Chapter 12 – V.24 and V.25 Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 106
Multiplexing Mode +WMUX
Description: This command manages the data/AT commands in multiplexing mode. See Appendix B for the
Data/Commands multiplexing protocol description.
Values: <mode>
0 Multiplexing disabled. When the product is online (data communication in progress), no AT
command can be used (default).
1 Multiplexing enabled. Data flows and AT commands are multiplexed while in online mode (data
communication in progress).
Note: The Mulitplexing mode is available to only one UART. If this mode is available on UART1
and the AT+WMUX=1 command is sent through UART2, the multiplexing mode will be
available on UART2 and disabled on UART1.
Syntax: Command syntax: AT+WMUX=<mode>
Command Possible responses
AT+WMUX=? +WMUX: (0-1)
OK
AT+WMUX? +WMUX: 0
OK
Note: Data/Commands multiplexing disabled
AT+WMUX=1
Note: Enable Data/Commands multiplexing
OK
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