Siemens MC55 AT manual AT&D Set circuit Data Terminal Ready DTR function mode, AT&Dvalue

4.3 AT&D Set circuit Data Terminal Ready (DTR) function mode

The AT&D determines how the TA responds when circuit 108/2 (DTR) is changed from ON to OFF during data mode.

Syntax

Exec Command

AT&D[<value>]

Response(s)

OK

Reference(s)

V.250

PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last

! % § % % % ! ! !

Parameter Description

<value>(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 auto-answer is off.

MC55_ATC_V04.00	Page 87 of 475	3/17/06
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