MTX
‐
3G
‐
JAVA
Family
www.mtx
‐
terminals.com
www.mtxm2m.com
2015/10
v1.6
Page
77
/
109
MTX
M2M®
by
MATRIX
ELECTRONICA
S.L.U
5.5
Status LEDs
The
MTX
‐
3G
‐
JAVA
modem
family
has
a
bicolor
status
LED
(green
and
red).
The
green
color
LED
is
handled
automatically
by
the
modem
and
indicates
its
different
operating
modes,
as
shown
in
table
below.
The
LED
mode
configuration
is
set
by
the
AT^SLED
command.
The
red
color
LED
(not
available
in
ULP
modes)
is
connected
to
the
GPIO5
in
the
base
MTX
‐
3G
‐
JAVA
modem
and
485
models,
and
to
the
GPIO6
in
all
other
models
(shared
with
an
OUT4
optoisolated
output).
This
allows
the
user
to
define
the
functionality
of
this
LED
by
issuing
AT
commands
or
through
a
Java
embedded
code
(see
Section
4.4.5
).
Terminal
status
<mode>=1
<mode>=2
<flash>=default
<mode>=2
<flash>=user
defined
GSM
CS
data
call
in
progress
or
established
GSM
voice
call
in
progress
or
established
UMTS
voice
call
in
progress
or
established
UMTS
CS
data
call
in
progress
Permanently
ON
10ms
ON
990ms
OFF
<flash>
ms
ON
990
ms
OFF
GSM
PS
data
transfer
UMTS
data
transfer
Permanently
ON
10ms
ON
1990ms
OFF
<flash>
ms
ON
1990
ms
OFF
ME
registered
to
a
network.
No
call,
no
data
transfer
Permanently
ON
10ms
ON
1990ms
OFF
<flash>
ms
ON
3990
ms
OFF
Limited
Network
Service
(e.g.
no
SIM,
no
PIN
or
during
network
search)
500ms
ON
500ms
OFF
10ms
ON
990ms
OFF
<flash>
ms
ON
990
ms
OFF