HP 5500 EI series - SFP Port Status LED

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Table 19 10/100/1000Base-T auto-sensing Ethernet port LEDs description
Port mode LED (Mode)
status
Port LED status Description
Steady green (rate mode)
Steady green
The port is operating at 1000 Mbps. The port
status LED fast flashes when the port is sending or
receiving data.
Steady yellow
The port is operating at 10/100 Mbps. The port
status LED fast flashes when the port is sending or
receiving data.
Flashing yellow (3 Hz) POST has failed on the port.
Off No link is present on the port.
Flashing green (1 Hz) (PoE
mode, available only for
PoE switches)
Steady green PoE power supply is normal.
Flashing green (1 Hz)
The device attached to the port requires power
higher than the maximum or currently available
PoE output power on the port.
Steady yellow
The port is experiencing a PoE failure.
The port is not supplying power, because the
device attached to the port is not a powered
device.
Flashing yellow (3 Hz) POST has failed on the port.
Off The port is not supplying PoE power.
Steady yellow (duplex
mode)
Steady green
The port is operating in full duplex mode. The port
status LED fast flashes when the port is sending or
receiving data.
Steady yellow
The port is operating in half duplex mode. The port
status LED fast flashes when the port is sending or
receiving data.
Flashing yellow (3 Hz) POST has failed on the port.
Off No link is present on the port.
SFP port status LED
Each SFP port has a status LED to show port operating status and activities. The port mode LED indicates
the type of information (for example, port rate or duplex mode) that the port LEDs are showing. You can
use the port LED mode switching button to change the type of displayed port information.
Table 20 SFP port LEDs description
Port mode LED (Mode)
status
Port LED status Description
Steady green (rate mode) or
flashing green (1 Hz, PoE
mode)
Steady green
The port is operating at 1000 Mbps. The port
status LED fast flashes when the port is sending or
receiving data.
Steady yellow (available
only on the 5500 EI
switches)
The port is operating at 100 Mbps. The port status
LED fast flashes when the port is sending or
receiving data.