Paradyne KeepInTouch 3760 User Manual page 48

Table 4-1. AT Command and S-Register Reference (8 of 27)
AT
Command
Description
or
S-Register
&D n
DTR Action
This command controls what actions are taken by the
modem based upon the Data Terminal Ready signal.
&D0 Ignore true status, treat as always ON.
&D1 Places modem into Online Command mode (the
&D2 Follows standard RS232 operation. When
&D3 Reloads the contents of User 0 (ATY0) or
&D4 NOTE: This is used in specialized applications
The local modem does not disconnect from the call
until the local computer turns DTR Off regardless of
how the remote modem disconnects the call. See S25
for more information.
call is not disconnected) when the DTR signal
turns Off. An ATO returns the modem to Online
mode.
DTR turns Off, the modem disconnects.
User 1 (ATY1) into the Active memory area
when DTR turns Off. This is similar to the ATZ
command (ATZ=ATZ3), but does not perform a
complete power reset.
and is not required by the typical user.
Issue 3 April 1994
4-9