User Manual

13. INTERFACE
201
LZT 123 7263 R1A
13.8 AT+CMUX Switch to 07.10 Multiplex Protocol
The command is used to turn on the multiplexer. Only “no
transparency” is supported. The parameter <k> is not used.
Description Command Possible Responses
Switch to 07.10 AT+CMUX=<transp
arency>[,<subset>
[,<port_speed>[,
<N1>[,<T1>[,<N2>
[,<T2>[,<T3>[,<k>
]]]]]]]]
•+CMEERROR:<err>
•OK
•ERROR
Returns current
setting for
multiplexer
AT+CMUX? • +CMUX:<transparency>,<subset
>,<port_speed>,<N1>,<T1>,<N2
>,<T2>,<T3>[,<k>]
•+CMEERROR:<err>
Show list of
supported
services
AT+CMUX=? • +CMUX: (list of supported
<transparency>s),
(list of supported <subset>s),
(list of supported
<port_speed>s),
(list of supported <N1>s),
(list of supported <T1>s),
(list of supported <N2>s),
(list of supported <T2>s),
(list of supported <T3>s),
(list of supported <k>)
•+CMEERROR:<err>
<transparency> Description
0 No transparency
1 HDLC Transparency. Not supported
<subset> Description
0 Only UIH frames used
1 UI frames may be used. Not supported
2 I frames may be used (error recovery is activated). Not
supported
<port_speed> Description
1 9600 bit/s
2 19200 bit/s
3 38400 bit/s
4 57600 bit/s
5 115200 bit/s
6 230400 bit/s. Not supported