4
2
2
.
.
2
2
V
V
i
i
g
g
o
o
r
r
2
2
9
9
2
2
7
7
a
a
c
c
/
/
V
V
i
i
g
g
o
o
r
r
2
2
9
9
2
2
7
7
a
a
x
x
/
/
V
V
i
i
g
g
o
o
r
r
2
2
9
9
2
2
7
7
L
L
a
a
c
c
No. LED Status Explanation
Off The router is powered off.
ACT
Blinking The router is powered on and running
normally.
On Internet connection is ready.
Off Internet connection is not ready.
WAN2/WAN1
Blinking The data is transmitting.
On USB device is connected and ready for use.
Off No USB device is connected.
USB1/USB2
Blinking The data is transmitting.
On LTE device is connected and ready for use.
Off LTE device is not detected, or has serious
problem (e.g., no SIM card, SIM pin error, SIM
deactivated, and etc.).
LTE
Blinking Slowly: LTE device is in dialing up.
Quickly: The data is transmitting.
On The DMZ function is enabled.
Off The DMZ function is disabled.
(1)
DMZ
Blinking The data is transmitting.