Changing The Parameter Settings
5-5
3
Type:
AT <command>
4
Press Enter or Return.
Refer to Table 5-1 for the appropriate command. For example,
to disable compression, type AT%C0, and then press [Enter]
or [Return].
An AT command line starts with the characters AT. The
command line accepts up to 40 command characters in the
line (not including the two AT characters, or spaces).
After completing its tasks, the 3C882 ISDN modem sends a
message to the screen followed by a result code. Refer to
Appendix B for a complete list of result codes.
5
To change another parameter setting, repeat steps 1
through 4. Otherwise, go on to Chapter 6, “Placing and
Receiving Calls.”
Table 5-1
Changing Default Settings
* To access the Configuration dialog box, the baud rate must be set to Autobaud.
Parameter
Default Value
To Change the Default
QuickSelect
Enabled
Send the command ATS71=1 to use Async-Sync
PPP exclusively or ATS71=2 to use V.120 exclusively.
DBA
Enabled
Send the command ATS70=0 to disable DBA.
Auto Answer
Disabled
Send the command ATS0=(number of rings before
the ISDN modem answers the call) to enable Auto
Answer.
Compression
Enabled
Send the command AT%C0 to disable compression.
Autobaud
Enabled
Send the command AT$B (rate) to set a specific
baud rate. Acceptable values are 1200, 2400, 4800,
9600, 19200, 38400, 57600, 115200, and 230400.
*
Send the command AT$B0 to return to Autobaud.
Autobaud does not exceed 115200. For 230400 you
must send AT $B230400 to the ISDN modem.
