KE LOGEM 928, Operation Manual

Page: 87 / 200

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Operation Manual V.34 - Modems, Version 07/97
AT
Chapter 3
AT&D(n) S1 Option
The command controls the operation of the interface line S1/108 (DTR).
command parameter/default description
AT&D(n) 0...6 / 2 S1 option
0 S1/108 is ignored by the modems
1 commands are received at inactive
S1/108. Incoming calls are not
accepted. An ON/OFF change termi-
nates the existing connection.
2* an ON/OFF change at S1/108 termi-
nates the connection. auto answer
mode and line switching are not
possible in OFF state.
3* an ON/OFF change at S1/108
causes a reset (command ATZ)
4** the modem dials the calling number
from the dialling register Z0 at an
ON/OFF change at S1/108
5* as AT&D3; an ON/OFF change at
S1/DTR causes a hardware reset
6* as AT&D1; an incoming call is accep-
ted at inactive S1/DTR
* AT commands are not accepted at inactive S1/DTR line.
** Only outgoing dial up is possible.
AT Commands