General Commands - Westermo TDW-33 Commands Interface Manual

General commands

The AT command line accepts up to 65 characters.
A – Answer a call
Supported by:
TDW-33
Description:
The modem will go off-hook and attempt to answer an incoming call if correct condi-
tions are met. Upon successful completion of answer handshake, the modem will go on-
line in answer mode.
A successful negotiation must be meet during time set by register S7
Syntax:
ATA
Parameters:
No parameters
Command example
ATA
S register: S7 sets time allowed to connect
&An – Dial Abort Option
Supported by: TDW-33
Description:
The modem normally aborts the option the connection negotiation if a character is
received from DTE during the connection phase. This command gives the user the
option to let the modem ignore characters.
Syntax:
&A<n>
Parameters:
<n>
0: Enables Abort (Default)
1: Disable Abort
Command example
AT&A<n>
S register: The value is written to S14 bit 4
4 4
TD-36 TD-36 485
Possible responses
CONNECT<speed>
TD-36 TD-36 485
Possible responses
OK
ERROR
TR-36
Note
Answer to this incoming
call, call accepted
TR-36
Note
The command is valid
and accepted
Otherwise
6618-3201