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Unmanaged Rackmountable Switch
LED
Indication
On: The switch is powered on.
PWR
Off: The switch is powered off or power supply is abnormal.
Flashing: Power supply is abnormal/Loop Prevention function is enabled.
Green On: Running at 1000 Mbps but no activity.
Green Flashing: Running at 1000 Mbps and is transmitting or receiving data.
Yellow on: Running at 100/10 Mbps but no activity.
Yellow Flashing: Running at 100/10 Mbps and is transmitting or receiving data.
Link/Act
Off: No device is linked to the corresponding port.
Note: Only for ports 1–18 of DS1018GMP. Ports 17F–18F of DS1018GMP only support
1000M SFP module connection, and they just have Green On/Green Flashing/Off LED
indications
On: The port is connecting and supplying power to a PD.
Flashing: The PoE power circuit may be in short or the power current may be overloaded
or non-standard PD is connected or the amount of power of the port has exceeded the
PoE Status
power limit.
Off: No PD is connected to the corresponding port or no power is supplied according to
the power limits of the port.
Green: The fan works properly.
FAN
Yellow: The fan doesn't work properly.
On: Total power supply is equal to or greater than 243 W.
Flashing: Total power supply is equal to or greater than 243 W and lasts for more than 2
PoE Max
minutes.
Off: Total power supply is less than 243 W.
Note:
For models that support the LED On/Off feature, the LEDs function as shown above only
when the LED status is on.
Switch Explanation
Switch
Priority
Isolation
2
Introduction
Indication
Off: All the ports transmit data with the same priority.
On: The specific ports transmit data with a higher priority than other ports.
Off: Ports can transmit data with each other.
On: Specific ports cannot transmit data with other downlink ports. They can transmit
data only with the uplink ports.
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