HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Issue 18 (2009-06-22)
Commercial in Confidence
Page 46 of 169
3 Circuit 109 (CF) ON. DCD is Low. High during a packet switched call (only
applies to IP STACK PPP)
4 Circuit 109 (CF) ON. DCD is Low. High on socket TCP
NOTE: AT&C will set value to 0.
3.30 Set circuit Data Terminal Ready (DTR) function
mode &D
3.30.1 Command Syntax
Command
Possible response(s)
&D[value]
<CR><LF>OK<CR><LF>
In case of MS-related error:
<CR><LF>+CME ERROR: <err><CR><LF>
3.30.2 Interface Description
The command sets how the TA responds when circuit 108/2 (DTR) is changed from
ON to OFF during data mode..
3.30.3 Defined Values
<value>:
0 TA ignores status of DTR.
1 Change to command mode while retaining the connected call.
2 Disconnect data call, change to command mode. During state DTR = OFF
auto-answer is off. (default)
NOTE: AT&D will set value to 0.
3.31 TE2-MT2 Character FICF
3.31.1 command syntax
Command
Possible response(s)
AT+ICF=[<format>[,<parity
>]]
<CR><LF>OK<CR><LF>
<CR><LF>ERROR <CR><LF>
AT+ICF? <CR><LF>+ICF:
< format >[,<parity
>]<CR><LF><CR><LF>OK<CR><LF>
Содержание EM770W
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