64
Table 19
SFP+ port LED description
Port mode LED
(MODE/Mode)
status
SFP+ port LED status
Description
Steady green
(rate mode)
Steady green
The port is operating at 10 Gbps. The port LED fast flashes
when the port is sending or receiving data.
Steady yellow
The port is operating at 1 Gbps. The port 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.
Steady yellow
(duplex mode)
Steady green
The port is operating in full duplex mode. The port 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.
Management Ethernet port LEDs
Management Ethernet port LEDs for the S5120-28SC-HI and S5120-52SC-HI
The management Ethernet port on an S5120-28SC-HI or S5120-52SC-HI switch has one LINK LED and
one ACT LED to show its link and data transmission status.
Table 20
Management Ethernet port LED description
Led mark Status
Description
LINK
Off
The management Ethernet port is not connected.
Steady green
The management Ethernet port is operating at 10/100/1000 Mbps.
ACT
Off
The management Ethernet port is not receiving or sending data.
Flashing yellow
The management Ethernet port is sending or receiving data.
Management Ethernet port LEDs for the S5120-34C-HI and S5120-58C-HI
The management Ethernet port on an S5120-34C-HI or S5120-58C-HI switch has one ACT/LINK LED to
show its link and data transmission status. The port mode LED indicates the type of information (for
example, port rate or duplex mode) that the ACT/LINK LED is showing. You can use the port LED mode
switching button to change the type of displayed port information.
Table 21
Management Ethernet port LED description
Port mode LED
(Mode) status
Management
Ethernet port LED
(ACT/LINK) status
Description
Steady green (rate
mode)
Steady green
The port is operating at 1000 Mbps. The port LED fast
flashes when the port is sending or receiving data.
Steady yellow
The port is operating at 10/100 Mbps. The port LED fast
flashes when the port is sending or receiving data.
Flashing yellow (3 Hz) POST has failed on the port.
