8
Selecting Configurations Using
AT Commands
When using AT commands, the following criteria must be met:
H
Make sure the asynchronous DTE’s communication software is configured for
10-bit character format (for example, 8 data bits, no parity, and 1 stop bit).
H
Make sure the DTE (RS-232D) cable is attached to the DTE connector at
the rear of the COMSPHERE 3000 Series Carrier, and to the correct serial
communications port on the asynchronous DTE.
H
On initial power-up, the modem is in Command mode. To verify that the modem is
connected and functioning properly:
TYPE:
AT
Press Enter. The screen displays OK.
NOTE:
If you have already changed the factory preset configuration you may have lost AT
command control. To regain AT command control, select, via the SDCP, the Async
Dial factory preset configuration
.
To change a factory template using AT commands, perform the following steps.
"
Procedure
1. Use the AT&F&W command to load the appropriate factory configuration to the
appropriate storage area. Enter the following:
TYPE:
AT &F
f
&W
n
(in all uppercase or all lowercase)
Where:
f
is one of the following Factory configurations:
0 for Async Dial
1 for Sync Dial
2 for Sync Leased (Answer)
3 for UNIX Dial
4 for Sync Leased (Originate)
5 for Cellular (Mobile) (valid only if ETC is installed)
6 for Cellular (PSTN) (valid only if ETC is installed)
and
Where:
n
is one of the following storage areas:
0 for Active (Saved)
1 for Customer 1
2 for Customer 2
2. Press Enter.
3. The selected factory configuration is saved. You can view the active configuration
with the &V command.
