C55/C55i AT COMMAND SET Description Preliminary - Falcom

C55/C55I AT COMMAND SET VERSION 1.00
3.2 AT&C Set circuit Data Carrier Detect (DCD) function mode
Syntax
Exec Command
AT&C[]
Response(s)
OK
Reference(s) PIN ASC0
V.25ter ○ ●
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
(num)(&W)(&V)
[0] DCD line is always ON
1 (&F)
DCD line is ON in the presence of data carrier only
3.3 AT&D Set circuit Data Terminal Ready (DTR) function
mode
Syntax
Exec Command
AT&D[]
Response(s)
OK
Reference(s) PIN ASC0
V.25ter ○ ●
Command Description
This parameter determines how the TA responds when circuit 108/2
(DTR) is changed from ON to OFF during data mode.
Parameter Description
(num)(&W)(&V)
[0] TA ignores status of DTR.
1 ON → OFF on DTR: Change to command mode while
retaining the connected call.
2 (&F) ON → OFF on DTR: Disconnect data call, change to
command mode. During state DTR = OFF is auto-answer
off.
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