User's Manual

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TECHNICAL MANUAL
Telit GM862 PCS
Tri Band GPRS Data Terminal System Rev.1
2.8.3.2 +FPR – Select serial port rate
+FPR – Select serial port rate
Execute command
Read command
Write command
AT+FPR=<rate>
Selects the the serial port speed in both directions: from DTE to DTA
and from DTA to DTE. When autobauding is selected, then the speed
is detected automatically.
Parameter:
<rate> - serial port speed selection
0 - autobauding
Test command
AT+FPR=? Returns all supported values of the parameters <rate>.
Example
Reference ITU T.31 and TIA/EIA-578-A specifications
SW release Version A
2.8.3.3 +FDD – Double escape character replacement control
+FDD – Double escape character replacement control
Execute command
Read command
Write command
AT+FDD=<mode>
This command sets the double escape character replacement behavior
of the module depending on the parameter <mode>.
Parameter
<mode>= 0
DCE decode of <DLE><SUB>: <DLE><DLE> or discard
DCE encode of <1/0><1/0>: <DLE><DLE><DLE><DLE>
Test command
AT+FDD=? Returns all supported values of the parameters <mode>.
Example
Reference ITU T.31 and TIA/EIA-578-A specifications
SW release Version A