12
Port LED
Left
Right
Display mode
STATUS/ECO
Behavior
Description
Green Light
Link is established.
Green Blink
Transmitting and receiving data.
Off
No device connected.
Table 1. Port LED of 1–24 indicates each mode in the following way
PoE
Green Light
Supplying power normally (ports 1 to 24
only).
Orange Blink
Overload caused by a single port or the
total power supply of the Switching
Hub (ports 1 to 24 only).
Off
Not supplying power or no PoE-powered
device connected.
GIGA
Green Light
Link is established at 1000 Mbps.
Off
Link is established at 100 Mbps or 10
Mbps, or no device is connected.
100M
Green Light
Link is established at 100 Mbps.
Off
Link is established at 1000 Mbps or 10
Mbps, or no device is connected.
FULL
Green Light
Link is established at full-duplex.
Off
Link is established at half-duplex or no
device is connected.
-
Orange Light
Shutting down by loop detection.
Off
Not shutting down by loop detection.
LOOP HISTORY
Green Light
Loop has been detected within the
last 3 days.
Off
No loop detection history.
Part Names and Functions
2
Port LED (Left)
Port LED (Right)