User`s manual

9
4. LED Condition Definition
The LEDs provide useful information about the switch and the status of
all individual ports.
LED Status Description
OFF The switch is power OFF.
Power
ON The switch is power ON.
OFF PoE power is available for PD connection.
ON
No system budget is available
PoE Max.
(Note 1*)
Blink Total PoE deliver power is over budget.
OFF The port is link down.
ON-Green The port is link as 100Mbps speed.
ON-Yellow The port is link as 10Mbps speed.
Blink-Green Send/Receive data in 100Mbps.
Link/Act
Blink-Yellow Send/Receive data in 10Mbps.
OFF
1. PoE power is not dellivered to the port.
2. PoE power is dellivered to the port with
802.3af. PoE in
ON
PoE power is dellivered to the port with
802.3at.
OFF
PoE power is not dellivering from the port.
ON PoE power is dellivering from the port.
PoE out
(Note 2*)
Blink
PoE power fail to deliver on the port
because of overload or short-circuit.
Note 1*:
1. PoE power assignment is according to PD’s class. It is class 1: 4W, class 2:
7W, class 3: 15W, class 4: 30W (or system budget), class 0: 13W.
2. If powered by 802.3af PoE on Uplink port, 8W max. for Port 1~4 totally.
If powered by 802.3at PoE on Uplink port, 20-22W max. for Port 1~4 totally.
If powered by power adapter from DC jack, 60W max. for Port 1~4 totally.
3. If “PoE Max” LED is ON, that means no system budget available for new PD.
Note 2*
1. If “PoE Out” blink, that means PoE overload happens on the port. The overload
connection should be removed first before new PD is connected.