Connections/ Interfaces
• 4 digital inputs with 2 ground connections
• 2 digital outputs
Connection for a GSM aerial
GSM status LED
Slot for SIM card
RS-232 interface
Status LEDs for analogue and digital inputs
Power and Status LED
DIP switch for selecting functions
Connection for the power supply
• 2 analogue inputs with ground connection
• 4 digital inputs with 2 ground connections
• 2 digital outputs
• 2 analogue inputs with ground connection
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