HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Issue 18 (2009-06-22)
Commercial in Confidence
Page 45 of 169
S0 0
S7 50
S10 14
+IPR 115200
+ICF 3,3
+IFC 2,2
%AUTORESET 0
%IPCTRIP 0
%IPCFL 0,0,1,30,0,10,100,60,3,60
%IPNOTIF 1
+CLIP 0,1
+CNMI 1,4,0,0,0
+CPMS “sm”,”sm”,”sm”
+CCWA 0
3.29 Set Data Carrier Detect (DCD) Line mode &C
3.29.1 Command Syntax
Command
Possible response(s)
&C[value]
<CR><LF>OK<CR><LF>
In case of MS-related error:
<CR><LF>+CME ERROR: <err><CR><LF>
3.29.2 Interface Description
The command sets how the state of the DCD line (circuit 109) relates to MC75's
internal activity..
3.29.3 Defined Values
<value>:
0 Circuit 109 (CF) always ON.
1 Circuit 109 (CF) ON in accordance with the specified service. DCD line is High
during a circuit switched call.
2 Circuit 109 (CF) ON. DCD is always high. This line toggles low for 1 second when
the circuit switched call is disconnected. (default)
Содержание EM770W
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