15.10 GSM/GPRS Interface
Dual band GSM 900 MHz and DCS 1800 MHz
Conforms to European ETSI standards
MMCX socket for antenna connection
Automatic PPP handling for GPRS calls with PAP and CHAP authentication.
Outgoing SMS messages on input pin activation
Output relay activation on incoming SMS messages
15.11 SMS Messaging
Four active low inputs generate SMS messages
Four active high inputs generate SMS messages
Two normally open relay outputs activated by incoming SMS messages
Two normally closed relay outputs activated by incoming SMS messages
Optional validation of caller number for incoming SMS messages
15.12 Data Interface
Asynchronous 9 pin RS232 interface
Autobauding to 115.2 Kbps
Data format 8 bit, 1 stop bit, with parity auto-detect (none/even/odd)
Hayes AT compatible
RTS/CTS flow control
15.13 Pin Inputs
Maximum input voltage range
0V to +24V
Input ‘low’ threshold
< 2V
Input ‘high’ threshold
> 3V
Input pull-up impedance
Internal 10K to 5V supply
Time between input pin status change
and start of alarm transmission
< 1s
Interface fault detection and reporting
time (providing sense resistors fitted as
specified in Installation – Pin Alarm
section)
< 1s
15.14 Relay Outputs
Maximum operating voltage
24V
Maximum current rating
1A
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Содержание IRIS 8 Series
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