Nice DISCADOR SIM 1010GSM Instructions And Warnings For Installation And Use page 55

SPECIFICATIONS OF HARDWARE
- Power supply, external power supply 12 VDC/2A.
- GSM Quadriband Module operates in all current Brazilian operators.
- 2 digital inputs activated by 5 to 12 VDC voltage.
- 2 digital outputs, through relay dry contact, programmable type (PGM). Possibility
of feeding the common relay, internally, with the power supply voltage of the
equipment.
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