AT Command Set and S-Registers

Table 5-2

(6 of 9)

392xPlus AT Commands

AT

 

Description

DCP LCD

 

Command

Command

 

 

 

 

Sequence

 

 

 

 

 

 

 

 

&Mn and

Async/Sync Mode and DTE Dialer Type.

Configure\Edit\

&Qn

&M0, &Q0

Modem operates in Asynchronous mode using AT Command

DTE Dialer

 

 

 

 

protocol.

 

 

&M1, &Q1

Modem operates in Synchronous mode using AT Command

 

 

 

protocol.

 

 

&M2, &Q2

Modem operates in Synchronous mode and dials telephone number

 

 

 

stored in directory location 1 when DTR signal turns OFF and then

 

 

 

ON.

 

 

&M3, &Q3

Modem operates in Synchronous mode using AT Command

 

 

 

protocol.

 

 

&M231

Modem operates in Asynchronous mode using no AT Command

 

 

 

protocol.

 

 

&M232

Modem operates in Asynchronous mode using V.25bis

 

 

 

asynchronous AT Command protocol.

 

 

&M233

Modem operates in Synchronous mode using V.25bis

 

 

 

bisynchronous AT Command protocol.

 

 

&M234

Modem operates in Synchronous mode using V.25bis HDLC AT

 

 

 

Command protocol.

 

 

&M235

Modem operates in Asynchronous mode using AT&T Emulation AT

 

 

 

Command protocol.

 

 

&M236

Modem operates in Synchronous mode using no AT Command

 

 

 

protocol.

 

 

The following commands disable the use of AT commands and force the modem

 

 

 

 

 

 

into Dumb mode: &M2, &Q2, &M231, &M232, &M233, &M234, &M235, &M236.

 

 

 

 

 

 

 

NOTE: The only way to gain control of the modem is via the DCP.

 

 

 

 

 

 

 

&Rn

RTS Action.

 

 

Configure\Edit\

 

&R0

Standard RS232.

 

DTE Interface

 

 

 

 

&R1

Ignores RTS.

 

 

 

&R2

Simulated Control Carrier.

 

 

 

&R3

Control Carrier.

 

 

 

 

 

 

&Sn

DSR Control.

 

Configure\Edit\

 

&S0

Forced On.

 

DTE Interface

 

 

 

 

&S1

Standard RS232.

 

 

 

&S2

Wink When Disconnect.

 

 

 

&S3

Follows DTR.

 

 

 

&S4

On Early.

 

 

 

&S5

Delay to Data.

 

 

 

 

 

 

 

3920-A2-GN31-30

November 1996

5-11

Page 196
Image 196
Paradyne 392xPLUS operation manual M0, &Q0