I65/I56I HARDWARE DESCRIPTION VERSION
1.00
8.1.6 Turn on the GSM/GPRS engine of I56/I56i
In general, be sure not to turn on GSM/GPRS engine of the I56/I56i module
while it is out of the operating range of voltage and temperature stated
described in
. The GSM/GPRS engine of the I56/I56i would
immediately switch off after having started and detected these inappropriate
conditions.
To switch on the I56/I56i GSM/GPRS engine the SOFT_ON signal needs to
be driven to HIGH level for at least 100 ms. To make it in a properly
manner just use externally a user application switch (see also figure attached
in chapter
). Now the module is ready for operation and the serial
interface of the module is accessible. Just type AT and then “ENTER” key
the module responds OK.
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