2N Analogue GSM gateway 2N EasyGate - Manual, 1575 v1.1.0.2 - Manual (Page 51)

SMS Sending Input 4.3
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4.3 SMS Sending Input
This universal input is intended especially for reporting alarm or error statuses of any
equipment provided with the appropriate contact (a relay contact, e.g.).
By activating this input (electric input pin interconnection) you send one SMS to one
pre-programmed telephone number.
Caution
„ Do not use in life-supporting or property-protection applications because
of the character of SMS service and EasyGate. The manufacturer shall not
be liable for health and property damage incurred as a result of SMS
sending failure.