Insys GSM 4.2 I4 11-02-01-03-01.038 用户手册
产品代码
11-02-01-03-01.038
INSYS GSM 4.2 I4
Overview
Dez-06
15
2.4.5 Audio interface
Pin layout, 4-pin RJ45 phone plug:
Pin
Usage
1
Microphone (-)
2
Speaker (-)
3
Speaker (+)
4
Microphone (+)
Reference type: Handset Siemens-Gigaset
2.4.6 Antenna interface
The antenna connector at the front of the device 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).
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).
2.4.7 Digital inputs
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
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.