D
e
s
c
r
i
p
t
i
o
n
f
D
e
s
c
r
i
p
t
i
o
n
f
LED
PWR
ACT
SFP 1/2
USB 1/2
LNK
GigaLAN1
/LAN 2)
1000
LNK
Giga
WAN1/2/3/4
1000
Vigor3900 Series User's Guide
o
r
L
E
D
o
r
L
E
D
Status
On
Off
Blinking
On/Off
On
Off
On
Off
On
Blinking
Off
On
Off
On
Blinking
Off
On
Off
Explanation
The router is powered on.
The router is powered off.
The system is active.
The system is hanged.
The fiber connection is established.
No fiber connection is established.
The USB device is installed and ready.
No USB device is installed.
The Ethernet link is established on corresponding port.
The data transmission is done through the corresponding
port.
No Ethernet link is established.
It means that a normal 1000 Mbps connection is through
its corresponding port.
It means that a normal 10/100 Mbps connection is
through its corresponding port.
The Ethernet link is established.
The data transmission is done through the corresponding
port.
No Ethernet link is established.
It means that a normal 1000Mbps connection is through
its corresponding port.
It means that a normal 10/100Mbps connection is through
its corresponding port.
3