57
Mode LED (MODE)
Each PoE switch provides a mode LED (MODE). The mode LED works in conjunction with the
Ethernet port LEDs to indicate the operating state of the Ethernet ports and the switch.
You can use the LED mode switching button to change the indication of the mode LED.
Table 30 Description for the mode LED
Mode LED
(MODE)
Steady green The Ethernet port LEDs are showing link state of the ports.
Flashing green The Ethernet port LEDs are showing the PoE status of the ports.
Flashing yellow
The Ethernet port LEDs work in conjunction to indicate the IRF
member ID of the switch. For example, if the LED for port 5 is
steady green, the IRF member ID of the switch is 5.
SFP/SFP+ port LED
Table 31 SFP/SFP+ port LED description
Steady green A link is present on the port.
Flashing green The port is sending or receiving data.
Off
• No link is present on the port.
• The mode LED is operating in PoE mode (available only for PoE switch
models)
Ethernet port LEDs
On a PoE switch, the following Ethernet port LEDs work in conjunction with the mode LED to indicate
the operating state of the Ethernet ports and the switch from different aspects. Table 32 describes
the Ethernet port LEDs on a PoE switch.
10/100/1000BASE-T autosensing Ethernet port LEDs
10/5/2.5/1GBASE-T autosensing Ethernet port LEDs
Table 33 describes the Ethernet port LEDs on a non-PoE switch.
Table 32 Ethernet port LED description for PoE switch models
Mode LED
Ethernet port LED
Description
Steady green
(Link/Active
mode)
Steady green A link is present on the port.
Flashing green The port is sending or receiving data.
Off No link is present on the port.
Flashing
green (PoE
mode)
Steady green PoE power supply is normal.
Flashing green (1 Hz)
• The maximum PoE power provided by the port fails to
meet the power requirement of the PD.
• PoE power supply overcurrent, overvoltage, or
short-circuit occurs.
• The remaining power of the switch fails to meet the
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