Proroute
GEM
2M
4G
Router
GEM-2M series User Manual
13
1.2.4 LED
Indication
LED Icon
Indication
LED Color
Description
Power Source 1 Green
Steady ON:
Device is powered on by power
source 1
Power Source 2
(*
2
)
Green
Steady ON:
Device is powered on by power
source 2
SIM A
(*
3
)
Green
Steady ON:
SIM card A is chosen for
connection
SIM B
Green
Steady ON:
SIM card B is chosen for
connection
High Cellular
Signal
Green
Steady ON:
The signal strength of Cellular
is strong
Low Cellular
Signal
Green
Steady ON:
The signal strength of Cellular
is weak
LAN Green
Steady ON:
Ethernet connection of LAN
WAN is established
Flash:
Data packets are transferred
Serial Port
Green
Steady ON:
If serial device is attached
2
If
both
of
power
source
1
and
power
source
2
are
connected,
the
device
will
choose
power
source
1
first.
The
LED
of
power
source
2
will
remain
OFF
at
this
condition.
3
The
SIM
LED
indicates
which
SIM
socket
will
be
chosen
for
connection
by
system
setting,
no
matter
SIM
card
is
inserted
or
not.