2
1
1
.
.
1
1
P
P
a
a
n
n
e
e
l
l
E
E
x
x
p
p
l
l
a
a
n
n
a
a
t
t
i
i
o
o
n
n
LED
Status
Explanation
Blinking
The router is powered on and running normally.
ACT (Activity)
Off
The router is powered off.
On
A USB device is connected and active.
USB
Blinking
The data is transmitting.
CSM
On
The profile of CSM (Content Security Management)
for IM/P2P application is enabled from
Firewall >>
General Setup
. (Such profile is established under
CSM
menu).
VPN
On
VPN tunnel is up and down.
On
Wireless access point is ready.
WLAN
Blinking
It will blink while wireless traffic goes through.
The ACT and WLAN LEDs will blink simultaneously
when WPS is working, and it will return to normal
condition after two minutes. (You need to setup WPS
within 2 minutes.)
On
The router is ready to access Internet through DSL link.
DSL
Blinking
Slowly: The modem is ready.
Quickly: The connection is training.
On
The WAN2 connection is ready.
WAN 2
Blinking
It will blink while transmitting data.
On
A PSTN phone call comes (in and out). However, when
the phone call is disconnected, the LED will be off
about six seconds later.
Line
Off
There is no PSTN phone call.
On
The phone connected to this port is off-hook.
Off
The phone connected to this port is on-hook.
Phone
Blinking
A phone call comes.
QoS
On
The QoS function is active.
LED on Connector
On
ISDN-S0 (ISDN-NT) mode is active configured from
IP PBX>>PBX System>>Phone Settings
and an
ISDN phone adapter is connected.
Blinking
ISDN S0 (ISDN-NT) mode configured from
IP
PBX>>PBX System>>Phone Settings
is
active and
an ISDN phone adapter is not connected.
ISDN1/2 Left
LED
(Orange)
Off
It means ISDN TE mode is active which is configured
from
IP PBX>>PBX System>>Phone Settings
.