Siemens AC75 Manuel D’Utilisation

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AC75_ATC_V01.002

Page 106 of 569

10/30/06

Confidential / Released

The 

 command determines how the state of the DCD line (circuit 109) reflects the AC75's internal activity. 

[0]

DCD line shall always be on. 

1

(&F)

DCD line shall be on only when data carrier signal is present. 

2

DCD line shall be on when one or more Internet services defined on the related

serial channel are in state "Connecting" or "Up" as described below. For details

on the various service states refer to 

, parameter 

, parameter 

.

• SOCKET, HTTP, SMTP, POP3: DCD shall be on when

="Connnecting" or "Up"

• FTP: DCD shall be on when data channel is connected, i.e.

="Up"

Exec Command

AT&C

Response(s)

OK

Reference(s)

PIN

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

4

Last

V.250 , SIEMENS 

<value>

(num)(&W)(&V)