User manual
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Appendix B
AT Commands
The following table lists the Netopia ISDN PC Card AT commands.
Commands marked with an asterisk (*) are configuration settings (static
parameters) that do not take effect until the Netopia ISDN PC Card is
restarted. The lowercase letters
c
,
n
,
s
, and
v
are variables that take
different types of values. Expanded explanations of the AT commands,
with default values and parameter ranges, may be found in the
README.TXT file on the Netopia ISDN PC Card Disk 1.
AT Command Description
+++ Escape Sequence
?? Last AT Command Result Explained
A/ Re-execute Previous Command (This command does not require a carriage return.)
AT!C1=n * Primary ISDN Switch Type
AT!C11=n * Alternate ISDN Switch Type
AT!C6=n * ISDN Primary SPID Number (applicable to North America only)
AT!C61=n * ISDN Alternate SPID Number (applicable to North America only)
AT!C7=n Primary SPID #2 (for Multilink PPP)
AT!C71=n Secondary SPID #2 (for Multilink PPP)
AT!E0=n V.120 N201 Tx (Maximum Transmit Frame Size)
AT!E1=n V.120 N201 Rx (Maximum Receive Frame Size)
AT!E2=c V.120 Multiframe Mode
AT!E3=n V.120 K Window Size
AT!E4=n V.120 T200 (Retransmission Timer)