14
CONSOLE
9600.N.8.1（DTE）
SFP▲（19）
SFP▼（20）
SFP▲（17）
SFP▼（18）
LEFT LED（ORANGE）：LOOP DETECTION
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2
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7
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20
2.1 LED display change
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Display style set by the LED display change button
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Two types of Base modes and each mode
The mode at the start is called “Base mode.”
There are two types of Base modes:Status mode (factory default setting) and ECO
mode.You can change the Base mode by holding down the LED display switch
button (for at least 3 sec).
When the Base mode is changed normally,all STATUS/ECO,GIGA,and FULL LED lamps
light up at the same time.When you release the button,the Base mode is changed to the
selected mode.
If the mode is changed to the GIGA mode,DUPLEX mode,or loop history mode and the
LED display switch button is not used for one minute or longer,the mode automatically
returns to a Base mode (Status mode or ECO mode).
The Base mode is maintained even after the power is turned OFF.
Indication on the front panel and
LED lamps
You can display the following items using the LED display switch button.
Display for the connection with a connected terminal (Status mode),
Display for the 1000 Mbps transmission rate (GIGA mode),
Display for the full-duplex or half-duplex transmission system (DUPLEX mode),
Display for ports with a loop history (Loop history mode),
All port LED lamps can be turned OFF (ECO mode).
LED display change button
Part Names and Functions
2
Table1. Ports and Port LED lamps 1 to 20 correspond as shown below.
Port LED
Communication LED
(Left)
PoE LED
(Right)
Display mode
STATUS/ECO
Behavior
Description
Green Light
Link is established.
Green Blink
Transmitting and receiving data.
Orange Light
Off
GIGA
Green Light
Link is established at 1000 Mbps.
Off
Link is established at 100 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.
Green Light
Orange Blink
Off
LOOP HISTORY
Green Light
Loop has been detected within the
last 3 days.
Off
No loop detection history.
It is shut off via the loop detection
and shutoff function/storm control or
the BPDU guard.
PoE are being supplied power.
Power is not being supplied, or the
PoE receiving equipment are not
connected.
Also, it is set in the ECO mode.
Single port overload.
Also, an overload of the Ethernet Switch
occurs, and the ports are displayed
which cannot be supplied power.
No device connected or the ECO mode is set.
Orange Blink
It is sending and receiving just the
control packet.
Communication LED (Left)
PoE LED (Right)
LEFT LED（ORANGE）：LOOP DETECTION
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