DCS WDU models Specifications download pdf (Page 67)

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101

UC864-E/G/WD/WDU AT Commands Reference Guide

80304ST10041a Rev. 7 - 2010-10-14

3.5.4.1.8. Multiplexing Mode - +CMUX

+CMUX - Multiplexing Mode

AT+CMUX=

<mode>

[,<subset>]

Set command is used to enable/disable the GSM 07.10 multiplexing

protocol control channel.

Parameters:

<mode> multiplexer transparency mechanism

0 - basic option; it is currently the only supported value.

0 - UIH frames used only; it is currently the only supported value.

Note: after entering the

Multiplexed Mode

an inactive timer of five seconds

starts. If no CMUX control channel is established before this inactivity timer

expires the engine returns to

AT Command Mode

Note: all the CMUX protocol parameter are fixed as defined in GSM07.10

and cannot be changed.

Note: the maximum frame size is fixed: N1=128

AT+CMUX?

Read command returns the current value of <mode> and <subset>

parameters, in the format:

+CMUX: <mode>,<subset>

AT+CMUX=?

Test command returns the range of supported values for parameters

<mode> and <subset>.

Reference GSM 07.07, GSM 07.10

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