Vigor3900 Series User’s Guide
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Before you use the Vigor router, please get acquainted with the LED indicators and connectors first.
The displays of LED indicators and connectors for the routers are different slightly.
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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.
LNK
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.
LNK
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.
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