Serial Interface Control Commands; C-Set Dcd Line Mode; Command Syntax; Description - Huawei MU509 At Command Interface Specification

HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
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5.1 &C–Set DCD Line Mode

5.1.1 Command Syntax

Command
&C[value]

5.1.2 Description

The command determines how ITU-T V.25 circuit 109 (or equivalent) relates to the
detection of received line signal from remote end (recommended default 1 i.e. 109
operation relates to detection of received signal).

5.1.3 Defined Values

<value>:
0: Carrier Detection (DCD) line always is ON.
1: DCD line is in ON in the presence of data carrier only (default value).
Note:
Issue 04 (2013-01-28)

Serial Interface Control Commands

AT&C will set value to 0.
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Possible response(s)
<CR><LF>OK<CR><LF>
In case of MS-related error:
<CR><LF>ERROR<CR><LF>
Serial Interface Control Commands
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