4
Yellow
(Lower LED)
Ethernet port full duplex
Blinking
(Lower LED)
Collision of packets occurs
Off
(Lower LED)
Ethernet port half duplex or not connected to
network
P17 ~ P18
(10/100/1000T)
Green
(Upper LED)
Connected to network
Blinking
(Upper LED)
Networking is active
Off
(Upper LED)
Not connected to network
Green
(Lower LED)
The port is operating at speed of 1000M
Off
(Lower LED)
The port is disconnected or operates at speed
of 10/100M
P17 ~ P18
Link/Active
(100/1000 SFP)
Green
SFP port is connected to network
Blinking
Networking is active
Off
Not connected to network