Quectel M10 At Command Set

M10 AT Commands Set
M10_ATC_V1.01 - 73 -
3.2.44 AT+CMUX Multiplexer Control
AT+CMUX Multiplexer Control
Response
+CMUX: list of supported (<mode>s),(<subset>s),(<port_spe
ed>s),(<N1>s),(<T1>s),(<N2>s),(<T2>s),(<T3>s),(<k>s)
OK
Test Command
AT+CMUX=?
Parameters
See Write Command
Response
+CME ERROR: <err>
Write Command
AT+CMUX=[<m
ode>[,<subset>[,
<port_speed>[,<
N1>[,<T1>[,<N2
>[,<T2>[,<T3>[,<
k>]]]]]]]]]
Parameters
<mode> multiplexer transparency mechanism
0 Basic option
<subset> the way in which the multiplexer control channel is set up
0 UIH frames used only
<port_speed> transmission rate
5 115200bit/s
<N1> maximum frame size
127
<T1> acknowledgement timer in units of ten milliseconds
10
<N2> maximum number of re-transmissions
3
<T2> response timer for the multiplexer control channel in units of
ten milliseconds
30
<T3> wake up response timers in seconds
10
<k> window size, for Advanced operation with Error Recovery
options
2
Read Command
AT+CMUX ?
Response:
+CMUX: (mode-1),0,5,127,10,3,30,10,2
OK
ERROR
Reference
GSM 07.07 [13]
Note
1. Advanced option with Error Recovery options is not supported.
2. The multiplexing transmission rate is according to the current serial
baud rate. It is recommended to enable multiplexing protocol under
115200 bit/s baud rate
3. Multiplexer control channels are listed as follows:
Channel Number Type DLCI
Quectel

Quectel M10 Specifications

General

Brand	Quectel
Model	M10
Category	GSM/GPRS Modules
Language	English