Function Overview
INSYS GSM small 2.0
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Function Overview
The INSYS GSM small 2.0 provides you with the following functions:
Automatic baud rate detection
The INSYS GSM small 2.0 will automatically adjust the data transmis-
sion rate, if a connection is made via its serial interface. The serial
transmission rate can be preset for applications for the serial commu-
nication to be able to initialize with a defined baud rate.
Data buffering for serial data transmission
The INSYS GSM small 2.0 provides rapid send and receive buffers to
adjust the modem to the data processing speed of the application.
Hardware and software data flow control
The INSYS GSM small 2.0 can signal the application via the control
lines of the serial interface to interrupt the data flow, if the buffers of
the INSYS GSM small 2.0 exceed a certain level. An application can
also prompt the INSYS GSM small 2.0 via a control line to interrupt
the data flow. As an alternative, the INSYS GSM small 2.0 can control
the data flow via XOFF/XON characters in the data stream.
Calling number identification
The INSYS GSM small 2.0 transmits the phone number of an incom-
ing call via the serial interface.
Automatic call acceptance for CSD data connections
The INSYS GSM small 2.0 can be configured to accept incoming CSD
data connections after a specified number of ring tones.
Automatic establishment of CSD data connections via the DTR con-
trol line
The INSYS GSM small 2.0 can establish a CSD data connection to a
configured number by activating the DTR control line.
Sending SMS messages on DTR activation
The INSYS GSM small 2.0 can send a previously entered message to
a configured recipient by activating the DTR control line.
Integrated real-time clock
The integrated real-time clock can be used to execute AT commands
and exit Power-Down mode time-controlled.
Reset input
The INSYS GSM small 2.0 can be reset by connecting the Reset input
to ground. All saved settings are maintained with this.
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