66250756-EN - V2.1 - 05/11/19
- 10 -
4000 Series GSM Lite Audio Intercom - Technical Manual
4000 Series GSM Lite Audio Intercom
Art. 4811 Technical Information
ART. 4811 GSM (LITE) MODULE
Internal jumper JP2
Nameplate LED illumination adjustment
103mm
120mm
Fig. 7
SPEAKER VOLUME ADJUSTMENT (DIP-SWITCH SETTINGS)
LEGEND
There are 2 dip-switches located on the back of the GSM module next to the
antenna connection, see
Fig.7
,
. They can be used to adjust the volume from
the door intercom speaker (see table below). Additionally, the volume can also
be adjusted during a call electronically via the telephone keypad (refer to user
command table on page 43).
Internal nameplate LED jumper (
JP2
)
Nameplate window
Call button
Intercom speaker
Current firmware version (
GSMLT X.X.X
)
Dip-Switch
Dip-Switch Status
Gain (dB)
Power input and auxiliary terminal
AO1
Dip No.1
Dip No.2
GSM function terminals (
g
,
1
-
8
)
1 2
ON
ON
ON
6
Relay output (
C
,
NC
and
NO
)
Antenna connection
1 2
ON
ON
OFF
12
SIM card holder
1 2
ON
OFF
ON
18
Speaker volume dip-switches
1 2
ON
OFF
OFF
23.5
NAMEPLATE ILLUMINATION JUMPER JP2
The nameplate LED illumination jumper
JP2
is located behind the GSM module’s
front facia, shown in
Fig.7
,
. To access the jumper the facia must be removed
and the jumper can be adjusted as required. When
JP2
is set in position
A
(upper
2 pins) the LED is set for bright illumination, when
JP2
is set in position
B
(lower
2 pins) the LED is set for low illumination and if
JP2
is completely removed this
will disable the nameplate LED’s, see
Fig.8
.
JP2
JP2
JP2
Fig. 8