66250756-EN - V2.1 - 05/11/19
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4000 Series GSM Lite Audio Intercom - Technical Manual
4000 Series GSM Lite Audio Intercom
ART. 432 GSM ANTENNA
The Art.432 GSM antenna connects to the SMA female bulkhead connection on the
rear of the Art.4811 GSM LITE module. A GSM antenna with an SMA male connector
should be used (refer to
Fig.5
).
Antenna Parts
1. GSM antenna with magnetic base.
2. Self-threading screw
(Ø3.5mm x 9.5mm)
.
3. Aluminium L bracket for mounting.
4. SMA male connector
(cable length 2.5m)
.
5. Expansion type wall plugs
(Ø6mm)
.
6. Self-threading screw
(Ø4mm x 30mm)
.
7. Right angled SMA adapter.
IMPORTANT NOTE: An antenna must always be fitted for the GSM module to
work. Always route the GSM antenna cable away from the microphone wires
and the power supply wires to avoid interference on the speech channels.
In instances where there is a tight fitting space for the SMA male connector on
the antenna cable the right angled SMA adapter
7
can be used to help reroute
the cable down the back side of the GSM module.
Fig. 5
ART. 4901 CODELOCK
The Art.4901 codelock module with blue backlit buttons and is included as
part of the LTGSM4KC kits, see
Fig.6
, can be powered from 12-24V AC or DC
and includes three dry contact relay outputs and two switched 0V push to exit
inputs which can be used to trigger relay 1 & 2.
One code per relay can be programmed into the device. Codes can be between
4 - 8 digits long.
The relay time can be 01 - 99 seconds or set for latching (00). When in latching
mode, enter the code followed by
ENTER
to latch the relay and the code
followed by
CLEAR
to unlatch the relay.
Fig. 6
SMA female bulkhead
connection on rear of
Art.4810 GSM PRO module
System Components and Available Versions
