Instalattion and operating manual: MGSM 5.0/MGSM 5.0-PS v.1.8S EN
authorized lines). To connect the MGSM 3.5/3.5-PS, MGSM 5.0/5.0-PS, VSR-2 and AMR-1
(or other) modules, the 5-pin plug should be used. The connections should be performed, as
in the diagram, using the microphone cable or twisted UTP pair over small distances.
VSR, AUDIO-IN, S-M
DESCRIPTION
1
GND – 0V, power supply ground
2
AUDIO IN – audio signal input
3
SYNTHESIZER TRIGGER - 5V during
the alarm, voice message (period 20s)
4
AUDIO OUT – audio signal output
5
+ 12V – voice synthesizer or
audiomodule power supply
4.3. DEVICE CONNECTION TO INPUTS
MGSM can operate with many types of input polarities. It can operate with any of the
following:
- detectors with outputs: NC (normally closed), NO (normally open),
- alarm outputs: relay (RELAY zero potential contacts)
- open collector (OC, BELL – negative power supply controlled)
- high current (positive power supply cont12V)
TYPE
POLARITY
INPUTS
NC
NO
EOL
2EOL/NC
2EOL/NO
I1÷I6
√
√
√
√
√
I7, I8
√
(GND or
+12V)
√
(GND or
+12V)
X
X
X
√ - Ix input operates with a given type of polarity
X - Ix input does not operate with a given type of polarity
Polarity type: NC.
8
NC
contact