COMSPHERE 3800 Series Modems
AT
Command
&Mn
Async/Sync Mode and DTE Dialer Type
and &Qn
&M0, &Q0
&M1, &Q1
&M2, &Q2
&M3, &Q3
&Q4
&M231, &Q231
&M232, &Q232
&M233, &Q233
&M234, &Q234
&M235, &Q235
&M236, &Q236
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
&R0 Standard RS232.
&R1 Ignores RTS.
&R2 Simulated Control Carrier.
&Sn
DSR Control
&S0 Forced On.
&S1
Standard RS232.
&S2
Wink When Disconnect.
&S3
Follows DTR.
&S4
On Early.
&S5
Delay to DTE.
&S6
Dial Backup Toggle.
14-10
Table 14-1
(8 of 12)
3800 Series AT Commands
Description
Modem operates in Asynchronous mode and uses
AT Command protocol.
Modem operates in Synchronous mode and uses
AT Command protocol.
Modem operates in Synchronous mode and dials telephone
number stored in directory location 1 when DTR signal turns
Off and then ON.
Modem operates in Synchronous mode and uses
AT Command protocol.
Modem operates in Asynchronous mode and uses
AT Command protocol; Hayes AutoSync is enabled.
Modem operates in Asynchronous mode; the DTE
Dialer Type is disabled.
Modem operates in Asynchronous mode; V.25bis Async
dialing is enabled.
Modem operates in Synchronous mode; V.25bis Bisync
dialing is enabled.
Modem operates in Synchronous mode; V.25bis HDLC
dialing is enabled.
Modem operates in Asynchronous mode; AT&T
Exclusive dialing is enabled.
Modem operates in Synchronous mode; the DTE Dialer
Type is disabled.
September 1998
Front Panel
Branch
Configure\Edit\DTE
Dialer
Configure\Edit\DTE
Interface
Configure\Edit\DTE
Interface
3810-A2-GB30-30