The MPUs, service modules, and power modules available for the switch use multiple LEDs to indicate their operating status. The LED type and quantity vary by module model.

Table 9-1 lists the LEDs on the MPUs, service modules, and power modules.

NOTE:

Unless otherwise specified, the flashing frequency of the LEDs in this section is 0.5 Hz.

Table 9-1 LEDs at a glance

LEDs
MPU LEDs · Management Ethernet port LEDs · Power module status LEDs · Fan tray status LEDs · Card status LEDs · MPU active/standby status LED · CF card status LED · RJ-45 Ethernet port LEDs · Combo interface LEDs · SFP port LEDs · SFP+ port LEDs · QSFP+ port LEDs · QSFP28 port LEDs · XFP port LEDs
Service module LEDs · RJ-45 Ethernet port LEDs · Combo interface LEDs · SFP port LEDs · SFP+ port LEDs · XFP port LEDs · QSFP+ port LEDs · QSFP28 port LEDs · CFP port LEDs · EPON port LEDs
Power module LEDs · PSR320-A/PSR320-D · PSR650-A/PSR650-D/PSR1200-A/PSR1200-D · PSR650C-12A/PSR650C-12D/PSR1400-A/PSR2500-12AHD/PSR2500-12D · PSR1400-D · PSR1400-12D1 · PSR2800-ACV · PSR6000-ACV
Fan tray LEDs

LEDs

MPU LEDs

· Management Ethernet port LEDs

· Power module status LEDs

· Fan tray status LEDs

· Card status LEDs

· MPU active/standby status LED

· CF card status LED

· RJ-45 Ethernet port LEDs

· Combo interface LEDs

· RJ-45 Ethernet port LEDs

· Combo interface LEDs

· PSR650-A/PSR650-D/PSR1200-A/PSR1200-D

· PSR650C-12A/PSR650C-12D/PSR1400-A/PSR2500-12AHD/PSR2500-12D

· PSR1400-D

· PSR1400-12D1

· PSR2800-ACV

· PSR6000-ACV

Fan tray LEDs

MPU LEDs

Multiple MPU models are available for the switch. The LED type and quality vary by MPU model. The LSQM3MPUA0 MPU and LSQM2MPUC0 MPU are used in Figure 9-1 and Figure 9-2, respectively, for illustration.

Figure 9-1 LEDs on the LSQM3MPUA0 MPU

(1) Management Ethernet port LED (LINK/ACT)	(2) Service module status LEDs (LPU RUN and ALM)
(3) MPU active/standby status LED (ACTIVE)	(4) MPU status LED (RUN)
(5) Fan tray status LEDs (FAN OK and FAIL)	(6) Power module status LEDs (PWR OK and FAIL)

Figure 9-2 LEDs on the LSQM2MPUC0 MPU

(1) Management Ethernet copper port LEDs (LINK and ACT)
(2) Management Ethernet fiber port LEDs (LINK and ACT)
(3) Card status LEDs (SLOT X)	(4) MPU active/standby status LED (ACTIVE)
(5) Fan tray status LED (FAN)	(6) Power module status LED (PWR)

Management Ethernet port LEDs

For a management Ethernet port that uses a LINK/ACT LED to indicate its link status and data forwarding status, see Table 9-2 for the LED description.

For a management Ethernet port that uses two LEDs LINK and ACT to indicate its link status and data forwarding status, see Table 9-3 for the LED description.

Table 9-2 Management Ethernet port LED description (1)

LINK/ACT LED status	Description
Flashing green	A link is present, and the port is receiving or sending data.
Steady green	A link is present.
Off	No link is present.

Table 9-3 Management Ethernet port LED description (2)

LINK LED status	ACT LED status	Description
On	Flashing	A link is present, and the port is receiving or sending data.
On	Off	A link is present.
Off	Off	No link is present.

Power module status LEDs

Power module status LED varies by MPU model.

· If the MPU provides one set of LEDs (OK and FAIL) to indicate the status of the power modules, see Table 9-4 for the LED description.

· If the MPU provides multiple LEDs with numbers (for example, PWR1 and PWR2), each LED corresponds to a pluggable power module with the same number (the power module number is marked on the chassis). See Table 9-5 for the LED description.

· If the MPU provides only one power status LED (PWR), see Table 9-6 for the LED description.

Table 9-4 Power module status LED description (1)

OK LED status	FAIL LED status	Description
On	Off	All power modules are operating correctly.
Off	On	A power module is not outputting power because one of the following conditions exists: · The power module is faulty or switched off. · The power cord is disconnected. · The external power supply system is not available.
Off	Off	· No power module is installed. · No power module is outputting power because one of the following conditions exists: ¡ The power modules are faulty or switched off. ¡ The power cords are disconnected. ¡ The external power supply system is not available.

Table 9-5 Power module status LED description (2)

LEDs		Description
OK	FAIL	Description
On	Off	The corresponding power module is operating correctly.
Off	On	The corresponding power module is not outputting power because one of the following conditions exists: · The power module is faulty or switched off. · The power cord is disconnected. · The external power supply system is not available.
Off	Off	No power module is installed in the corresponding slot.

Table 9-6 Power module status LED description (3)

OK/FAIL LED status	Description
Steady green	All power modules are operating correctly.
Steady red	A power module is not outputting power because one of the following conditions exists: · The power module is faulty or switched off. · The power cord is disconnected. · The external power supply system is not available.
Off	· No power module is installed. · No power module is outputting power because one of the following conditions exists: ¡ The power modules are faulty or switched off. ¡ The power cords are disconnected. ¡ The external power supply system is not available.

Fan tray status LEDs

Fan tray status LED varies by MPU model.

· If the MPU provides one set of LEDs (OK and FAIL) to indicate the status of the fan tray, see Table 9-7 for the LED description.

· If the MPU provides one OK/FAIL LED to indicate the status of the fan tray, see Table 9-8 for the LED description.

Table 9-7 Fan tray status LED description (1)

OK LED status	FAIL LED status	Description
On	Off	The fan tray is operating correctly.
Off	On	A fan problem has occurred or the fan tray is not in position.
Off	Off	The switch is not powered on.

Table 9-8 Fan tray status LED description (2)

OK/FAIL LED status	Description
Steady green	The fan tray is operating correctly.
Steady red	A fan problem has occurred or the fan tray is not in position.
Off	The switch is not powered on.

Card status LEDs

LSQM3MPUA0

Table 9-9 MPU status LED description

RUN LED status	Description
Flashing	The card is operating correctly.
Off	The card is starting up or faulty.

Table 9-10 Service module status LED description

RUN LED status	ALM LED status	Description
Flashing	Off	The cards are operating correctly.
Fast flashing (4 Hz)	On	The cards are loading software. If the LED flashes continuously, the software versions of the switch and the card do not match.
On	On	The cards are starting up or faulty.
Off	Off	No card is present.

LSQM2MPUC0/LSQM2MPUD0/LSQM2MPUDS0/LSQM1SRP8X2QE0

Table 9-11 Card status LED description

RUN/ALM LED status	Description
Flashing green	The card is operating correctly.
Fast flashing green (4 Hz)	The card is loading software. If the LED flashes continuously, the software versions of the switch and the card do not match.
Steady red	The card is starting up or faulty.
Flashing red	The temperature of the card exceeds the upper limit or drops below the lower limit.
Off	No card is present.

MPUs other than the LSQM3MPUA0, LSQM2MPUC0, LSQM2MPUD0, LSQM2MPUDS0, and LSQM1SRP8X2QE0

Table 9-12 Card status LED description

RUN LED status	ALM LED status	Description
Flashing (0.5 Hz)	Off	The card is operating correctly.
Fast flashing (4 Hz)	On	The card is loading software. If the LED flashes continuously, the software versions of the switch and the card do not match.
Flashing (0.5 Hz)	Slow flashing (0.25 Hz)	The temperature of the card exceeds the upper limit or drops below the lower limit.
On	On	The card is starting up or faulty.
Off	Off	No card is present.

NOTE:

· Before the active MPU starts up, all card LEDs are off. The tables describe the card LED status after the active MPU starts up.

· The ALM LED lights for a period of time at the initial phase of the system startup.

MPU active/standby status LED

The MPUs provide an ACTIVE LED to indicate the active or standby operating mode of the MPU.

Table 9-13 MPU active/standby status LED description

ACTIVE LED status	Description
On	The MPU is operating in active mode.
Off	· The MPU is operating in standby mode. · The MPU is faulty. Examine also the card status LEDs to determine the fault existence.

ACTIVE LED status

Description

The MPU is operating in active mode.

Off

· The MPU is operating in standby mode.

· The MPU is faulty. Examine also the card status LEDs to determine the fault existence.

CF card status LED

The MPUs provide a CF card status LED (CFS) to indicate the status of the CF card.

Table 9-14 CF card status LED description

LED	LED status	Description
CFS	On	The CF card is in position.
CFS	Off	The CF card is not in position or is damaged.

RJ-45 Ethernet port LEDs

The MPUs provide a LED for each RJ-45 Ethernet port to indicate their link status and data receiving/forwarding status.

Table 9-15 RJ-45 Ethernet interface LED description

LED	LED status	Description
RJ-45 Ethernet interface status LED	Flashing	The Ethernet port is receiving or sending data.
	On	A link is present.
	Off	No link is present.

Combo interface LEDs

The MPUs provide a LED for each combo interface to indicate their link status and data receiving/forwarding status.

Table 9-16 Combo interface status LED description

LED	LED status	Description
Combo interface status LED	Flashing	The combo interface is receiving or sending data.
	On	A link is present.
	Off	No link is present.

NOTE:

· A combo interface contains an SFP port and an RJ-45 Ethernet port. Only one port can be active at a time. The other one is inactive. By default, the port with smaller number becomes active.

· To use the inactive port of a combo interface, execute the undo shutdown command to activate the port. The other port of the combo port is then automatically shut down and becomes inactive.

SFP port LEDs

The MPU provides a LED for each SFP port to indicate their link status and data receiving/forwarding status.

Table 9-17 SFP port LED description

LED	LED status	Description
SFP port status LED	Flashing	The SFP port is receiving or sending data.
	Steady on	A link is present.
	Off	No link is present.

SFP+ port LEDs

The LSQM1SRP8X2QE0 MPU provides a LED for each SFP+ port to indicate their link status and data forwarding status.

Table 9-18 SFP+ port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

NOTE:

The SFP+ port LED on the LSQM1SRP8X2QE0 MPU is always green no matter the SFP+ port is receiving or sending data at 10 Gbps or 1000 Mbps.

QSFP+ port LEDs

A LED is provided for each QSFP+ port to indicate the port link status and data forwarding status.

Table 9-19 QSFP+ port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

QSFP28 port LEDs

A LED is provided for each QSFP28 port to indicate the port link status and data forwarding status.

Table 9-20 QSFP+ port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

XFP port LEDs

A LED is provided for each XFP port to indicate their link status and data forwarding status.

Table 9-21 XFP port LED description

LEDs		Description
LINK	ACT	Description
On	Flashing	A link is present, and the XFP port is receiving or sending data.
On	Off	A link is present, but no data is being received or sent.
Off	Off	No link is present.

Service module LEDs

RJ-45 Ethernet port LEDs

The service modules provide a LED for each RJ-45 Ethernet port to indicate their link status and data receiving/forwarding status.

Table 9-22 RJ-45 Ethernet port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

Combo interface LEDs

A combo interface contains an SFP port and an RJ-45 Ethernet port. Only one port of a combo interface can work at a time. The service modules each provide a combo interface LED to indicate the link status and data receiving/forwarding status of the corresponding combo interface.

Table 9-23 Combo interface LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

NOTE:

· For the SFP port and the RJ-45 Ethernet port of a combo interface, only one port can be active at a time. The other one is inactive. By default, the port with the smaller number becomes active.

· To use the inactive port of a combo interface, execute the undo shutdown command to activate the port. The other port of the combo interface is then automatically shut down and becomes inactive.

SFP port LEDs

The service modules provide a LED for each SFP port to indicate their link status and data receiving/forwarding status.

Table 9-24 SFP port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

SFP+ port LEDs

The service modules provide a LED for each SFP+ port to indicate their link status and data receiving/forwarding status.

Table 9-25 SFP+ port LED description for the LSQ1TGS8SC0 service module

LINK LED status	ACT LED status	Description
On	Flashing	A link is present, and the port is receiving or sending data.
On	Off	A link is present, but no data is being received or sent.
Off	Off	No link is present.

Table 9-26 SFP+ port LED description for other service modules

Status	Description
Flashing green	The port is receiving or sending data at 10 Gbps.
Flashing yellow	The port is receiving or sending data at 1000 Mbps.
On	A link is present.
Off	No link is present.

XFP port LEDs

The service modules provide a LED for each XFP port to indicate their link status and data receiving/forwarding status.

Table 9-27 XFP port LED description

LINK status LED	ACT status LED	Description
On	Flashing	A link is present, and the port is receiving or sending data.
On	Off	A link is present, but no data is being received or sent.
Off	Off	No link is present.

QSFP+ port LEDs

The service modules provide a LED for each QSFP+ port to indicate their link status and data receiving/forwarding status.

Table 9-28 QSFP+ port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

NOTE:

The color of the QSFP+ port LED indicates support of the port for 100-GE/40-GE switchover.

· Yellow—The port supports 100-GE/40-GE switchover.

· Green—The port does not support 100-GE/40-GE switchover.

QSFP28 port LEDs

The service modules provide a LED for each QSFP28 port to indicate their link status and data receiving/forwarding status.

Table 9-29 QSFP28 port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

NOTE:

The color of the QSFP28 port LED indicates the port speed as follows:

· Green—100 Gbps.

· Yellow—Less than 100 Gbps.

CFP port LEDs

The service modules provide a LED for each CFP port to indicate their link status and data receiving/forwarding status.

Table 9-30 CFP port LED description

LED status	Description
Flashing	The port is receiving or sending data.
On	A link is present.
Off	No link is present.

EPON port LEDs

The service modules provide a LED for each EPON port to indicate their link status and data receiving/forwarding status.

Table 9-31 EPON port LED description

LED status	Description
On	The connected ONU has been successfully registered.
Off	The connected ONU is not registered, or no ONU is connected.

Power module LEDs

The S7500E switches support various power module models. Each power module provides LEDs to indicate its operating status. The power modules vary in LEDs.

PSR320-A/PSR320-D

The PSR320-A and PSR320-D power modules each provide a status LED to indicate their operating status.

Table 9-32 PSR320-A/PSR320-D power module LED description

LED	Status	Description
Status LED	Green	Normal operation
	Red	Abnormal operation. Possible reasons include: · A power module alarm (such as input undervoltage, output short-circuit, output overcurrent, output overvoltage, or overtemperature) has occurred and the power module has entered protection state. · A power module fan failure has occurred.
	Off	Abnormal power input. Possible reasons include: · The power module is faulty. · The power cord is disconnected. · The external power supply system is not available. · The power module is switched off.

PSR650-A/PSR650-D/PSR1200-A/PSR1200-D

The PSR650-A, PSR650-D, PSR1200-A, and PSR1200-D power modules each provide a status LED to indicate their operating status.

Table 9-33 PSR650-A/PSR650-D/PSR1200-A/PSR1200-D power module LED description

LED	Status	Description
Status LED	Green	Normal operation
	Red	Abnormal operation. Possible reasons include: · A power module alarm (such as input undervoltage, output short-circuit, output overcurrent, output overvoltage, or overtemperature) has occurred and the power module has entered protection state. · A power module fan failure has occurred.
	Off	Abnormal power input. Possible reasons include: · The power module is faulty. · The power cord is disconnected. · The external power supply system is not available. The power module is switched off.

PSR650C-12A/PSR650C-12D/PSR1400-A/PSR2500-12AHD/PSR2500-12D

The PSR650C-12A, PSR650C-12D, PSR1400-A, PSR2500-12AHD, and PSR2500-12D power modules each provide three LEDs INPUT, OUTPUT, and FAN to indicate their operating status.

Table 9-34 PSR650C-12A/PSR650C-12D/PSR1400-A/PSR2500-12AHD/PSR2500-12D power module LED description

LED	Status	Description
INPUT	Green	Normal power input
	Red	Abnormal power input. The input voltage is out of the rated voltage range (input undervoltage or overvoltage).
	Off	· The power module is faulty. · No power input. Possible reasons include: ¡ The power cord is disconnected. ¡ The external power supply system is not available.
OUTPUT	Green	Normal power output
	Red	Abnormal power output. Possible reasons include: · A power module alarm (such as input undervoltage, output short-circuit, output overcurrent, output overvoltage, overtemperature, or fan failure) has occurred and the power module has entered protection state. · The power module is switched off.
	Off	· The power module is faulty. · No power input. Possible reasons include: ¡ The power cord is disconnected. ¡ The external power supply system is not available.
FAN	Green	Normal fan operation
	Red	Abnormal fan operation. Possible reasons include: · A power module fan failure has occurred. · The power module is switched off.
	Off	· The power module is faulty. · The power module does not have power input. Possible reasons include: ¡ The power cord is disconnected. ¡ The external power supply system is not available.

PSR1400-D

A PSR1400-D power module provides four LEDs INPUT, OUTPUT, FAN, and PoE to indicate its operating status.

Table 9-35 PSR1400-D power module LED description

LED	Status	Description
INPUT	Green	The power is being input correctly, and the system power output switch is turned on.
	Red	A power input problem has occurred because the input voltage is out of the rated voltage range.
	Off	One of the following conditions might exist: · The power module is faulty. · The power cord is disconnected. · The power source is not supplying power. · The system power output switch is turned off.
OUTPUT	Green	The power is being output correctly.
	Red	A power output problem has occurred because the power module generates an alarm and enters the protection state due to output short-circuit, output overcurrent, output overvoltage, or overtemperature.
	Off	One of the following conditions might exist: · The power module is faulty. · The power cord is disconnected. · The power source is not supplying power. · The system power output switch is turned off.
FAN	Green	The fans are operating correctly.
	Red	The fans are operating incorrectly because a fan failure has occurred.
	Off	One of the following conditions might exist: · The power module is faulty. · The power cord is disconnected. · The power source is not supplying power. · The system power output switch is turned off.
PoE	Green	The PoE power is being output correctly.
	Red	A PoE power output problem has occurred because the PoE output voltage is out of the rated voltage range.
	Off	No PoE power is being output because one of the following conditions might exist: · The power module is faulty. · The power cord is disconnected. · The power source is not supplying power. · The PoE power output switch is turned off.

PSR1400-12D1

A PSR1400-12D1 power module provides three LEDs INPUT, OUTPUT, and FAN to indicate its operating status.

Table 9-36 PSR1400-12D1 power module LED description

LED	Status	Description
INPUT	Green	Normal power input.
	Red	Abnormal power input. The input voltage is out of the rated voltage range.
	Off	· The power module is faulty. · No power input. Possible reasons include: ¡ The power cord is disconnected. ¡ The external power supply system is not available. · The system power output switch is turned off.
OUTPUT	Green	Normal power output
	Red	Abnormal power output. A power module alarm (such as output short-circuit, output overcurrent, output overvoltage, or overtemperature) has occurred and the power module has entered protection state.
	Off	· The power module is faulty. · No power input. Possible reasons include: ¡ The power cord is disconnected. ¡ The external power supply system is not available. · The system power output switch is turned off.
FAN	Green	Normal fan operation
	Red	Abnormal fan operation. A power module fan failure has occurred.
	Off	· The power module is faulty. · The power module does have power input. Possible reasons include: ¡ The power cord is disconnected. ¡ The external power supply system is not available. · The system power output switch is turned off.

PSR2800-ACV

A PSR2800-ACV power module provides five LEDs INPUT, OUTPUT, FAN, PoE INPUT, and PoE OUTPUT to indicate its operating status.

Table 9-37 PSR2800-ACV power module LED description

LED	Status	Description
INPUT	Green	Normal power input.
	Red	Abnormal power input. The input voltage is out of the rated voltage range.
	Off	· The power module is faulty. · No power input. Possible reasons include: ¡ The system input power cord is disconnected. ¡ The external power supply system is not available.
OUTPUT	Green	Normal power output
	Red	Abnormal power output. Possible reasons include: · A power module alarm (such as input undervoltage, output short-circuit, output overcurrent, output overvoltage, or overtemperature) has occurred and the power module has entered protection state. · The system power switch is turned off.
	Off	· The power module is faulty. · No power input. Possible reasons include: ¡ The system input power cord is disconnected. ¡ The external power supply system is not available.
FAN	Green	Normal fan operation
	Red	Abnormal fan operation. Possible reasons include: · A power module fan failure has occurred. · The system power switch is turned off.
	Off	· The power module is faulty. · The power module does have power input. Possible reasons include: ¡ The system input power cord is disconnected. ¡ The external power supply system is not available.
PoE INPUT	Green	Normal PoE power input
	Red	Abnormal PoE power input. The PoE input voltage is out of the rated voltage range.
	Off	No PoE power input. Possible reasons include: · The power module is faulty. · The PoE input power cord is disconnected. · The external power supply system is not available.
PoE OUTPUT	Green	Normal PoE power output
	Red	Abnormal PoE power output. Possible reasons include: · The PoE output voltage is out of the rated voltage range. · The PoE power switch is turned off.
	Off	No PoE power output. Possible reasons include: · The power module is faulty. · The PoE input power cord is disconnected. · The external power supply system is not available.

PSR6000-ACV

The PSR6000-ACV power module provides eight LEDs SYS IN, SYS OUT, SYS FAN, PoE IN1, PoE IN2, PoE IN3, PoE OUT, and PoE FAN to indicate its operating status.

Table 9-38 PSR6000-ACV power module LED description

LED	Status	Description
SYS IN	Green	Normal system power input
	Red	Abnormal system power input. The system power input voltage is out of the rated voltage range.
	Off	· The power module is faulty. · No system power input. Possible reasons include: ¡ The system input power cord is disconnected. ¡ The external power supply system is not available.
SYS OUT	Green	Normal system power output
	Red	Abnormal system power output. Possible reasons include: · A power module alarm (such as output short-circuit, output overcurrent, output overvoltage, or overtemperature) has occurred and the power module has entered protection state. · The SYS power switch is turned off.
	Off	· The power module is faulty. · No system power input. Possible reasons include: ¡ The system input power cord is disconnected. ¡ The external power supply system is not available.
SYS FAN	Green	Normal system fan operation.
	Red	Abnormal system fan operation. Possible reasons include: · A system fan failure has occurred. · The SYS power switch is turned off.
	Off	· The power module is faulty. · No system power input. Possible reasons include: ¡ The system input power cord is disconnected. ¡ The external power supply system is not available.
PoE IN1	Green	Normal PoE1 power input.
	Red	Abnormal PoE1 power input. The PoE1 power input voltage is out of the rated voltage range.
	Off	No PoE1 power input. Possible reasons include: · The power module is faulty. · The PoE1 input power cord is disconnected. · The external power supply system is not available.
PoE IN2	Green	Normal PoE2 power input.
	Red	Abnormal PoE2 power input. The PoE2 power input voltage is out of the rated voltage range.
	Off	No PoE2 power input. Possible reasons include: · The power module is faulty. · The PoE2 input power cord is disconnected. · The external power supply system is not available.
PoE IN3	Green	Normal PoE3 power input.
	Red	Abnormal PoE3 power input. The PoE3 power input voltage is out of the rated voltage range.
	Off	No PoE3 power input. Possible reasons include: · The power module is faulty. · The PoE3 input power cord is disconnected. · The external power supply system is not available.
PoE OUT	Green	Normal PoE power output
	Red	Abnormal PoE power output. Possible reasons include: · A power module alarm (such as output short-circuit, output overcurrent, output overvoltage, or overtemperature) has occurred and the power module has entered protection state. · The PoE power switch is turned off.
	Off	No PoE power output. Possible reasons include: · The power module is faulty. · The PoE 1, PoE 2, and PoE 3 input power cords are all disconnected. · The external power supply system is not available.
PoE FAN	Green	Normal PoE fan operation
	Red	Abnormal PoE fan operation. Possible reasons include: · A PoE fan failure has occurred. · The PoE power switch is turned off.
	Off	No PoE power input. Possible reasons include: · The power module is faulty. · The PoE 1, PoE 2, and PoE 3 input power cords are all disconnected. · The external power supply system is not available.

Fan tray LEDs

The S7506E-MF and S7506E-MF (non-PoE) fan trays each use a fan tray LED RUN/ALM to indicate their operating status.

Table 9-39 Fan tray LED description

RUN/ALM LED status	Description
Green	The fan tray is operating correctly.
Red	The fan tray is faulty.
Off	No fan tray is present or the switch is not powered on.

H3C S7500E Switch Series Installation Guide-6W109

LSQM3MPUA0

LSQM2MPUC0/LSQM2MPUD0/LSQM2MPUDS0/LSQM1SRP8X2QE0

MPUs other than the LSQM3MPUA0, LSQM2MPUC0, LSQM2MPUD0, LSQM2MPUDS0, and LSQM1SRP8X2QE0

RJ-45 Ethernet port LEDs

Combo interface LEDs

SFP port LEDs

SFP+ port LEDs

QSFP+ port LEDs

RJ-45 Ethernet port LEDs

Combo interface LEDs

SFP port LEDs

CFP port LEDs

EPON port LEDs

PSR650-A/PSR650-D/PSR1200-A/PSR1200-D

PSR650C-12A/PSR650C-12D/PSR1400-A/PSR2500-12AHD/PSR2500-12D

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