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Siemens MC35 User Manual

Page 31

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AT Command Set

MC35_ATC_01_V03.02

Page 31 of 228

13.03.2002

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

Write command

AT&D[]

Response

This command is only intended for data calls. The parameter determines
how the TA responds when circuit 108/2 (DTR) is changed from ON to OFF dur-
ing data mode.
OK

Parameter

<value>

0

TA ignores status on DTR.

1

ON->OFF on DTR: Change to command mode while retaining
the connected call.

2

ON->OFF on DTR: Disconnect data call, change to command
mode. During state DTR = OFF is auto-answer off.

Reference

V.25ter

Note

Line state refers to RS-232 levels.

2.35 AT&F Set all current parameters to manufacturer defaults

Execute command
AT&F[value]

Response

TA sets all current parameters to the manufacturer defined profile.

OK

Parameter

0

set all TA parameters to manufacturer default

Reference

V.25ter

Note

• List of parameters reset to manufacturer default (sorted by the associated AT

commands):
E, Q, V, X, +CBST, +CRLP, +CRC, +CR, +CNMI, +CMEE, +CSMS, ^SCKS,
^SACM, +CREG, +CLIP, the S Parameters, &D, &C, &S, +CGDCONT,
+CGQREQ, +CGQMIN

• In addition to the default profile, you can store an individual one with AT&W. To

alternate between the two profiles enter either ATZ (loads user profile) or AT&F
(restores factory profile). Refer to Chapter 2.38 for AT&W and Chapter 2.32 for
ATZ.