2N SmartGate - User Manual - Manual (Page 47)

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SMS Sending Input:
Closed loop resistance max. 1 k W
Open loop resistance Min. 25 k W
Input overvoltage protection max. +/- 12 V
Data Interface:
Interface type RS-232C
Connector D-Sub 9 pins
Interface transmission rate 1200 - 115200 bps (autobauding) 8N1
Others:
Dimensions (w/o connectors) 170 x 130 x 45 mm
Operating temperature 0 °C to 45°C
Operating status signaling 3 LEDs (on, GSM network, line)
© 2005, 2N TELEKOMUNIKACE a.s.