50
Item Specification
Transmission medium and max
transmission distance
• 55 m (180.45 ft) over category-6 unshielded twisted pair cable
• 100 m (328.08 ft) over category-6 shielded twisted pair cable
• 100 m (328.08 ft) over category-6A or above twisted pair cable
Compatible standards
• IEEE 802.3ab
• IEEE 802.3an
LEDs
System status LED
The system status LED shows the operating status of the switch.
Table 14 System status LED description
LED mark Status Description
SYS
Steady green The switch is operating properly.
Flashing green The switch is performing power-on self test (POST).
Steady red
The system has failed to pass POST or has problems such as
fan failure.
Flashing red Some ports have failed to pass POST.
Off The switch is powered off or has failed to start up.
SFP+ port LED
Each SFP+ port has a status LED to show port operating status and activities.
Table 15 SFP+ port LED description
LED status Description
Steady green
A transceiver module or cable has been correctly installed. The port has a link and
is operating at 10 Gbps.
Flashing green The port is sending or receiving data at 10 Gbps.
Steady yellow
A transceiver module or cable has been correctly installed. The port has a link and
is operating at 1 Gbps.
Flashing yellow The port is sending or receiving data at 1 Gbps.
Off No transceiver module or cable has been installed or no link is present on the port.
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