Specifications

MC55 AT Command Set
4.2 AT&C
s
MC55_ATC_V03.03 Page 84 of 459 9/9/05
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4.2 AT&C Set circuit Data Carrier Detect (DCD) function mode
The AT&C command determines how the state of circuit 109 (DCD) relates to the detection of received line signal
from the distant end.
Syntax
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
Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last
V.250 ! % ! % % % ! ! !
<value>
(num)(&W)(&V)