AT Command Set

 

B-3

Table B-1 AT Command Set Summary (continued)

 

 

 

 

 

 

 

Command

Function (Example)

Description

 

 

 

 

 

 

Sn=

Write configuration register

Writes to a specific S register.

 

 

(AT S60=64)

 

 

 

\S

Read on-line status: command

Reads the status of any parameters that

 

settings (AT \S)

have been modified through AT

 

 

 

commands and provides call status

 

 

 

information.

 

\T

Link inactivity timer (AT \T1)

V

Result code format (AT V0)

\T0 disables inactivity timer (default).

\Tn link inactivity timer in minutes. The ISDN modem automatically disconnects the call if no activity is sensed within n (n = 0–255) minutes.

V0 enables short form result codes.

V1 enables long form result codes (default).

%V

Show version number (AT %V)

Displays ISDN modem firmware version.

W

Displays connection speed

W0 displays COM port rate only (default)

 

 

W1 displays COM port and ISDN data rate

 

 

W2 displays ISDN data rate only

&W

Stores configuration (AT &W)

Stores the configuration of all S registers

 

 

that are not part of the ISDN modem

 

 

initial configuration set.

Z

Reset (AT Z)

Disconnects all calls in progress and

 

 

performs a complete ISDN modem

 

 

system reset.

+++

Enter command state

Causes ISDN modem to enter the

 

 

command state if it is currently in the

 

 

on-line state.

 

 

 

* To access the Configuration dialog box, the baud rate must be set to Autobaud.