Westermo IDW-90 AT User Manual

Page 19

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19

6620-3200

N – Set line baudrate V.110
This command will respond with OK without any functionality after it. V.110 baudrates 
can be set with AT**BRN.

!\N – Operating Mode
This command controls the preferred error correcting mode to be negotiated in a  
subsequent data connection. 

AT!\N0 

 Selects normal speed buffered mode  
(disables error-correction mode). 

AT!\N1 

Same as !\N0

AT!\N2 

 Selects reliable (error-correction) mode. The modem will first 
attempt a LAPM connection and then an MNP connection. Failure  
to make a reliable connection results in the modem hanging up. 
(Forces !&Q5, S36=4, and S48=7.)

AT!\N3

 Selects auto reliable mode. This operates the same as \N2 except 
failure to make a reliable connection results in the modem falling 
back to the speed buffered normal mode. (Forces S36=7, and S48=7, 
(default)

AT!\N4 

 Selects LAPM error-correction mode. Failure to make an LAPM 
error-correction connection results in the modem hanging up. 
(Forces S48=0.)  
Note: The !-K1 command can override the !\N4 command.

AT!\N5 

 Selects MNP error-correction mode. Failure to make an MNP  
error-correction connection results in the modem hanging up.  
(Forces S36=4, and S48=128.)

O – Return to online state
If the IDW-90 is in command mode after issuing an escape sequence out of an existing 
connection, ATO brings the IDW-90 back to data phase.
Must be the last command in AT command line.

ATO

#O – Received CLIP
Shows the calling line identification (CLIP) that is received with an incoming  
call – number of the calling party.

AT#O

Q – Suppress result
Suppresses result codes.

ATQ0

Return status – codes after command input (default)

ATQ1 

No result codes are returned

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