Westermo TDW-33 - Manual (Page 11)

6618-3202 11
&Dn – DTR Control
Supported by: TDW-33 TD-36 TD-36 485 TR-36 TR-36B
Description:
This commands controls the Data Terminal Ready (DTR) signal.
Syntax:
AT&D
Parameters:
0: The DTR signal is ignored (Default)
1: Modem switches from data to command mode when DTR switches from ON
to OFF
2: Upon DTR switch from ON to OFF, the call is hang up
3: DTR drop causes the modem to perfom a soft reset.
Command example Possible responses Note
AT&D OK The command is valid
and accepted
ERROR Otherwise
S register: The value is written to S21 bits 3 and 4.
En – Echo
Supported by: TDW-33 TD-36 TD-36 485 TR-36 TR-36B
Description:
This command is used to determine whether the modem echoes characters received by
an external application (DTE) or not.
Syntax:
ATE
Parameters:
0: Characters are not echoed
1: Characters are echoed (Default)
Command example Possible responses Note
ATE OK The command is valid
and accepted
ERROR Otherwise
S register: The value is written to S14 bit 1