16 NP2500 24-Port 10/100 PoE + 2-Port 10/100/1000 WebSMART Switch User Guide
YML842 Rev1
Red
When the PoE port have the following failure happens:
• PoE power circuit shortage.
• Power over current: over the power current of PD’s classification.
• Out of PoE voltage of 44 ~ 57 VDC output.
• Cause fail.
Off
No PoE powered device (PD) connected or unplugged the PoE output
port.
Gigabit Ethernet Port Status LEDs
Link/ACT:
Link/Activity
On
When the Link/ACT LED lights on, the respective port is successfully con-
nected to an Ethernet network.
Blinking
When the Link/ACT LED is blinking, the port is transmitting or receiving
data on the Ethernet network.
Off
There is no link.
1000Mbps
On
When the 1000Mbps LED lights on, the respective port is connected to a
1000Mbps Gigabit Ethernet network.
Off
When the respective port is connected to a 10Mbps Ethernet or 100Mbps
Fast Ethernet network.
100Mbps
On
When the 100Mbps LED lights on, the respective port is connected to a
100Mbps Fast Ethernet network.
Off
When the respective port is connected to a 10Mbps Ethernet or
1000Mbps Gigabit Ethernet network.