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HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification
Serial Port Control Commands
Issue 01 (2011-08-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
52
5 Serial Port Control Commands
5.1 &C–Command for Setting the Changing Mode of
DCD Signals
5.1.1 Syntax
Command
Possible Response(s)
&C[<value>]
<CR><LF>OK<CR><LF>
In case of an MT-related error:
<CR><LF>ERROR<CR><LF>
5.1.2 Interface Description
This command sets the changing mode of DCD signals.
5.1.3 Parameter Description
<value>:
0: DCD signals are always ON.
1: DCD signals are ON when there is a data carrier (default value after startup).
In case of using the command without <value>, <value> is set to 0.