Obile – Siemens MC55 User Manual

Page 90

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MC55 AT Command Set

4.2 AT&C

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MC55_ATC_V01.05

Page 90 of 469

2/10/04

Confidential / Released

4.2

AT&C Set circuit Data Carrier Detect (DCD) function mode

Syntax

Command Description

This parameter determines how the state of circuit 109(DCD) relates to the detection of received line signal from
the distant end.

Parameter Description

[0]

DCD line is always ON

1

(&F)

DCD line is ON in the presence of data carrier only

Exec Command

AT&C

[

<value>

]

Response(s)

OK

PIN

ASC0

ASC1

MUX1

MUX2

MUX3

!

%

!

%

%

%

Reference(s)

V.25ter

<value>

(num)(&W)(&V)

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