User's Manual

2
1.2 LEDs and Interfaces
Front Panel
The following table describes the LEDs of the device:
LEDs Color Status Description
On The device is powered on.
Green
Off The device is powered off.
PWR
Red On
The device is self-testing or self-testing
is failed, or the software is upgrading.
On
The device has established connection
with the office physical layer.
Blinks
(fast)
The device is handshaking with the
office physical layer.
Link Green
Blinks
(slow)
The device does not detect the signals.
On
The device has a successful Internet
connection in the routing mode, and no
data is being transmitted.
Blinks
Data is being transmitted on the
Internet in the routing mode.
Green
Off The device is in bridge mode.
Data
Red On
After the successful synchronous in
the routing mode, the Internet
connection is failed.
On
The device has successful LAN
connection.
Blinks
Data is being transmitted on LAN or
data is being transmitted on the
Internet in the bridge mode.
LAN4-1 Green
Off The LAN connection is failed.