User`s guide

Vigor3900 Series User’s Guide
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LED Status Explanation
On The router is powered on. PWR
Off The router is powered off.
Blinking The system is active. ACT
On/Off The system is hanged.
On The fiber connection is established. SFP 1/2
Off No fiber connection is established.
On The USB device is installed and ready. USB 1/2
Off No USB device is installed.
On The Ethernet link is established on corresponding port.
Blinking The data transmission is done through the corresponding
port.
L
N
K
Off No Ethernet link is established.
On It means that a normal 1000 Mbps connection is through
its corresponding port.
GigaLAN1
/LAN 2)
1000
Off It means that a normal 10/100 Mbps connection is
through its corresponding port.
On The Ethernet link is established.
Blinking The data transmission is done through the corresponding
port.
L
N
K
Off No Ethernet link is established.
On It means that a normal 1000Mbps connection is through
its corresponding port.
Giga
WAN1/2/3/4
1000
Off It means that a normal 10/100Mbps connection is through
its corresponding port.