COMSPHERE 3800 Series Modems

Table 14-1

(8 of 12)

3800 Series AT Commands

AT

 

 

Description

Front Panel

Command

 

 

Branch

 

 

 

 

 

 

&Mn

Async/Sync Mode and DTE Dialer Type

Configure\Edit\DTE

and &Qn

&M0, &Q0

Modem operates in Asynchronous mode and uses

Dialer

 

 

 

 

 

AT Command protocol.

 

 

&M1, &Q1

Modem operates in Synchronous mode and uses

 

 

 

 

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 and uses

 

 

 

 

AT Command protocol.

 

 

&Q4

 

Modem operates in Asynchronous mode and uses

 

 

 

 

AT Command protocol; Hayes AutoSync is enabled.

 

 

&M231, &Q231

Modem operates in Asynchronous mode; the DTE

 

 

 

 

Dialer Type is disabled.

 

 

&M232, &Q232

Modem operates in Asynchronous mode; V.25bis Async

 

 

 

 

dialing is enabled.

 

 

&M233, &Q233

Modem operates in Synchronous mode; V.25bis Bisync

 

 

 

 

dialing is enabled.

 

 

&M234, &Q234

Modem operates in Synchronous mode; V.25bis HDLC

 

 

 

 

dialing is enabled.

 

 

&M235, &Q235

Modem operates in Asynchronous mode; AT&T

 

 

 

 

Exclusive dialing is enabled.

 

 

&M236, &Q236

Modem operates in Synchronous mode; the DTE Dialer

 

 

 

 

Type is disabled.

 

 

The &M2, &Q2, &M231, &Q231, &M236, and &Q236 commands disable the

 

 

 

 

use of AT commands and force the modem into Dumb mode. The only way to

 

 

gain control of the modem is the front panel.

 

 

 

 

 

&Rn

RTS Action

 

Configure\Edit\DTE

 

&R0

Standard RS232.

Interface

 

 

 

&R1

Ignores RTS.

 

 

&R2

Simulated Control Carrier.

 

 

 

 

 

&Sn

DSR Control

 

Configure\Edit\DTE

 

&S0

Forced On.

 

Interface

 

 

 

 

&S1

Standard RS232.

 

 

&S2

Wink When Disconnect.

 

 

&S3

Follows DTR.

 

 

&S4

On Early.

 

 

 

&S5

Delay to DTE.

 

 

&S6

Dial Backup Toggle.

 

 

 

 

 

 

14-10

November 1996

3810-A2-GB30-20

Page 144
Image 144
Paradyne 3810 manual Async/Sync Mode and DTE Dialer Type, M0, &Q0, RTS Action, DSR Control