Siemens MC35 User Manual
AT Command Set
MC35_ATC_01_V05.00
Page 38 of 256
15.07.2002
2.34 AT&D Set circuit Data Terminal Ready (DTR) function mode
Write command
AT&D[<value>]
Response
This command is only intended for data calls. The <value> parameter determines
how the TA responds when circuit 108/2 (DTR) is changed from ON to OFF dur-
ing data mode.
OK
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.
the connected call.
2
ON->OFF on DTR: Disconnect data call, change to command
mode. During state DTR = OFF is auto-answer off.
mode. During state DTR = OFF is auto-answer off.
Reference
V.25ter
Note
Line state refers to RS-232 levels.