Insys GSM 4.2 Compact 11-02-01-03-04.002 Manuale Utente

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11-02-01-03-04.002
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Overview 
 
INSYS GSM 4.2  
INSYS GSM 4.2 compact 
 
16
 
 
 
 
 
 
 
 
 
 
 
 
Sep-06
 
2.5.5  Audio interface (not for INSYS GSM 4.2 compact) 
Pin layout, 4-pin RJ45 phone plug: 
Pin  Usage 
1 Microphone 
(-) 
2 Speaker 
(-) 
3 Speaker 
(+) 
4 Microphone 
(+) 
Reference type: Handset Siemens-Gigaset 
2.5.6   Antenna interface 
The antenna connector at the front of the INSYS GSM has the type FME (male).  
All commercial GSM antennas with a female FME connector can be used as antennas.  
Ensure that the frequency band corresponds with the one of the provider when using 
single band antennas (900 MHz or 1800 MHz). 
2.5.7  Digital inputs and outputs 
Alarm input 
The alarm inputs are designed as pull-up and are on HIGH in inactive, open state. The 
alarm inputs are activated by connecting to ground. 
LOW 
Active 
0 to 1 V 
HIGH 
Inactive 
4 to 12 V 
 
The input current from LOW to internal +5 V is typically 0.5 mA. 
 
Switch output 
The switch outputs are potential-free relay switches. 
maximum switch voltage: 
30 V (DC) 
42 V (AC) 
maximum current load: 
1 A (DC) 
0.5 A (AC)