2-1

2.1 PoE PSU Supervision Display Commands .......................................................................2-1

2.1.1 display poe-power ac-input state............................................................................ 2-1

2.1.2 display poe-power alarm.........................................................................................2-2

2.1.3 display poe-power dc-output state..........................................................................2-3

2.1.4 display poe-power dc-output value......................................................................... 2-4

2.1.5 display poe-power switch state...............................................................................2-5

2.1.6 display supervision-module information..................................................................2-5

2.2 PoE PSU Supervision Configuration Commands..............................................................2-7

2.2.1 poe-power input-thresh lower.................................................................................. 2-7

2.2.2 poe-power input-thresh upper.................................................................................2-7

2.2.3 poe-power output-thresh lower............................................................................... 2-8

2.2.4 poe-power output-thresh upper...............................................................................2-9

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H3C S7500 Series Ethernet Switches Chapter 1

PoE Configuration Commands

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Chapter 1 PoE Configuration Commands

1.1 PoE Configuration Commands

1.1.1 display poe interface

Syntax

display poe interface { interface-type interface-number | all }

View

Any view

Parameters

interface-type interface-number: Port on the switch. Refer to Command Manual – Basic

Port Configuration for details.

all: Displays the PoE information of all the PoE ports on the switch.

Description

Use the display poe interface command to view the PoE status of a specific port. If the

all keyword is specified, the command displays the PoE status of all the PoE ports.

Examples

# Display the PoE status of Ethernet 3/0/1.

<H3C> display poe interface Ethernet 3/0/1

Port power status :PD searching

Port power mode :signal

Port PD class :0

port power priority :low

Port max power :15400 mW

Port current power :0 mW

Port average power :0 mW

Port peak power :0 mW

Port current :0 mA

Port voltage :0.0 V

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Table 1-1 Description on the fields of the display poe interface command

Field Description

Port power status

PoE status of the port:

Disabled: Power is disabled on the port.

PD searching: The port is searching PD.

delivering: The port is delivering power to PD.

PD disconnected: PD is disconnected.

testing: The port is testing the PD.

fault: Nonstandard PD is detected or failure occurs.

Port power mode

PoE mode of the port:

signal: The port supplies port in the signal mode.

spare: The port supplies power in the spare mode.

Port PD class Class of power to the PD

Port power priority

PoE priority of the port:

z critical: The highest

z high: High

z low: Low

Port max power The maximum available power on the port

Port current power The current power on the port

Port average power The average power on the port

Port peak power The peak power on the port

Port current The current on the port

Port voltage The voltage on the port

# Display the PoE status of all ports.

<H3C> display poe interface all

Interface Ethernet3/0/1 power status: delivering

Interface Ethernet3/0/2 power status: PD searching

Interface Ethernet3/0/3 power status: PD searching

Interface Ethernet3/0/4 power status: PD searching

Interface Ethernet3/0/5 power status: PD searching

Interface Ethernet3/0/6 power status: PD searching

Interface Ethernet3/0/7 power status: PD searching

Interface Ethernet3/0/8 power status: PD searching

Interface Ethernet3/0/9 power status: PD searching

Interface Ethernet3/0/10 power status: PD searching

Interface Ethernet3/0/11 power status: PD searching

Interface Ethernet3/0/12 power status: PD searching

Interface Ethernet3/0/13 power status: PD searching

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Interface Ethernet3/0/14 power status: PD searching

Interface Ethernet3/0/15 power status: PD searching

Interface Ethernet3/0/16 power status: PD searching

Interface Ethernet3/0/17 power status: delivering

Interface Ethernet3/0/18 power status: PD searching

Interface Ethernet3/0/19 power status: PD searching

Interface Ethernet3/0/20 power status: PD searching

Interface Ethernet3/0/21 power status: PD searching

Interface Ethernet3/0/22 power status: PD searching

Interface Ethernet3/0/23 power status: PD searching

Interface Ethernet3/0/24 power status: PD searching

Interface Ethernet3/0/25 power status: PD searching

Interface Ethernet3/0/26 power status: PD searching

Interface Ethernet3/0/27 power status: PD searching

Interface Ethernet3/0/28 power status: PD searching

Interface Ethernet3/0/29 power status: PD searching

Interface Ethernet3/0/30 power status: PD searching

Interface Ethernet3/0/31 power status: PD searching

Interface Ethernet3/0/32 power status: PD searching

Interface Ethernet3/0/33 power status: PD searching

Interface Ethernet3/0/34 power status: PD searching

Interface Ethernet3/0/35 power status: PD searching

Interface Ethernet3/0/36 power status: PD searching

Interface Ethernet3/0/37 power status: PD searching

Interface Ethernet3/0/38 power status: PD searching

Interface Ethernet3/0/39 power status: PD searching

Interface Ethernet3/0/40 power status: PD searching

Interface Ethernet3/0/41 power status: PD searching

Interface Ethernet3/0/42 power status: PD searching

Interface Ethernet3/0/43 power status: PD searching

Interface Ethernet3/0/44 power status: PD searching

Interface Ethernet3/0/45 power status: PD searching

Interface Ethernet3/0/46 power status: PD searching

Interface Ethernet3/0/47 power status: PD searching

Interface Ethernet3/0/48 power status: PD searching

1.1.2 display poe interface power

Syntax

display poe interface power { interface-type interface-number | all }

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PoE Configuration Commands

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View

Any view

Parameters

interface-type interface-number: Port on the switch. Refer to Command Manual – Port

for details.

all: Displays the power of all PoE ports on the switch.

Description

Use the display poe interface power command to view the power information of a

specific port of the switch. If the all keyword is specified, the command displays the

power information of all PoE ports on the switch.

Examples

# Display the power information of the PoE port Ethernet 3/0/1.

<H3C> display poe interface power Ethernet 3/0/1

Port power :700 mW

# Display the power information of all PoE ports.

<H3C> display poe interface power all

Interface Ethernet3/0/1 current power : 700 mw

Interface Ethernet3/0/2 current power : 0 mw

Interface Ethernet3/0/3 current power : 0 mw

Interface Ethernet3/0/4 current power : 0 mw

Interface Ethernet3/0/5 current power : 0 mw

Interface Ethernet3/0/6 current power : 0 mw

Interface Ethernet3/0/7 current power : 0 mw

Interface Ethernet3/0/8 current power : 0 mw

Interface Ethernet3/0/9 current power : 0 mw

Interface Ethernet3/0/10 current power : 0 mw

Interface Ethernet3/0/11 current power : 0 mw

Interface Ethernet3/0/12 current power : 0 mw

Interface Ethernet3/0/13 current power : 0 mw

Interface Ethernet3/0/14 current power : 0 mw

Interface Ethernet3/0/15 current power : 0 mw

Interface Ethernet3/0/16 current power : 0 mw

Interface Ethernet3/0/17 current power : 13900 mw

Interface Ethernet3/0/18 current power : 0 mw

Interface Ethernet3/0/19 current power : 0 mw

Interface Ethernet3/0/20 current power : 0 mw

Interface Ethernet3/0/21 current power : 0 mw

Interface Ethernet3/0/22 current power : 0 mw

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Interface Ethernet3/0/23 current power : 0 mw

Interface Ethernet3/0/24 current power : 0 mw

Interface Ethernet3/0/25 current power : 0 mw

Interface Ethernet3/0/26 current power : 0 mw

Interface Ethernet3/0/27 current power : 0 mw

Interface Ethernet3/0/28 current power : 0 mw

Interface Ethernet3/0/29 current power : 0 mw

Interface Ethernet3/0/30 current power : 0 mw

Interface Ethernet3/0/31 current power : 0 mw

Interface Ethernet3/0/32 current power : 0 mw

Interface Ethernet3/0/33 current power : 0 mw

Interface Ethernet3/0/34 current power : 0 mw

Interface Ethernet3/0/35 current power : 0 mw

Interface Ethernet3/0/36 current power : 0 mw

Interface Ethernet3/0/37 current power : 0 mw

Interface Ethernet3/0/38 current power : 0 mw

Interface Ethernet3/0/39 current power : 0 mw

Interface Ethernet3/0/40 current power : 0 mw

Interface Ethernet3/0/41 current power : 0 mw

Interface Ethernet3/0/42 current power : 0 mw

Interface Ethernet3/0/43 current power : 0 mw

Interface Ethernet3/0/44 current power : 0 mw

Interface Ethernet3/0/45 current power : 0 mw

Interface Ethernet3/0/46 current power : 0 mw

Interface Ethernet3/0/47 current power : 0 mw

Interface Ethernet3/0/48 current power : 0 mw

1.1.3 display poe powersupply

Syntax

display poe powersupply

View

Any view

Parameters

None

Description

Use the display poe powersupply command to view the parameters of the external

PoE power supply units (PSU).

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Examples

# Display the parameters of external PoE PSUs.

<H3C> display poe powersupply

Power Model :Spring Pms

Power Manufacturer :Tyco Electronics Com

Power Nominal Value :2400 W

Power Peak Value :0 W

Power Average Value :0 W

Power Current Current :0 mA

Power Current Voltage :54.0 V

Power Current Value :18 W

Power Software Version :512

Power Hardware Version :000

Table 1-2 Description on the fields of the display poe powersupply command

Field Description

Power Model Identification of the PSU manufacturer

Power manufacturer Name of the power manufacturer

Power Nominal Value Nominal power of the PSU

Power Peak Value Peak power of the PSU

Power Average Value Average power of the PSU

Power Current Current Current current of the PSU

Power Current Voltage Current voltage of the PSU

Power Current Value Current power of the PSU

Power Software Version Version of the PSU software

Power Hardware Version Version of the PSU hardware

1.1.4 display poe pse

Syntax

display poe pse

View

Any view

Parameters

None

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PoE Configuration Commands

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Description

Use the display poe pse command to display the parameters of all boards that serve

as power sourcing equipment (PSE).

Examples

# Display the parameters of all boards that serve as PSE on the switch.

<H3C> display poe pse

PSE Information of board 4:

Power Current Value :450 W

Power Max Value :806 W

Power Peak Value :700 W

Power Average Value :475 W

Software Version :290

Hardware Version :000

CPLD Version :000

Table 1-3 Description on the fields of the display poe pse command

Field Description

Power Current Value Current power of the board

Power Max Value Maximum power of the board

Power Peak Value Peak power of the board

Power Average Value Average power of the board

Software Version Version of the PSE software

Hardware Version Version of the PSE hardware

CPLD Version

Version of the PSE complex

programmable logic device (CPLD)

1.1.5 poe enable

Syntax

poe enable

undo poe enable

View

Ethernet port view

Parameters

None

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Description

Use the poe enable command to enable the PoE feature on a port.

Use the undo poe enable command to disable the PoE feature on a port.

By default, the PoE feature on a port is enabled if the PoE feature is enabled on a

board.

Examples

# Enable the PoE feature on Ethernet 3/0/1.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] interface Ethernet3/0/1

[H3C-Ethernet3/0/1] poe enable

1.1.6 poe enable slot

Syntax

poe enable slot slot-number

undo poe enable slot slot-number

View

System view

Parameters

slot-number: Number of the slot where the board resides.

Description

Use the poe enable slot command to enable the PoE feature on a board.

Use the undo poe enable slot command to disable the PoE feature on a board.

By default, the PoE feature is disabled on a board.

Note:

z Before enabling the PoE feature on a board, you must ensure that the remaining

power output is not less than the maximum power required for the board.

Otherwise, PoE cannot be enabled on the board correctly.

z After PoE is enabled on a PoE board, the rated power output shall be reserved for

the slot even when the board is removed from the slot. You need to release this

power output using the undo poe enable slot command.

z If you insert a PoE-incapable board into the slot for which a rated power output is

reserved, the reserved power output shall be released.

z If you insert a PoE board of another type into the slot for which a rated power

output is reserved, the switch still applies the former PoE configuration to the port.

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Examples

# Enable the PoE feature on the PoE board in slot 3.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] poe enable slot 3

1.1.7 poe legacy enable slot

Syntax

poe legacy enable slot slot-number

undo poe legacy enable slot slot-number

View

System view

Parameters

slot-number: Number of the slot where the board resides.

Description

Use the poe legacy enable slot command to enable the board to perform

PoE-compatibility detection for the remote PDs.

Use the undo poe legacy slot command to disable PoE-compatibility detection for the

remote PDs.

By default, PoE-compatibility detection for PDs is disabled on the board.

Through the PoE-compatibility detection, the switch can detect the PDs incompatible

with IEEE802.3af and supply power to them.

Caution:

PoE-compatibility detection process is very slow and has impact on the system

performance, so the PoE-compatibility detection is not recommended if all PDs

connected are IEEE802.3af-compatible ones.

Examples

# Enable PoE-compatibility detection on the PoE board in slot 2.

<H3C> system-view

System View: return to User View with Ctrl+Z.

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PoE Configuration Commands

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[H3C] poe enable slot 2

[H3C] poe legacy enable slot 2

1.1.8 poe max-power

Syntax

poe max-power max-power

undo poe max-power

View

Ethernet port view

Parameters

max-power: Maximum power distributed to the port, ranging from 1,000 to 15,400 in

mW.

Description

Use the poe max-power command to configure the maximum power supplied by the

current port.

Use the undo poe max-power command to restore the maximum power supplied by

the current port to the default value.

By default, the maximum power that a port can supply is 15,400 mW.

Examples

# Set the maximum power supplied by Ethernet 3/0/1 to 12,000 mW.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] interface Ethernet 3/0/1

[H3C-Ethernet3/0/1] poe max-power 12000

1.1.9 poe max-power slot

Syntax

poe max-power max-power slot slot-number

undo poe max-power slot slot-number

View

System view

Parameters

max-power: Maximum power distributed to the board, ranging from 37 to 806, in W.

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slot-num: Number of the slot where the board resides.

Description

Use the poe max-power command to set the maximum power of a board.

Use the undo poe max-power command to restore the default maximum power of a

board.

By default, the maximum power of a board is 37 W.

Examples

# Set the maximum power of the board in slot 3 to 400 W.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] poe max-power 400 slot 3

1.1.10 poe mode

Syntax

poe mode { signal | spare }

undo poe mode

View

Ethernet port view

Parameters

signal: Supplies power through a signal cable.

spare: Supplies power through a spare cable.

Description

Use the poe mode command to configure the PoE mode on the current port.

Use the undo poe mode command to restore the PoE mode on the current port to the

default mode.

By default, the port supplies power through a signal cable.

Note that the S7500 series switches do not support the spare mode currently.

Examples

# Set the PoE mode on Ethernet 3/0/1 to signal.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] interface Ethernet 3/0/1

[H3C-Ethernet3/0/1] poe mode signal

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1.1.11 poe power max-value

Syntax

poe power max-value max-value

View

System view

Parameters

max-value: Maximum PoE power output on the switch, ranging from 37 to 2,400 in W.

Description

Use the poe power max-value command to set the maximum power output on the

switch.

By default, the maximum PoE power output on the switch is 2,400 W.

Note that this command works only when the power you specify is greater than the

power that has been distributed to the boards.

Examples

# Set the maximum power output of the switch to 2,000 W.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] poe power max-value 2000

1.1.12 poe power-management

Syntax

poe power-management { auto | manual } slot slot-number

View

System view

Parameters

auto: Manages PoE of the switch automatically.

manual: Manages PoE of the switch manually.

slot-number: Number of the slot where the board resides.

Description

Use the poe power-management command to configure the PoE management mode

of the switch.

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By default, the PoE management mode of the switch is manual.

This command and the PoE priority settings of PoE ports will work together to control

the power feeding of the switch when the switch is reaching its full power load in power

supply.

z auto mode: When the switch is reaching its full load in supplying power, it will first

supply power to the PDs that are connected to the ports with critical priority, and

secondly supply power to the PDs that are connected to the ports with high priority.

For example, port A has the power priority of critical. When the switch is reaching

full load and a new PD is now added to the port A, the switch will power down a PD

that is connected to a port with the lowest priority and turn to feed this new PD.

z manual mode: When the switch is reaching its full load in supplying power

externally and a new PD is added, it will neither consider the priority nor make

change to its original power supply status; only the information about the newly

added device is provided. For example, port A has the priority of critical. When

the switch is reaching full load and a new PD is now connected to port A, the

switch does not supply power to this new device.

Examples

# Configure the PoE management mode of the board in slot 3 of the switch to auto.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] poe power-management auto slot 3

1.1.13 poe priority

Syntax

poe priority { critical | high | low }

undo poe priority

View

Ethernet port view

Parameters

critical: Sets the PoE priority of the port to critical.

high: Sets the PoE priority of the port to high.

low: Sets the PoE priority of the port to low.

Description

Use the poe priority command to configure the PoE priority of a port.

Use the undo poe priority command to restore the default PoE priority.

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By default, the PoE priority of a port is low.

Note that this command is used together with the poe power-management command,

and takes effect when the PoE power output of the switch reaches nearly to its

maximum value.

Examples

# Set the PoE priority of Ethernet 3/0/1 to critical.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] interface Ethernet 3/0/1

[H3C-Ethernet3/0/1] poe priority critical

1.1.14 poe upgrade

Syntax

poe upgrade { refresh | full } filename

View

System view

Parameters

refresh: Upgrades the existing valid software in the PSE in the refresh mode.

full: Reloads the software to the PSE when there is no valid software in the PSE.

filename: Upgrade file name, with a length of 1 character to 63 characters.

Description

Use the poe upgrade command to upgrade the processing software in the PSE online.

 Note:

z The full mode is used only when you cannot use the refresh mode.

z When the PSE processing software is damaged (that is, no PoE commands can be

successfully executed), you can use the full mode to update and restore the

software.

z When the upgrade procedure is interrupted for some unexpected reasons (such as

failure which causes restart), if the update in the full mode fails after restart, you

must upgrade the software in the full mode after power-off and restart of the device,

and then restart the device manually. In this way, the former PoE configuration can

be restored.

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Examples

# Upgrade the processing software in the PSE online.

<H3C>system-view

System View: return to User View with Ctrl+Z.

[H3C] poe upgrade refresh 0400_001.S19 slot 2

This will update poe file on board 2. Continue? [Y/N] y

Board 2 upgrading poe, please wait...

Load finished!

Start Upgrading...

Frame 0 IO Board 2 upgrade POE Pse succeeded

Command Manual – PoE

H3C S7500 Series Ethernet Switches

Chapter 2 PoE PSU Supervision Configuration

Commands

2-1

Chapter 2 PoE PSU Supervision Configuration

Commands

2.1 PoE PSU Supervision Display Commands

2.1.1 display poe-power ac-input state

Syntax

display poe-power ac-input state

View

Any view

Parameters

None

Description

Use the display poe-power ac-input state command to display the AC input state of

the PoE power supply units (PSUs) contained in the external PoE power supply

system.

Examples

# Display the AC input state of the PoE PSUs.

<H3C> display poe-power ac-input state

PSU 1 AC Input State : Lack Phrase

PSU 2 AC Input State : Normal

PSU 3 AC Input State : Lack Phrase

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Chapter 2 PoE PSU Supervision Configuration

Commands

2-2

command

Table 2-1 Description on the fields of the display poe-power ac-input state

Field Description

Normal: The AC input is normal.

Lack Phrase: The PSU is idle.

Under Limit: The AC input voltage is lower than the

lower threshold.

Upper Limit: The AC input voltage is higher than

the upper threshold.

Fuse Broken: The fuse is broken.

AC input state of PoE PSU 1

Switch Off: The switch is off.

2.1.2 display poe-power alarm

Syntax

display poe-power alarm

View

Parameters

Description

rm command to display the detailed alarm information

about the external PoE PSUs.

Examples

tion about the external PoE PSUs.

ower alarm

U alarm detail:

state.

PSU 3 : Absent PSU is absent.

Any view

Non

Use the display poe-power ala

# Display the detailed alarm informa

<H3C> display poe-p

Number of PSUs : 1

PSU 1 : Absent PSU is absent.

PSU 2 : Normal PSU is in normal

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Chapter 2 PoE PSU Supervision Configuration

Commands

2-3

Table 2-2 Description on the fields of the display poe-power alarm command

Field Description

PSU is in normal state: The PSU operates normally.

NOTLINK: The PSU is not linked (the controller fails to

communicate with this PSU or the PSU is not inserted).

You can clear the failure by powering off the PSU or

inserting a PSU.

INERROR: PSU input error. Restoring the normal AC

input can clear the error.

OUTERROR: PSU output error (No normal DC output

from the PSU).

HIGHVOL: Overvoltage on the PSU (the PSU is shut

down because of output overvoltage).

HIGHTEP: It is overheated in the PSU.

FANERROR: The fan fails.

CLOSE: The PSU is shut down.

CURLIMIT: The current of the PSU is limited.

The alarm information

about PoE PSU1

Absent: The PSU is absent.

2.1.3 display poe-power dc-output state

Syntax

display poe-power dc-output state

View

Any view

Parameters

None

Description

Use the display poe-power dc-output state command to display the DC output state

of the current PoE PSUs.

Examples

# Display the DC output states of the current PoE PSUs.

<H3C> display poe-power dc-output state

DC Output State : Normal

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Chapter 2 PoE PSU Supervision Configuration

Commands

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Table 2-3 Description on the fields of the display poe-power dc-output state

command

Field Description

Normal: The DC output is normal.

Under Limit: The DC output voltage is

lower than the lower threshold.

Upper Limit: The DC output voltage is

higher than the upper threshold.

Fuse Broken: The fuse is broken.

Switch Off: The switch is off.

DC output state of the external PoE PSU

Hardware Fault: Hardware fails.

2.1.4 display poe-power dc-output value

Syntax

display poe-power dc-output value

View

Any view

Parameters

None

Description

Use the display poe-power dc-output value command to display the DC output

voltage/current values of the external PoE PSUs.

Examples

# Display the DC output voltage/current values of the external PoE PSUs.

<H3C> display poe-power dc-output value

DC Output Voltage : 53.997

DC Output Current : 0.350 A

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H3C S7500 Series Command Manual

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Model: S7500 Series

Category: Power extensions

Type: Command Manual

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