Set Data Carrier Detect (Dcd) Line Mode &C; Command Syntax; Interface Description; Defined Values - Huawei EM770W At Command Interface Specification

%AUTORESET
3.29 Set Data Carrier Detect (DCD) Line mode &C

3.29.1 Command Syntax

Command
&C[value]

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
1
during a circuit switched call.
2
the circuit switched call is disconnected. (default)
Issue 18 (2009-06-22)
S0
S7
S10
+IPR
+ICF
+IFC
%IPCTRIP
%IPCFL
%IPNOTIF
+CLIP
+CNMI
+CPMS
+CCWA
Circuit 109 (CF) always ON.
Circuit 109 (CF) ON in accordance with the specified service. DCD line is High
Circuit 109 (CF) ON. DCD is always high. This line toggles low for 1 second when
Commercial in Confidence
HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
0,0,1,30,0,10,100,60,3,60
"sm","sm","sm"
Possible response(s)
<CR><LF>OK<CR><LF>
In case of MS-related error:
<CR><LF>+CME ERROR: <err><CR><LF>
0
50
14
115200
3,3
2,2
0
0
1
0,1
1,4,0,0,0
0
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