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FIBOCOM L860 AT Commands User Manual
Page 57 of 254
4.2.7 +GFSN, Set SN Number
This command is used to set SN number.
Command
Description
Set
[Function]
The Set command is used to set SN number.
[Syntax]
AT+GFSN=<g_fsn>
[Response/Action]
OK
or:
ERROR
Read
N/A
Test
N/A
Parameters
<g_fsn> string type, the maximum length is 12 character. The parameter is kept after
power-cycle and software update.
Example
AT+GFSN=”1234567890”
OK
4.3 Multiplexer Feature
The MUX provides multiple logical communication channels between the DTE and Modem over one
physical RS232 or USB connection. This service enables the DTE device to run multiple applications
(such as GPRS, CSD, SMS and voice calls) while communicating simultaneously with the Modem.
The Modem can support the multiplexing protocol control channel as defined in GSM07.10 and only basic
mode.
4.3.1 +CMUX, MUX Start up Command
This command is used to start the GSM MUX multiplexing protocol stack. When the Modem received a
valid +CMUX command, it returns OK and changes its state to MUX-Init. If the parameters are left out, the
default value is used.
Command
Description
Set
[Function]
The Set command requests the Modem to open the MUX stack with various